Dell OpenManage Server Administrator Storage Management User's Guide Overview Getting Started Understanding RAID Concepts Quick Access to Storage Status and Tasks Storage Information and Global Tasks Controllers RAID Controller Batteries Connectors Enclosures and Backplanes Virtual Disks Physical Disks Protecting Your Virtual Disk with a Hot Spare Moving Physical and Virtual Disks from One System to Another CacheCade Using Solid State Drives BIOS Terminology Troubleshooting Frequently Asked Questions Suppo
Back to Contents Page Supported Features Dell OpenManage Server Administrator Storage Management User's Guide Supported Features on the PERC 4/SC, 4/DC, 4/Di, 4e/Si, 4e/Di, 4e/DC, and 4/IM Controllers Supported Features on the CERC SATA1.5/2s and CERC SATA1.
NOTE: For PERC 4 controllers, (Manual mode is not available). Start Patrol Read No No No No No No No Stop Patrol Read No No No No No No No Battery Tasks Table 1-2.
Create Virtual Disk Express Wizard Yes Yes Yes Yes Yes Yes No Rename Yes Yes Yes Yes Yes Yes Yes Blink/Unblink Yes Yes Yes Yes Yes Yes Yes Reconfigure Yes Yes Yes Yes Yes Yes No Change Policy Yes Yes Yes Yes Yes Yes No Split Mirror No No No No No No No Unmirror No No No No No No No Delete Last Virtual Disk Yes Yes Yes Yes Yes Yes No Delete (any) Virtual Disk Yes Yes Yes Yes Yes Yes No Check Consistency Yes Yes Yes Yes Yes Yes No
Table 1-7.
Controller Tasks Table 1-10. Controller Tasks Supported by the CERC SATA1.5/2s and CERC SATA1.5/6ch Controllers Controller Task Name CERC SATA 1.5/2s CERC SATA 1.
Initialize Yes Yes Rebuild Yes No Cancel Rebuild No No Remove Dead Disk Segments No Yes Format Disk No No Clear No No Cancel Clear No No Virtual Disk Tasks Table 1-14. Virtual Disk Tasks Supported by the CERC SATA1.5/2s and CERC SATA1.
Maximum Number of Physical Disks in a RAID 10 NA 32 Maximum Number of Physical Disks in a RAID 50 NA NA Minimum Number of Physical Disks that Can Be Concatenated 1 1 Minimum Number of Physical Disks in a RAID 0 1 1 Minimum Number of Physical Disks in a RAID 1 2 2 Minimum Number of Physical Disks in a RAID 5 NA 3 Minimum Number of Physical Disks in a RAID 10 NA 4 Minimum Number of Physical Disks in a RAID 50 NA NA Maximum number of physical disks in a RAID 6 NA NA Maximum number of
Supported Features on the PERC 5/E, PERC 5/i, PERC 6/E, PERC 6/I, PERC 6/I Modular, and CERC 6/I Controllers This section identifies the controller-supported features and whether or not an enclosure can be attached to the controller.
Patrol Read Report Yes Yes Yes Yes Yes Yes Check Consistency Report Yes Yes Yes Yes Yes Yes Slot Occupancy Report Yes Yes Yes Yes Yes Yes Battery Tasks Table 1-20.
Rename Yes Yes Yes Yes Yes Yes Blink/Unblink Yes Yes Yes Yes Yes Yes Reconfigure Yes Yes Yes Yes Yes Yes Change Policy Yes Yes Yes Yes Yes Yes Split Mirror No No No No No No Unmirror No No No No No No Delete Last Virtual Disk Yes Yes Yes Yes Yes Yes Delete (any) Virtual Disk Yes Yes Yes Yes Yes Yes Check Consistency Yes Yes Yes Yes Yes Yes Cancel Check Consistency Yes Yes Yes Yes Yes Yes Pause Check Consistency No No No No No No Re
Table 1-25.
l Enclosure Support For enclosure-supported tasks, see Enclosure and Backplane Features. Controller Tasks Table 1-28.
Connector Tasks Table 1-30. Connector Tasks Supported by the PERC H800, PERC H700 Adapter, PERC H700 Integrated, and PERC H700 Modular Controllers Connector Task Name PERC H800 PERC H700 Adapter PERC H700 Integrated PERC H700 Modular Connector Rescan No No No No Physical Disk Tasks Table 1-31.
Initialize Virtual Disk No No No No Fast Initialize Virtual Disk Yes Yes Yes Yes Slow Initialize Virtual Disk Yes Yes Yes Yes Cancel Initialize Virtual Disk Yes Yes Yes Yes Replace Member Yes Yes Yes Yes Encrypt Virtual Disk Yes Yes Yes Yes Clear Virtual Disk Bad Blocks Yes Yes Yes Yes Virtual Disk Specifications Table 1-33.
Table 1-35.
Set Rebuild Rate No No No Set Background Initialization Rate No No No Set Check Consistency Rate No No No Set Reconstruct Rate No No No Rescan Controller No No No Create Virtual Disk No Yes Yes Export Log File No No No Clear Foreign Configuration Yes Yes Yes Import Foreign Configuration No Yes Yes Import/Recover Foreign Configuration No Yes Yes Set Patrol Read Mode No No No Start Patrol Read No No No Stop Patrol Read No No No Patrol Read Report No No No
Cancel Rebuild No No No Remove Dead Disk Segments No No No Format Disk No No No Clear No No No Cancel Clear No No No Virtual Disk Tasks Table 1-41.
Maximum Number of Spans per Virtual Disk 1 1 1 Maximum Number of Physical Disks per Span 4 10 10 Minimum Stripe Size 64k 64k 64k Maximum Stripe Size 64k 64k 64k Maximum Number of Virtual Disks per Disk Group 1 1 1 Maximum Number of Physical Disks that Can Be Concatenated NA NA NA Maximum Number of Physical Disks in a RAID 0 4 8 10 - Adapter 10 - Integrated 4 - Modular Maximum Physical Disks in a RAID 1 2 2 2 Maximum Number of Physical Disks in a RAID 5 NA NA NA Maximum Nu
Supported Features on the PERC S100 and S300 Controllers This section identifies the controller-supported features and whether or not an enclosure can be attached to the controller. l Controller Tasks l Physical Disk Tasks l Virtual Disk Tasks l Virtual Disk Specifications l Supported RAID Levels l Read, Write, Cache and Disk Cache Policy l Enclosure Support Controller Tasks Table 1-46.
