Dell PowerVault LTO Tape Drive User's Guide IBM
Note Before you use this information and the product it supports, read the general information under Notices in the Dell PowerVault LTO Tape Drive User's Guide. NOTE indicates important information that helps you make better use of your system. NOTICE indicates either potential damage to hardware or loss of data and describes how to avoid the problem. CAUTION indicates a potential for property damage, personal injury, or death. Information in this document is subject to change without notice.
iv Dell PowerVault LTO Tape Drive: User's Guide
Contents Note . . . . . . . . . . . . . . . . iii Using the Tape Backup Software . . . 25 Figures . . . . . . . . . . . . . . vii Troubleshooting. . . . . . . . . . . 27 Tables . . . . . . . . . . . . . . . ix Introduction . . . . . . . . . . . . . 1 Overview . . . . . . Encryption . . . . . . Specifications and Features Tape Backup Software . . Front Panel . . . . . . Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
vi Dell PowerVault LTO Tape Drive: User's Guide
Figures 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. PowerVault Internal Model. . . . . . PowerVault External Model . . . . . PowerVault Rack Mount Model . . . . Front Panel . . . . . . . . . . . Rear Panel of Internal SAS Tape Drive . . Rear Panel of External SAS Tape Drive . . Rear Panel of the Rack Mount Tape Drive Air Intake Area . . . . . . . . . Install the Drive . . . . . . . . . Mounting Holes on Tape Drive . . . . Attaching SAS Cable . . . . . . . Secure the Drive . . . . . . . . . . . . . . . . . . .
viii Dell PowerVault LTO Tape Drive: User's Guide
Tables 1. 2. 3. 4. 5. LTO Generation Specifications. . . . . . . 3 SCD, Ready/Activity LED, and Fault LED Descriptions. . . . . . . . . . . . . 5 Supported Functions of Compatible Media Types . . . . . . . . . . . . . . 18 Environmental Specifications . . . . . . . 22 Diagnostic and Maintenance Function Codes and Descriptions . . . . . . . . . . . 28 6. 7. 8. 9. 10. 11. 12. 13. General Troubleshooting . . . . . . Methods of Receiving Errors and Messages Descriptions and Corrective Actions . .
x Dell PowerVault LTO Tape Drive: User's Guide
Introduction v “Overview” – “Serial Attached SCSI (SAS) Interface” on page 2 v “Encryption” on page 2 v “Specifications and Features” on page 3 v “Tape Backup Software” on page 4 v “Front Panel” on page 4 v “Rear Panel” on page 6 Overview The LTO PowerVault tape drive is a high-performance, high-capacity data-storage device that is designed to back up and restore data and archive and retrieve files in an Open Systems environment.
a80hd001 a77ug279 Figure 2. PowerVault External Model Figure 3. PowerVault Rack Mount Model Serial Attached SCSI (SAS) Interface A drive with a SAS (Serial Attached SCSI) interface can be linked directly to controllers. The SAS interface offers the following advantages over the traditional SCSI interface: v SAS enables multiple devices (up to 128) of different sizes and types to be connected simultaneously with thinner and longer cables. v Its full-duplex signal transmission supports up to 6.0 Gb/s.
Specifications and Features Specifications Table 1. LTO Generation Specifications PowerVault Generation Specification LTO8 LTO7 LTO6 LTO5-140 LTO4-120 LTO3-80 Native Capacity 12000 GB 6000 GB 2500 GB 1500 GB 800 GB 400 GB 2.
v Compatible with all cartridges dependent on generation that bears the official Ultrium LTO logo. For more information, see “Loading, Unloading, and Write-Protecting Cartridges” on page 18. v Able to interchange tapes with other LTO tape drives that bear the official Ultrium LTO logo. v Support for WORM (Write Once Read Many) using WORM media v Data encryption capability by using LTO Ultrium 4, 5 and 6 media v Ethernet interface for transferring drive firmware and dumps only (not an iSCSI interface).
6. Encryption status LED. This white LED indicates all data (except for the label information) on the cartridge is encrypted. (LTO Ultrium 5 and above cartridges only.) Table 2.
Table 2. SCD, Ready/Activity LED, and Fault LED Descriptions (continued) Condition of green Ready/ Activity LED Off Condition of amber Fault LED Flashing once per second Condition of white encryption Condition of Condition of LED the SCD Panel the SCD Dot Off On Solid Off Meaning of LEDs and SCD Panel and SCD Dot An error occurred and the tape drive or media may require service or drive may require cleaning.
1 2 a80hh012 3 4 Figure 6. Rear Panel of External SAS Tape Drive ▌1▐ Power connector ▌3▐ SAS connectors ▌2▐ Fan enclosure ▌4▐ Ethernet - not iSCSI - for transferring firmware and dumps only 3 3 4 4 a80hh089 1 2 Figure 7.