Minimum Virtual Disk Size 100MB 100MB Maximum Virtual Disk Size None None Maximum Number of Spans per Virtual Disk NA NA Maximum Number of Physical Disks per Span NA NA Minimum Stripe Size 64k 64k Maximum Stripe Size 64k 64k Maximum Number of Virtual Disks per Physical Disk 8 8 Maximum Number of Physical Disks that Can Be Concatenated NA NA Maximum Number of Physical Disks in a RAID 0 8 8 Maximum Physical Disks in a RAID 1 2 2 Maximum Number of Physical Disks in a RAID 5 8 8
Enclosure Support PERC S100 PERC S300 Can an enclosure be attached to this controller? No No Supported Features on the Non-RAID Controllers This section identifies the controller-supported features and whether or not an enclosure can be attached to the controller. l Controller Tasks l Battery Tasks l Connector Tasks l Physical Disk Tasks l Virtual Disk Tasks l Enclosure Support For enclosure-supported tasks, see Enclosure and Backplane Features.
Connector Task Name Non-RAID SCSI Non-RAID SAS Connector Rescan No No Physical Disk Tasks Table 1-56.
Enclosure Support Table 1-58. Enclosure Support on the Non-RAID Controllers Enclosure Support Non-RAID SCSI Non-RAID SAS Can an enclosure be attached to this controller? Yes No Enclosure and Backplane Features This section identifies the features supported by the enclosure or backplane.
Shutdown and 21xS and 221S Storage MD1120 Storage MD1220 Smart Thermal Shutdown No Yes No No No No Table 1-62. Backplane Support for Smart Thermal Shutdown Smart Thermal Shutdown SCSI SAS Smart Thermal Shutdown No No Maximum Supported Configuration Table 1-63.
Back to Contents Page Determining the Health Status for Storage Components Dell OpenManage Server Administrator Storage Management User's Guide Health Status Rollup: Battery is Charging or Dead Health Status Rollup: Physical Disks in a Virtual Disk are Failed or Removed Health Status Rollup: Physical Disks in a Virtual Disk are Unsupported, Partially or Permanently Degraded Health Status Rollup: All Physical Disks in a Virtual Disk are in Foreign State Health Status Rollup: Some Physical Disks
Storage Subsystem Controller Battery Connector Physical Disk(s) Firmware/ Virtual Disk(s) Driver Component Status Health Rollup Health Status Rollup: All Physical Disks in a Virtual Disk are in Foreign State Table B-4.
Health Rollup Health Status Rollup: Unsupported Firmware Version Table B-8. Health Status Rollup: Unsupported Firmware Version (Enclosures Not Included) Storage Subsystem Controller Battery Connector Physical Disk(s) Firmware/Driver Virtual Disk(s) Component Status Health Rollup Health Status Rollup: Enclosure Power Supply Failed or Power Connection Removed Table B-9.
Storage Subsystem Controller Connector Enclosure Enclosure Temperature Probe Virtual Disks Physical Disks Component Status Health Rollup NA Health Status Rollup: Lost Both Power Connections to the Enclosure Table B-13.
Back to Contents Page Physical Disks Dell OpenManage Server Administrator Storage Management User's Guide Guidelines to Replace a Physical Disk Initialize Add a New Disk to Your System Rebuild How to Avoid Removing the Wrong Disk Cancel Rebuild Replacing a Physical Disk Receiving SMART Alerts Assign and Unassign Global Hot Spare Other Disk Procedures Online and Offline Physical Disk Properties and Tasks Clear Physical Disk and Cancel Clear Blink and Unblink (Physical
l If you want to include the new disk in a virtual disk, see Virtual Disk Considerations for PERC 4/SC, 4/DC, 4e/DC, 4/Di, 4e/Si, 4e/Di, PERC 5/E, PERC 5/i, PERC 6/E, and PERC 6/I Controllers or Virtual Disk Considerations for CERC SATA1.5/6ch, and CERC SATA1.5/2s Controllers. How to Avoid Removing the Wrong Disk You can avoid removing the wrong disk by blinking the LED display on the disk that you want to remove.
Physical Disk Properties and Tasks Use this window to view information about physical disks and execute physical disk tasks. Physical Disk Properties The following table describes properties that may be displayed for physical disks depending on the controller. Table 11-1. Physical Disk Properties Property Definition Status These icons represent the severity or health of the storage component.
Foreign—The physical disk has been moved from another controller and contains all or some portion of a virtual disk (foreign configuration). A physical disk that has lost communication with the controller due to a power loss, faulty cable or other failure event may also display the Foreign state. See Foreign Configuration Operations for more information. Unsupported—The physical disk is using an unsupported technology or it may not be certified by Dell.
Manufacture Day This property displays the day of the month during which the physical disk was manufactured. Manufacture Week This property displays the week of the year during which the physical disk was manufactured. Manufacture Year This property displays the year that the physical disk was manufactured. SAS Address This property displays the SAS address of the physical disk. The SAS address is unique to each SAS disk. Physical Disk Tasks To execute a physical disk task: 1.
Remove Dead Segments Does my controller support this feature? See Supported Features. The Remove Dead Segments task recovers disk space that is currently unusable. A dead or orphaned disk segment refers to an area of a physical disk that is unusable for any of the following reasons: l The dead segment is an area of the physical disk that is damaged. l The dead segment is included in a virtual disk, but the virtual disk is no longer using this area of the physical disk.
Does my controller support this feature? See Supported Features. Use the Cancel Rebuild task to cancel a rebuild that is in progress. If you cancel a rebuild, the virtual disk remains in a degraded state. The failure of an additional physical disk can cause the virtual disk to fail and may result in data loss. It is recommended that you rebuild the failed physical disk as soon as possible.
1. Expand the Storage tree object to display the controller objects. 2. Expand a controller object. 3. Expand a Connector object. 4. Expand the enclosure or Backplane object. 5. Select the Physical Disks object. 6. Select Online or Offline from the Available Tasks drop-down menu of the physical disk you want to make online or offline. 7. Click Execute. Clear Physical Disk and Cancel Clear Does my controller support this feature? See Supported Features.
NOTE: To use the Revertible Hot Spare task, you should have assigned a hot spare to the virtual disk. NOTE: If the disk is not SMART-enabled or if the Auto Replace on Predictive Failure option is disabled, the failed disk is not replaced automatically. To enable Revertible Hot Spare: 1. On the Change Controller Properties page, enable Revertible Hot Spare and Auto replace on predictive failure. 2. Click Apply Changes. To locate this task in Storage Management: 1.
Back to Contents Page RAID Controller Batteries Dell OpenManage Server Administrator Storage Management User's Guide Battery Properties and Tasks Some RAID controllers have batteries. If the controller has a battery, Storage Management displays the battery under the controller object in the tree view. In the event of a power outage, the controller battery preserves data that is in the nonvolatile cache memory (NVRAM) but not yet written to disk.
State This property displays the current status of the battery. Possible values are: Ready—The battery is functioning normally. Degraded—The battery needs to be reconditioned. Reconditioning—The battery is being reconditioned. For more information, see Recondition Battery. Charging—The battery is undergoing the recharge phase of the battery learn cycle. For more information, see Start Learn Cycle. Learning—The battery is undergoing the discharge phase of the battery learn cycle.
Drop-down Menu Battery Tasks: l Recondition Battery l Start Learn Cycle l Battery Delay Learn Cycle Recondition Battery Does my controller support this feature? See Supported Features. Some controllers have NiMHi batteries which need to be reconditioned approximately every six months to maintain reliability. This reconditioning cycle requires a full discharge and recharge of the battery.
Battery Delay Learn Cycle Does my controller support this feature? See Supported Features. The controller firmware automatically initiates the battery learn cycle every 90 days. Although you cannot stop the firmware from running the Learn cycle, you can delay the start time of the learn cycle for up to seven days. For more information on the battery learn cycle, see Start Learn Cycle. To delay the battery learn cycle: 1. Type a numerical value in the Days text box.
Back to Contents Page BIOS Terminology Dell OpenManage Server Administrator Storage Management User's Guide BIOS Terms and the PERC 4/SC, 4/DC, 4e/DC, and 4/Di Controllers BIOS Terms and the CERC SATA1.5/6ch and CERC SATA1.5/2s Controllers The terminology used by Storage Management can be different from the terminology used in the controller BIOS. The following sections show some of these differences. BIOS Terms and the PERC 4/SC, 4/DC, 4e/DC, and 4/Di Controllers Table 15-1.
Back to Contents Page Connectors Dell OpenManage Server Administrator Storage Management User's Guide Channel Redundancy and Thermal Shutdown Channel Redundancy on PERC 4/DC, 4e/DC, 4/Di, and 4e/Di Controllers Creating a Channel-redundant Virtual Disk Connector Health Connector Properties and Tasks Logical Connector Properties and Tasks A controller contains one or more connectors (channels or ports) to which you can attach disks.
l Complete Create Virtual Disk Advanced Wizard (Step 2 of 4). In this step, you select the channels and the disks to be used by the virtual disk. The selections you make determine whether or not the virtual disk is channel- redundant. There are specific RAID level and configuration requirements for implementing channel redundancy. You must select the same number of physical disks on each channel that you use.
l Enclosures and Backplanes Connector Properties and Tasks Use this window to view information about the connector and execute connector tasks. Connector Properties The connector properties can vary depending on the model of the controller. Connector properties may include: Table 8-2. Connector Properties Property Definition These icons represent the severity or health of the storage component. For more information, see Storage Component Severity.
6. Click Execute. Connector Components For information on attached components, see the following topic: l Enclosure and Backplane Properties and Tasks Logical Connector Properties and Tasks Use this window to view information about the logical connector (connector in redundant path mode) and to execute connector tasks. Logical Connector Properties The connector properties can vary depending on the model of the controller. Connector properties may include: Table 8-3.
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Back to Contents Page Controllers Dell OpenManage Server Administrator Storage Management User's Guide What is a Controller? RAID Controller Technology: SCSI, SATA, ATA, and SAS RAID Controller Features Controller-supported RAID Levels Controller-supported Stripe Sizes RAID Controller Read, Write, Cache, and Disk Cache Policy Cluster-enabled RAID Controllers Creating and Deleting Virtual Disks on Cluster-enabled Controllers Integrated Mirroring and the PERC 4/IM Controller Background
SAS RAID Controllers The following RAID controllers use Serial Attached SCSI (SAS) technology. l PERC 5/E l PERC 5/i Integrated l PERC 5/i Adapter l SAS 5/iR Integrated l SAS 5/iR Adapter l PERC 6/E l PERC 6/I controller family l SAS 6/iR controller family l PERC S100 and S300 controllers l PERC H200, H700, and H800 controllers RAID Controller Features Different controllers have different features.
Read Policy Does my controller support this feature? See Supported Features The read policies indicate whether or not the controller should read sequential sectors of the virtual disk when seeking data. l Read-Ahead—When using read-ahead policy, the controller reads sequential sectors of the virtual disk when seeking data. Read-ahead policy may improve system performance if the data is actually written to sequential sectors of the virtual disk.
l Direct I/O—Specifies that reads are not buffered in cache memory. When using direct I/O, data is transferred to the controller cache and the host system simultaneously during a read request. If a subsequent read request requires data from the same data block, it can be read directly from the controller cache. The direct I/O setting does not override the cache policy settings. Direct I/O is also the default setting. NOTE: Cache policy is not supported on any controller that does not have a battery.
NOTE: When creating a virtual disk on a controller that is in a cluster configuration, you must specify the maximum virtual disk size. 1. Stop the clustering services on system B. 2. Turn off system B. 3. Create or delete the virtual disk on system A. For more information on creating and deleting virtual disks, see: ¡ Considerations Before Creating Virtual Disks ¡ Creating Virtual Disks ¡ Virtual Disk Task: Delete 4. Reboot system A. 5. Restart system B.
Firmware/Driver Versions Use this window to view information about the controller firmware and drivers. For more information on firmware and drivers, see Before Installing Storage Management. Firmware/Driver Properties The firmware and driver properties can vary depending on the model of the controller. On some controllers, Storage Management may not be able to obtain the driver or firmware version. In this case, Storage Management displays Not Applicable.
For information on the controller, see the following topics: l Controllers l Controller Properties and Tasks Controller Components For information on attached components, see the following topics: l RAID Controller Batteries l Firmware/Driver Versions l Connectors NOTE: If you have connected the enclosure in Redundant path mode, the connectors are represented as Logical Connector.
NOTE: On some controllers, Storage Management may not be able to obtain the driver version. In this case, Storage Management displays Not Applicable. Minimum Required Driver Version This property displays the minimum driver version that is required by Storage Management. This property is only displayed if the controller driver does not meet the minimum requirement. The firmware and drivers listed in the Readme file refer to the minimum supported version for these controllers.
NOTE: Any drive in the slot functions as a hot spare. If the drive contains foreign data, it is overwritten. Disabled: The slot corresponding to the hot spare drive is not persistent. If the drive is removed from the slot and any drive is inserted, the slot stops function as a hot spare. You need to manually assign the drive as a hot spare again. Controller Tasks Enables you to configure and manage the controller. For more information, see Controller Tasks:.
3. Select the Information/Configuration subtab. 4. Select a report from the Select Report drop-down menu. 5. Click Execute. Available Reports l Patrol Read Report l Check Consistency Report l Slot Occupancy Report Rescan Controller Does my controller support this feature? See Supported Features. On SCSI controllers, a rescan updates configuration changes (such as new or removed devices) for all components attached to the controller.