8 Dell PowerVault LTO Tape Drive: User's Guide
Setting Up the Tape Drive v “Pre-installed Internal Drives” v “Installing Internal Drives” – “Installing the Internal Drive - Step-By-Step Instructions” v “Installing External and Rack Mount Drives” on page 13 – “Installing the External Drive - Step-By-Step Instructions” on page 13 v “Verifying Drive Operation” on page 14 v “Loading Device Drivers” on page 14 v “Ethernet Service Port Procedures” on page 15 Pre-installed Internal Drives Dell performs the installation and setup of internal tape drives that a
see ▌1▐ in Figure 8). The recommended time is 4 hours after the drive has been unpacked or 1 hour after any condensation that you can see has evaporated, whichever is greater. To allow the drive to adjust to its new environment, apply the following measures: v If the drive is colder than its operating environment and the air contains sufficient humidity, condensation may occur in the drive and damage it.
a80hd031 If your system requires special rails or other hardware to install the tape drive, mount them on the tape drive in this step. If your system does not require special mounting hardware, proceed to step 5. 5. Installing the Drive Slide the tape drive into the open bay, aligning the tray or rails with the slots in the bay, as shown in Figure 9. Figure 9.
6. Attaching SAS Cable Attach the system SAS cable to the drive SAS connector, as shown in Figure 11. 1 a80hh094 2 Figure 11. Attaching SAS Cable ▌1▐ SAS cable ▌2▐ Power cable 7. Securing the Drive a80hd032 The tape drive can now be secured to the system as shown in Figure 12. There are several ways to secure the drive. If the drive is on rails or in a sled, then push it in place. Some systems require the drive to be inserted into a media bay and attached directly to the system with screws.
c. The Fault LED briefly turns on, then the ready/activity LED turns on solid. Installing External and Rack Mount Drives Installing the Drive — Prerequisites The SAS tape drive has a burst transfer rate of 600 MB per second. It is recommended that a dedicated host bus adapter is used for the tape drive. Your system must have a properly installed and configured SAS host adapter or a SAS controller on the motherboard (if available) with driver software that supports the tape drive.
▌1▐ System ▌4▐ Drive SAS connector ▌2▐ SAS host adapter card ▌5▐ Tape Drive ▌3▐ SAS cable To connect a second system to the tape drive, attach one end of the second SAS cable to the SAS host adaptor installed in the second system. Attach the other end of the second SAS cable to the other SAS port on the rear panel of the tape drive. This configuration is shown in Figure 14. 4 5 3 2 5 2 3 4 a67ru043 1 Figure 14.
Notice: Some backup software applications do not require device drivers to be loaded and, in some cases, installing device drivers could interfere with proper functioning of the application. See the documentation for the respective application prior to loading these drivers. The latest drivers are available at http://www.Dell.com/support.
8. Remove the ethernet patch cable from the drive’s ethernet interface.
Using the Tape Drive v “Operating the Drive” v “Loading, Unloading, and Write-Protecting Cartridges” on page 18 v “Caring for Tape Cartridges” on page 21 v “Cleaning the Tape Mechanism” on page 23 Operating the Drive Turn on the external drive by pushing the power on/off button on the front panel (Figure 15). Turn on the rack mount drive by pushing the power on/off button on the front panel (Figure 16).The tape drive runs its Power-On Self-Test (POST).
a80hd008 1 Figure 17. Resetting the Drive ▌1▐ Eject Button Loading, Unloading, and Write-Protecting Cartridges Use only LTO Ultrium format cartridges with your drive, as specified in the LTO Ultrium standard. Ensure that only one label is stuck to the label area of the cartridge. Do not use nonstandard labels, and do not stick anything to the cartridge other than in the label area.
1 1 GB = 1 000 000 000 bytes. 2 Compression Ratio v 2.5:1 = LTO6 v 2:1 = LTO5, LTO4, and LTO3 3 RO = Read Only Figure 18 shows the LTO Ultrium Data Cartridge and its components. 6 2 3 4 5 1 Figure 18. LTO Ultrium Data Cartridge ▌1▐ LTO cartridge memory ▌4▐ Insertion guide ▌2▐ Label area ▌5▐ Cartridge door ▌3▐ Write-protect switch ▌6▐ Leader pin Loading a Tape Cartridge 1. Ensure that the tape drive is powered on. The ready/activity LED is solid green. 2.
a80hd033 Figure 19. Loading ▌1▐ Write-Protect Switch Unloading a Tape Cartridge 1. Ensure that the tape drive is powered on. The ready/activity LED is solid green. 2. Press the eject button (see ▌1▐ in Figure 17 on page 18). The drive rewinds the tape and ejects the cartridge. The ready/activity LED flashes green while the tape rewinds, then goes out before the cartridge ejects. 3. After the cartridge ejects, grasp the cartridge and remove it.
Figure 20. Setting the Write-Protect Switch ▌1▐ Write-Protect Switch To set the switch, slide it left or right to the desired position. Notice: Always set the write protection tab prior to loading the cartridge into the drive. Sliding the tab after loading causes unpredictable results and could result in drive errors or backup failure. Caring for Tape Cartridges Notice: Do not insert a damaged tape cartridge into your tape drive.