Quiet Alarm (Controller) Does my controller support this feature? See Supported Features. Use the Quiet Alarm task to quiet the controller's alarm when it is sounding. After it is quieted, the alarm is still enabled in the event of a future device failure. Test Alarm (Controller) Does my controller support this feature? See Supported Features. Use the Test Alarm task to test whether the controller alarm is functional. The alarm sounds for about 2 seconds.
Does my controller support this feature? See Supported Features. The Set Rebuild Rate task changes the controller's rebuild rate. During a rebuild, the complete contents of a physical disk are reconstructed. The rebuild rate, configurable between 0% and 100%, represents the percentage of the system resources dedicated to rebuilding failed physical disks.
To locate this task in Storage Management: 1. Expand the Storage tree object to display the controller objects. 2. Select a controller object. 3. Select the Information/Configuration subtab. 4. Select Reset Configuration from the Available Tasks drop-down menu. 5. Click Execute. You can also locate this task from the Change Controller Properties drop down menu. For more information, see Change Controller Properties.
l If any foreign configurations locked using Local Key manager (LKM) are detected, the associated Encryption Key Identifier is displayed prompting you to enter the corresponding Passphrase to unlock the drives. To avoid unlocking foreign configurations and to proceed to preview/import/clear a foreign configuration that has not been locked, click Skip or Continue.
To locate this task in Storage Management For SAS controllers with firmware version 6.1: 1. Expand the Storage tree object to display the controller objects. 2. Select a controller object. 3. Select the Information/Configuration subtab. 4. Select Foreign Configuration Operations from the Controller Available Tasks drop-down menu. 5. Click Execute.
5. Click Execute. 6. On the Foreign Configuration Preview page, click Import/Recover. For controllers with firmware version 6.0 and earlier: 1. Expand the Storage tree object to display the controller objects. 2. Select a controller object. 3. Select the Information/Configuration subtab. 4. Select Import/Recover Foreign Configuration from the Controller tasks. Clear Foreign Configuration Does my controller support this feature? See Supported Features.
Table 6-5. Physical Disk Properties Property Definition Status These icons represent the severity or health of the storage component. Normal/OK Warning/Non-critical Critical/Fatal For more information, see Storage Component Severity. Name This property displays the name of the physical disk. The name is comprised of the connector number followed by the disk number. Current State This property displays the current state of the physical disk.
In certain circumstances, the Used RAID Disk Space displays a value of zero (0) even though a portion of the physical disk is actually being used. This occurs when the used space is 0.005 GB or less. The algorithm for calculating the used disk space rounds off a figure of 0.005 GB or less to 0. Used disk space that is between 0.006 GB and 0.009 GB is rounded off to 0.01 GB. Available RAID Disk Space This property displays the amount of available space on the disk.
Set Check Consistency Rate Does my controller support this feature? See Supported Features. The Set Check Consistency Rate task changes the amount of system resources dedicated to the check consistency task. See Check Consistency for more information about the check consistency task. The check consistency rate, configurable between 0% and 100%, represents the percentage of the system resources dedicated to running the check consistency task.
1. Expand the Storage tree object to display the controller objects. 2. Select a controller object. 3. Select the Information/Configuration subtab. 4. Select Set Reconstruct Rate from the Available Tasks drop-down menu. 5. Click Execute. You can also locate this task from the Change Controller Properties drop down menu. For more information, see Change Controller Properties.
Disconnected Available However, if the communication channel between any two enclosures is lost, the redundant path configuration is degraded and the health of the logical connector is displayed as degraded. For a brief outline of this scenario, see Table 6-7. Table 6-7.
To set the Patrol Read mode: Click the radio button for the Patrol Read mode setting that you want to select: The possible settings are: l Auto—Setting the mode to Auto initiates the Patrol Read task. When the task is complete, it automatically runs again within a specified period of time. For example, on some controllers the Patrol Read runs every four hours and on other controllers, the Patrol Read runs every seven days.
Related Information: l Set Patrol Read Mode Change Controller Properties Does my controller support this feature? See Supported Features. The Change Controller Properties task provides you the option to change multiple controller properties simultaneously. This task is available only on SAS controllers with firmware version 6.1 and later.
Manage Physical Disk Power Does my controller support this feature? See Supported Features. The Manage Physical Disk Power task allows you to manage the power consumed by the physical disks by spinning down the hot spares and unconfigured disks. This option is provided only with PERC H700 and PERC H800 controllers with the firmware version 7.1 and above. The following table displays the properties in the Manage Physical Disk Power option: Table 6-8.
NOTE: To configure encryption, you do not require an SED. However, to create a secure virtual disk, you require an SED. The encryption settings are then used to configure the virtual disk and the SED. On an encryption-capable controller, the Manage Encryption Key task allows you to enable encryption in LKM mode. If you enable LKM, you can create an Encryption Key on an encryption-capable controller and save it locally. You can also change or delete the Encryption Key.
A Passphrase must contain at least one numeral, one lowercase alphabet, one uppercase alphabet, and one non-alphanumeric character (except space.) NOTE: Server Administrator Storage Management provides a suggested Passphrase below the Passphrase text box. 4. If you want to save the Encryption Key credentials in a file on the system where Distributed Web Server is running, select the Escrow check box. You can use this file for future reference. The Path field is displayed.
1. Click Storage to view the dash board. 2. Select View Check Consistency Report from the Select Report drop- down menu. 3. Click Execute. Slot Occupancy Report Does my controller support this feature? See Supported Features. The View Slot Occupancy Report task allows you to view empty and occupied slot details of all enclosures and back planes. It provides a diagram that represents the occupancy of physical drive slots.
Back to Contents Page CacheCade Using Solid State Drives Dell OpenManage Server Administrator Storage Management User's Guide Manage CacheCade CacheCade is used to improve random read performance of the Hard Disk Drive (HDD) based Virtual Disks. A solid-state drive (SSD) is a data storage device that uses solid-state memory to store persistent data. SSDs significantly increase the I/O performance (IOPS) and/or write speed in Mbps from a storage device.
NOTE: The procedure of selecting physical disks while creating a CacheCade is similar to the selection of disks while creating a virtual disk. For more information, see "Create Virtual Disk Advanced Wizard (Step 2 of 4)". Resizing the CacheCade To resize the CacheCade: 1. In the CacheCade(s) screen, go to the CacheCade that you want to resize and select Resize ... from the Tasks drop-down menu. The Resize CacheCade(s) screen is displayed. 2.
Name This property displays the name of the CacheCade. The link enables you to access the physical disks that constitute the CacheCade. Tasks This drop-down list provides the available tasks for the CacheCade. Size This property provides the size of the CacheCade. Bus Protocol This property displays the technology that the physical disk is using. Possible values are SAS and SATA.
Back to Contents Page Enclosures and Backplanes Dell OpenManage Server Administrator Storage Management User's Guide Backplanes Set Asset Data Enclosures Set Temperature Probe Values SMART Thermal Shutdown View Slot Occupancy Report Changing the Mode on PowerVault 220S and PowerVault 221S Enclosures EMM Properties Enclosure Management Fan Properties Enclosure and Backplane Health Power Supply Properties Enclosure and Backplane Properties and Tasks Temperature Prob
Enclosure Power Supplies The enclosure's power supplies are displayed under the Power Supplies object in the tree view. You can select the Power Supplies object to display their status information. Enclosure Temperature Probes The enclosure's temperature probes are displayed under the Temperatures object. You can select the Temperatures object to display their status information.
Changing the Mode on PowerVault 220S and PowerVault 221S Enclosures When toggling the bus configuration switch on a PowerVault 220S or PowerVault 221S enclosure, the enclosure should be powered off. The bus configuration switch is used to change the enclosure to split bus, joined bus, or clustered mode. If you change the PowerVault 220S or PowerVault 221S enclosure mode with the enclosure powered on, the enclosure may no longer be displayed by Storage Management and you may notice other erratic behaviors.
l Physical Disks Enclosure and Backplane Properties and Tasks Use this window to view information about the enclosure or backplane and execute enclosure tasks. Enclosure and Backplane Properties The enclosure or backplane properties can vary depending on the model of the controller. Enclosure or backplane properties may include: Table 9-2. Enclosure and Backplane Properties Property Definition These icons represent the severity or health of the storage component.
Enclosure Part Number This property displays the part number of the enclosure. Enclosure Alarm This property displays whether the enclosure's alarm is enabled or disabled. Enclosure Tasks To execute a drop-down menu enclosure task: 1. Expand the Storage tree object to display the controller objects. 2. Expand a controller object. 3. Expand a Connector object. 4. Select the enclosure object. 5. Select the Information/Configuration subtab. 6.
l The enclosure temperature has exceeded the warning threshold. l A power supply, fan, or enclosure management module (EMM) has failed. l The split bus is not installed. (A split bus is indicated by a single triangle symbol on the back of the enclosure.) Disable Alarm (Enclosure) Does my enclosure support this feature? See Supported Features. Use the Disable Alarm task to disable the enclosure alarm.
Checking the Enclosure's Temperature Does my controller support this feature? See Supported Features. To check the enclosure's temperature: 1. Expand the tree view until the Temperatures object is displayed. 2. Select the Temperatures object. The temperature reported by the temperature probe is displayed in Celsius in the Reading column in the right pane.
3. Click Apply Changes. To exit and cancel your changes, click Go Back To Enclosure Information Page. To locate this task in Storage Management: 1. Expand the Storage tree object to display the controller objects. 2. Expand a controller object. 3. Expand a Connector object. 4. Select the enclosure object. 5. Select the Information/Configuration subtab. 6. Select Set Asset Data from the Available Tasks drop-down menu. 7. Click Execute.
View Slot Occupancy Report Does my controller support this feature? See Supported Features. The View Occupancy Slot Report task allows you to view empty and occupied slot details of the selected enclosure. It provides a diagram that represents the occupancy of physical drive slots. Move the mouse over each slot to view details, such as physical disk ID, state, and size. To locate this task in Storage Management: 1. Expand the Storage tree object to display the controller objects. 2.
SCSI Rate This property displays the maximum SCSI speed that the EMM in a SCSI enclosure supports. Fan Properties Use this window to view information about the enclosure's fans. The fans are a component of the enclosure's cooling module. The following table describes the fan properties. Table 9-4. Fan Properties Property Definition Status These icons represent the severity or health of the storage component.
Degraded—The power supply has encountered a failure and is operating in a degraded state. Failed—The power supply has encountered a failure and is no longer functioning. Storage Management may also be unable to communicate with the enclosure using SES commands. The Failed state is displayed when the enclosure does not respond to a status query from Storage Management for any reason. For example, disconnecting the cable would cause this state to be displayed.
2. Expand a controller object. 3. Expand a Connector object. 4. Expand the enclosure object. 5. Select the Temperatures object. 6. Click Set Temperature Probe.
Back to Contents Page Frequently Asked Questions Dell OpenManage Server Administrator Storage Management User's Guide Why is a Rebuild not Working? How Can I Safely Remove or Replace a Physical Disk? How do I Recover from Removing the Wrong Physical Disk? How do I Identify the Firmware Version that is installed? Which Controllers do I Have? How do I Turn off an Alarm? Which RAID level is Best for me? This section provides frequently asked questions that address situations commonly experienc
Which Controllers do I Have? Each controller attached to the system is displayed under the Storage object in the tree view. In addition, the Storage object's Health and Information/Configuration subtabs display information for each controller. To identify which controllers are attached to the system: 1. Select the Storage tree view object. The Health subtab displays the name and status for each controller attached to the system. 2.
Back to Contents Page Getting Started Dell OpenManage Server Administrator Storage Management User's Guide Launching Storage Management User Privileges Using the Graphical User Interface Using the Storage Management Command Line Interface Displaying the Online Help Common Storage Tasks Dell OpenManage Server Administrator Storage Management is designed for system administrators who implement hardware RAID solutions and understand corporate and small business storage environments.
User and Power User privileges allow you to view storage status, but not manage or configure storage. With User and Power User privileges, you can use the omreport storage command and not the omconfig storage command. For more information on user groups and other Server Administrator security features, see the Dell OpenManage Server Administrator User's Guide.
Availability and Performance, and Choosing RAID Levels and Concatenation. l Assign a hot spare to the virtual disk—When a virtual disk uses a redundant RAID level, then you can assign a hot spare (backup physical disk) to rebuild data if a physical disk in the virtual disk fails. For more information, see: l Perform a Check Consistency—The Maintain Integrity of Redundant Virtual Disks task verifies the accuracy of a virtual disk's redundant data.
Back to Contents Page Protecting Your Virtual Disk with a Hot Spare Dell OpenManage Server Administrator Storage Management User's Guide Understanding Hot Spares Setting Hot Spare Protection Policy Considerations for Hot Spares on PERC 4/SC, 4/DC, 4e/DC, 4/Di, 4e/Si, 4e/Di, PERC 5/E, PERC 5/i, PERC 6/E, PERC 6/I, and CERC 6/I Controllers Considerations for Hot Spares on CERC SATA1.
Property Definition Enable Global Hot Spare Enables the Global Hot Spare Protection Policy. Minimum Number of Disks Displays the minimum number of physical disks to be assigned as global hot spares for the controller. Severity Level Displays the severity level that you must assign to the generated alert, if the Global Hot Spare policy is violated.
l Considerations for RAID 10, RAID 50, and RAID 60—If you have created a RAID 10 or RAID 50 virtual disk that does not fully consume its member physical disks, then you cannot assign a dedicated hot spare to the RAID 10 or RAID 50 virtual disk. Storage Management does not allow you to create RAID 10 and RAID 50 virtual disks from partial physical disks. You therefore do not encounter this situation if you use Storage Management to create your virtual disks.
To ensure that the controller firmware always has a healthy physical disk as a global hot spare, do the following: l When removing a physical disk that is assigned as a global hot spare, unassign the hot spare before removal and reassign another physical disk as the global hot spare. l Immediately replace any physical disk that has failed or been removed. This ensures that a healthy disk resides in a slot that the controller firmware assumes is a hot spare.
Back to Contents Page Moving Physical and Virtual Disks from One System to Another Dell OpenManage Server Administrator Storage Management User's Guide Required Conditions Migrating SCSI Virtual Disks to Another System Migrating SAS Virtual Disks to Another System This section describes how to move physical and virtual disks from one system to another.
Moving the Disks 1. 2. Turn off the system that the physical disks are being moved from. If the receiving controller has a preexisting virtual disk configuration on attached physical disks, use the following procedure for clearing the configuration: ¡ Turn off the receiving server. ¡ Remove all the physical disks from the controller. ¡ Start up the receiving server and clear the configuration from the controller BIOS.
Back to Contents Page Overview Dell OpenManage Server Administrator Storage Management User's Guide What's New in this Release? Before Installing Storage Management Supported Controllers Supported Enclosures Support for Disk and Volume Management Support for Encryption Key Management Dell OpenManage Server Administrator Storage Management provides enhanced features for configuring a system's locally-attached RAID and non-RAID disk storage.
NOTE: It is recommended that you uninstall FAST before installing Storage Management. Uninstalling FAST on a system that has both FAST and Storage Management installed also uninstalls the Adaptec filter driver. In this situation, you must reinstall Storage Management to restore the Adaptec filter driver. To prevent this, verify that FAST is uninstalled before installing Storage Management.
l PERC H800 Adapter, PERC H700 Adapter, PERC H700 Integrated, and PERC H700 Modular NOTE: Integrated mirroring on the PERC 4/IM controller enables you to mirror a physical disk that resides internally in the server. You can implement the integrated mirror using the PERC 4/IM BIOS. When implemented, Storage Management recognizes the integrated mirror as a virtual disk. You cannot, however, use Storage Management to create a virtual disk on the PERC 4/IM controller.
Back to Contents Page Quick Access to Storage Status and Tasks Dell OpenManage Server Administrator Storage Management User's Guide Storage Dashboard and Storage Health Monitoring Disk Reliability on RAID Controllers Storage Health Using Alarms to Detect Failures Hot Spare Protection Policy Using Enclosure Temperature Probes Select Report Rescan to Update Storage Configuration Changes Storage Component Severity Time Delay in Displaying Configuration Changes Storage Propert
Normal/OK—The component is working as expected. Warning/Non-critical—A probe or other monitoring device has detected a reading for the component that is above or below the acceptable level. The component may still be functioning, but it could fail. The component may also be functioning in an impaired state. Data loss is possible. Critical/Failure/Error—The component has either failed or failure is imminent. The component requires immediate attention and may need to be replaced.
Physical disk enclosures have temperature probes that warn you when the enclosure has exceeded an acceptable temperature range.
Back to Contents Page Storage Information and Global Tasks Dell OpenManage Server Administrator Storage Management User's Guide Storage Properties Global Tasks Storage Controllers Use this window to view high-level information about your system's storage. This window also enables you to launch global tasks that affect all controllers attached to the system. Storage Properties The Storage tree-view object has the following properties. Table 5-1.
4. Click Execute. Enable/Disable Smart Thermal Shutdown By default, the operating system and server are turned off when the PowerVault 220S and PowerVault 221S enclosures reach a critical temperature of 0 or 50 degrees Celsius. Using the Enable Smart Thermal Shutdown task, however, you can specify that only the enclosure, and not the operating system and server be turned off when the enclosure reaches a critical temperature.
Controllers in a cluster configuration should not have duplicate SCSI Initiator IDs. Refer to SCSI documentation for a list of acceptable SCSI Initiator ID values. On some controllers, this property is not available. In this case, this property displays as Not Applicable.
Back to Contents Page Understanding RAID Concepts Dell OpenManage Server Administrator Storage Management User's Guide What Is RAID? Organizing Data Storage for Availability and Performance Choosing RAID Levels and Concatenation Comparing RAID Level and Concatenation Performance No-RAID Storage Management uses Redundant Array of Independent Disks (RAID) technology to provide Storage Management capability.
RAID provides different methods or RAID levels for organizing the disk storage. Some RAID levels maintain redundant data so that you can restore data after a disk failure. Different RAID levels may also entail an increase or decrease in the system's I/O (read and write) performance. Maintaining redundant data requires the use of additional physical disks. As more disks become involved, the likelihood of a disk failure increases.
l Concatenates n disks as one large virtual disk with a capacity of n disks. l Data fills up the first disk before it is written to the second disk. l No redundancy data is kept. When a disk fails, the large virtual disk fails. l No performance gain. l No redundancy.
Related Information: l Organizing Data Storage for Availability and Performance l Comparing RAID Level and Concatenation Performance l Controller-supported RAID Levels l Number of Physical Disks per Virtual Disk l Maximum Number of Virtual Disks per Controller RAID Level 1 (Mirroring) RAID 1 is the simplest form of maintaining redundant data. In RAID 1, data is mirrored or duplicated on one or more physical disks.
RAID 5 Characteristics: l Groups n disks as one large virtual disk with a capacity of (n-1) disks. l Redundant information (parity) is alternately stored on all disks. l When a disk fails, the virtual disk still works, but it is operating in a degraded state. The data is reconstructed from the surviving disks. l Better read performance, but slower write performance. l Redundancy for protection of data.
RAID 6 Characteristics: l Groups n disks as one large virtual disk with a capacity of (n-2) disks. l Redundant information (parity) is alternately stored on all disks. l The virtual disk remains functional with up to two disk failures. The data is reconstructed from the surviving disks. l Better read performance, but slower write performance. l Increased redundancy for protection of data. l Two disks per span are required for parity. RAID 6 is more expensive in terms of disk space.
l Requires as much parity information as standard RAID 5. l Data is striped across all spans. RAID 50 is more expensive in terms of disk space. NOTE: On the PERC 4/SC, 4/DC, 4e/DC, 4/Di, 4e/Si, and 4e/Di controllers, there are special considerations when implementing RAID 50 on a disk group that has disks of different sizes. For more information, see Considerations for RAID 10 and 50 on PERC 4/SC, 4/DC, 4e/DC, 4/Di, 4e/Si, and 4e/Di.
RAID Level 10 (Striping over mirror sets) The RAB considers RAID Level 10 to be an implementation of RAID level 1. RAID 10 combines mirrored physical disks (RAID 1) with data striping (RAID 0). With RAID 10, data is striped across multiple physical disks. The striped disk group is then mirrored onto another set of physical disks. RAID 10 can be considered a mirror of stripes. Figure 3-8.
Related Information: l Organizing Data Storage for Availability and Performance l Comparing RAID Level and Concatenation Performance l Controller-supported RAID Levels l Number of Physical Disks per Virtual Disk l Maximum Number of Virtual Disks per Controller Considerations for RAID 10 and 50 on PERC 4/SC, 4/DC, 4e/DC, 4/Di, 4e/Si, and 4e/Di On the PERC 4/SC, 4/DC, 4e/DC, 4/Di, 4e/Si, and 4e/Di controllers, there are special considerations when implementing RAID 10 or RAID 50 on a disk
good disks) uses. RAID 60 Excellent Very Good Fair Poor X x (N + 2) (N = at least 2) Critical information. Medium-sized transactional or data-intensive uses. N = Number of physical disks X = Number of RAID sets No-RAID In Storage Management, a virtual disk of unknown metadata is considered a No- RAID volume. Storage Management does not support this type of virtual disks. These must either be deleted or the physical disk must be removed.
Back to Contents Page Troubleshooting Dell OpenManage Server Administrator Storage Management User's Guide Common Troubleshooting Procedures Virtual Disk Troubleshooting Specific Problem Situations and Solutions This section contains troubleshooting procedures for common situations as well as for specific problems. Common Troubleshooting Procedures This section describes commands and procedures that can be used in troubleshooting.
On SCSI controllers, use the Rescan controller task to update information for the controller and attached devices. This operation may take a few minutes if there are a number of devices attached to the controller. If the Rescan does not properly update the disk information, you may need to reboot your system.
Does my controller support this feature? See Supported Features If you do not have a suitable backup available, and if the failed disk is part of a virtual disk on a controller that supports the Online physical disk task, then you can attempt to retrieve data by selecting Online from the failed disk's drop-down task menu. The Online command attempts to force the failed disk back into a Online state. If you are able to force the disk into a Online state, you may be able to recover individual files.
l Virtual Disk Errors on Linux l Problems Associated With Using the Same Physical Disks for Both Redundant and Non-Redundant Virtual Disks A Rebuild Does Not Work A rebuild does not work in the following situations: l The virtual disk is non-redundant—For example, a RAID 0 virtual disk cannot be rebuilt because RAID 0 does not provide data redundancy.
A Virtual Disk of Minimum Size is Not Visible to Windows Disk Management If you create a virtual disk using the minimum allowable size in Storage Management, the virtual disk may not be visible to Windows Disk Management even after initialization. This occurs because Windows Disk Management is only able to recognize extremely small virtual disks if they are dynamic. It is generally advisable to create virtual disks of larger size when using Storage Management.
l I/O Stops When a Redundant Channel Fails l A Task Menu Option is Not Displayed l A Corrupt Disk or Drive Message Suggests Running autocheck During a Reboot l Erroneous Status and Error Messages after a Windows Hibernation l Storage Management May Delay Before Updating Temperature Probe Status l Storage Management May Delay Displaying Storage Devices After Reboot l You are Unable to Log into a Remote System l Cannot Connect to Remote System Running Windows Server 2003 l Reconfigur
be possible. The following describes each of these situations. Alerts 2146 through 2150 Received during a Rebuild or while a Virtual Disk is Degraded Do the following if you receive alerts 2146 through 2150 during a rebuild or while the virtual disk is in a degraded state: 1. 2. 3. Replace the damaged physical disk. Create a new virtual disk and allow the virtual disk to completely resynchronize. While the resynchronization is in progress, the status of the virtual disk is Resynching.
Storage Management May Delay Displaying Storage Devices After Reboot Storage Management requires time after a reboot to find and inventory all attached storage devices. You may experience a delay in storage controllers being displayed until this operation has completed. You are Unable to Log into a Remote System Access can be denied here if you do not enter a user name and password that match an administrator account on the remote computer or if you mistype the login information.
Back to Contents Page Virtual Disks Dell OpenManage Server Administrator Storage Management User's Guide Considerations Before Creating Virtual Disks Span Edit Creating Virtual Disks Virtual Disk Task: Reconfigure (Step 1 of 3) Reconfiguring/Migrating Virtual Disks Virtual Disk Task: Reconfigure (Step 2 of 3) Starting and Target RAID Levels for Virtual Disk Reconfiguration and Capacity Expansion Maintain Integrity of Redundant Virtual Disks Virtual Disk Task: Reconfigure (Step 3
l Space allocation when deleting and creating virtual disks on PERC 4/SC, 4/DC, 4e/DC, 4/Di, 4e/Si, and 4e/Di controllers—When you delete a virtual disk, you free up or make available space on the physical disks that were being used by the deleted virtual disk. If you have created several virtual disks on a disk group, then deleting virtual disks can result in pockets of free space residing in various locations on the physical disks.
l Maximum number of spans affects concatenation, RAID 10, RAID 50, and RAID 60. l Maximum number of stripes affects RAID 0, RAID 5, RAID 50, RAID 6, and RAID 60. l Number of physical disks in a mirror is always 2. This affects RAID 1 and RAID 10. In the case of RAID 50 and RAID 60, you can use a greater number of physical disks than is possible for the other RAID levels. RAID 10 on a SAS controller with firmware version 6.1 can use a maximum of 256 physical disks.
l Virtual Disk Task: Delete l Reconfiguring/Migrating Virtual Disks l Physical Disk Properties and Tasks Reconfiguring/Migrating Virtual Disks Does my controller support this feature? See Supported Features. You can reconfigure or migrate a virtual disk in order to increase the disks capacity or change its RAID level. To reconfigure a virtual disk: 1. Review the information in Starting and Target RAID Levels for Virtual Disk Reconfiguration and Capacity Expansion. 2.
RAID 6 requires a minimum of 4 disks. RAID 5 RAID 0 With or without adding additional disks RAID 5 RAID 5, RAID 6 Add at least one additional disk.
l I/O l Patrol Read Recovering a physical disk bad block depends on the RAID level and state of the virtual disk. If a virtual disk is redundant, the controller can recover a bad block on a physical disk. If a virtual disk is not redundant, then the physical disk bad block results in a virtual disk bad block. The following table describes some of the possible scenarios that may/may not result in virtual disk bad blocks: Table 10-2.
Normal/OK Warning/Non-critical Critical/Fatal For more information, see Storage Component Severity. Name This property displays the virtual disk name. State This property displays the current status of the virtual disk. Possible values are: Ready—The virtual disk is functioning normally. Degraded—A physical disk in a redundant virtual disk is not online. Resynching—A consistency check is being performed on the virtual disk. On the CERC SATA1.
Unknown—Storage Management is unable to determine the media type of the physical disk. NOTE: You cannot have a mix of HDD and SSD media on a virtual disk. Also, you cannot have a mix of SAS and SATA drives on the virtual disk. Read Policy This property displays the read policy that the controller is using for this virtual disk. See RAID Controller Read, Write, Cache, and Disk Cache Policy. Write Policy This property displays the write policy that the controller is using for this virtual disk.
Does my controller support this feature? See Supported Features. Use the Reconfigure task to change the virtual disks properties. For example, you can use this task to add physical disks or change the RAID level. For more information, see Virtual Disk Task: Reconfigure (Step 1 of 3). Format, Initialize, Slow and Fast Initialize Does my controller support this feature? See Supported Features.
Check Consistency Does my controller support this feature? See Supported Features. Use the Check Consistency task to verify the accuracy of the redundant (parity) information. This task only applies to redundant virtual disks. When necessary, the Check Consistency task rebuilds the redundant data. If the virtual disk is in a Failed Redundancy state, running a check consistency may be able to return the virtual disk to a Ready state.
Does my controller support this feature? See Supported Features. Use the Cancel Rebuild task to cancel a rebuild while it is in progress. Change Policy Does my controller support this feature? See Supported Features. Use the Change Policy task to change a virtual disk's read, write, or cache policy. Changes to the read, write, and cache policy only apply to the virtual disk that you have selected. This task does not change the policy for all virtual disks on the controller.
2. ¡ Select RAID 0 for striping. This selection groups n disks together as one large virtual disk with a total capacity of n disks. Data is stored to the disks alternately so that they are evenly distributed. Data redundancy is not available in this mode. Read and write performance is enhanced. ¡ Select RAID 1 for mirroring disks. This selection groups two disks together as one virtual disk with a capacity of one single disk. The data is replicated on both disks.
2. Review the Assign Dedicated Hot Spare section. A hot spare is an unused backup physical disk that can be used to rebuild data from a redundant virtual disk. For more information, see Protecting Your Virtual Disk with a Hot Spare. Select the Physical Disk check box if you want to assign a dedicated hot spare. The Physical Disk check box is not available if the controller does not have a physical disk that is a suitable hot spare for the virtual disk you are creating.
¡ Determining the mirror for the physical disks: The mirror is determined in a way that ensures maximum possible redundancy. The algorithm also tries to match a physical disk for its mirror to a disk that is closest to it in size. However, Intelligent Mirroring gives priority to size over redundancy.
Connector 0 The Connector section of the screen displays the controller's connectors and the disks attached to each connector. Select the disks to be included in the virtual disk. In this example, the controller has a single connector with five disks. l Physical disk 0:0 l Physical disk 0:1 l Physical disk 0:2 l Physical disk 0:3 l Physical disk 0:4 Physical Disks Selected The Physical Disks Selected section of the screen displays the disks you have chosen.
2. The Size text box displays the default size of the virtual disk, depending upon the RAID configuration you selected. You can specify a different size. The virtual disk size must be within the minimum and maximum values displayed near the Size text box. In some cases, the virtual is slightly larger than the size you specify. The Create Virtual Disk wizard may round up the size of the virtual disk to avoid rendering a portion of the physical disk space unusable.
To successfully create a virtual disk, a minimum of two spans must exist at all times. NOTE: If you click Span Edit, Intelligent Mirroring that is already been applied becomes invalid. Click Continue to return to Create Virtual Disk Advanced Wizard (Step 4 of 4). Virtual Disk Task: Reconfigure (Step 1 of 3) Does my controller support this feature? See Supported Features. The Reconfigure task enables you to change the virtual disk configuration.
To Reconfigure a Virtual Disk (Changing the RAID Level and Size): Step 2 of 3 1. 2. Select the new RAID level for the virtual disk—The available RAID levels depend on the number or physical disks selected and the controller. The following describes possible RAID levels: ¡ Depending on the controller, Concatenated enables you to combine the storage capacity of several disks or to create a virtual disk using only a single physical disk.
While the virtual disk displays a Resynching state, the Pause Check Consistency and Cancel Check Consistency tasks is available. Executing either of these tasks on the virtual disk while it is in Resynching state causes the virtual disk to be in a Failed Redundancy state. Format and Initialize; Slow and Fast Initialize Does my controller support this feature? See Supported Features.
2. Depending on the task you are initiating, click the following button when ready: ¡ Format ¡ Initialize ¡ Slow Initialize ¡ Fast Initialize To exit without formatting or initializing the virtual disk, click Go Back To Virtual Disk Page. To locate this task in Storage Management: 1. Expand the Storage tree object to display the controller objects. 2. Expand a controller object. 3. Select the Virtual Disks object. 4.
Virtual Disk Task: Rename Does my controller support this feature? See Supported Features. Renaming a virtual disk enables you to change the virtual disk's name. The numbering format for the virtual disk remains unchanged. Depending on the controller you have, there are different considerations regarding the controller BIOS: l On PERC 4/SC, 4/DC, 4e/DC, 4/Di, 4/IM, 4e/Si, and 4e/Di controllers, changing the virtual disk name with Storage Management does not change the name in the BIOS.
5. Click Execute. Split Mirror Does my controller support this feature? See Supported Features. Use the Split Mirror task to separate mirrored data originally configured as a RAID 1, RAID 1-concatenated, or RAID 10 virtual disk. Splitting a RAID 1 or RAID 1-concatenated mirror creates two concatenated non-redundant virtual disks. Splitting a RAID 10 mirror creates two RAID 0 (striped) non-redundant virtual disks. Data is not lost during this operation.
To Unmirror: Click Unmirror. To exit without unmirroring, click Go Back To Virtual Disk Page. CAUTION: Your virtual disk is longer redundant. To locate this task in Storage Management: 1. Expand the Storage tree object to display the controller objects. 2. Expand a controller object. 3. Select the Virtual Disks object. 4. Select Unmirror from the Available Tasks drop-down menu. 5. Click Execute.
3. Select the Virtual Disks object. 4. Select Assign Dedicated Hot Spare or Unassign Dedicated Hot Spare from the Available Tasks drop-down menu. 5. Click Execute. Virtual Disk Task: Replace Member Disk (Step 1 of 2) NOTE: This feature is supported only on SAS and SATA controllers with firmware versions 6.1 and later. Does my controller support this feature? See Supported Features.
1. Review your changes. The source Physical Disk table displays details of the source physical disk. The destination Physical Disk table displays details of the destination physical disk. 2. Click Finish to complete the replace member task. If you want to change the replace member, click Go Back to Previous Page. To exit without making changes, click Cancel.