– Double-box the cartridge (place it inside a box, then place that box inside the shipping box) and add padding between the two boxes. Provide Proper Acclimation and Environmental Conditions v Before you use a cartridge, let it acclimate to the normal operating environment for 1 hour. If you see condensation on the cartridge, wait an additional hour. v Ensure that all surfaces of a cartridge are dry before inserting it. v Do not expose the cartridge to moisture or direct sunlight.
Cleaning the Tape Mechanism Dell PowerVault drives have been developed to have a minimal cleaning requirement. The tape drive will display a C on the single-character display and the fault LED will flash amber when the drive needs cleaning. Only insert a cleaning cartridge into the tape drive when the C is displayed. Notice: Only use LTO cleaning cartridges that are labeled "universal." The tape drive is only compatible with the LTO Ultrium universal cleaning cartridges.
24 Dell PowerVault LTO Tape Drive: User's Guide
Using the Tape Backup Software See the User's Operating Guide supplied with your Tape Backup application for more information about using the Tape Backup software. For the latest supported software versions, go to the Dell support website at http://www.Dell.com/support or visit the support site of your backup software vendor.
26 Dell PowerVault LTO Tape Drive: User's Guide
Troubleshooting v “Obtaining Drivers and Firmware Upgrades” v “Selecting a Diagnostic or Maintenance Function” v “General Guidelines” on page 36 v “Methods of Receiving Errors and Messages” on page 37 v “Descriptions and Corrective Actions” on page 37 v “Drive Status” on page 41 v “Drive Maintenance” on page 42 v “Fixing SAS Connectivity Problems” on page 43 v “Resolving Media-Related Problems” on page 44 v “Removing an Internal SAS Tape Drive” on page 44 v “TapeAlert” on page 44 v “Recovering a Tape Cartri
Table 5. Diagnostic and Maintenance Function Codes and Descriptions Function Code 1 - Run Tape Drive Diagnostics Causes the tape drive to run self tests. Attention: Insert only a scratch data cartridge for this test. Data on the cartridge will be overwritten. Note: If you inserted an invalid tape cartridge, (see “Loading, Unloading, and Write-Protecting Cartridges” on page 18), error code J or 7 displays in the SCD.
Table 5. Diagnostic and Maintenance Function Codes and Descriptions (continued) Function Code 4 — Force a Dump of Vital Data to Tape Drive Memory Causes the tape drive to perform a collection (or dump) of vital technical data and save it to drive memory. (A drive dump is also known as a save of the firmware trace.) Notice: When an error code is displayed in maintenance mode, the tape drive also displays a dot to remind you that a dump already exists.
Table 5. Diagnostic and Maintenance Function Codes and Descriptions (continued) Function Code A - Clear Error Code Log Causes the tape drive to erase the contents of the error code log. 1. Ensure that there is no cartridge in the drive. 2. Press the eject button three times within an interval of 2 seconds. The fault LED becomes solid amber, which means that the drive is in maintenance mode. 3. Press the eject button once per second until A appears in the single-character display.
Table 5. Diagnostic and Maintenance Function Codes and Descriptions (continued) Function Code E - Test Cartridge & Media Causes the tape drive to perform a Write/Read test (on the edge bands) to ensure that a suspect cartridge and its magnetic tape are acceptable. The tape drive takes approximately 15 minutes to run one loop of the test. The test loops ten times before completing. v If no error is detected, the test begins again and runs for a maximum of ten times.
Table 5. Diagnostic and Maintenance Function Codes and Descriptions (continued) Function Code F - Write Performance Test Causes the tape drive to perform tests to ensure that the drive can read from and write to tape. This diagnostic performs fewer tests than the Run Tape Drive Diagnostics test (Function Code 1). The tape drive takes approximately 3 minutes to run the test. The Fast Read/Write Test is not as comprehensive a test and is not recommended for isolating errors between the drive and the media.
Table 5. Diagnostic and Maintenance Function Codes and Descriptions (continued) Function Code H - Test Head Causes the tape drive to perform the Head Resistance Measurements test and a Write/Read test (on the center of the tape). The drive runs these tests to ensure that the tape drive's head and tape-carriage mechanics are working correctly. The tape drive takes approximately 10 minutes to run the test.
Table 5. Diagnostic and Maintenance Function Codes and Descriptions (continued) Function Code J - Fast Read/Write Test Approximate Run Time = 5 minutes Total Number of Loops = 10 Function Code J performs tests to ensure that the drive can read from and write to tape. The diagnostic loops ten times. Press the eject button to stop the diagnostic and exit maintenance mode. Pressing the eject button once will abort the test at the end of the current test loop.
Table 5. Diagnostic and Maintenance Function Codes and Descriptions (continued) Function Code L - Load/Unload Test Approximate Run Time = 15 seconds per loop Total Number of Loops = 10 Function Code L tests the drive's ability to load and unload a tape cartridge. The diagnostic loops ten times. To stop the diagnostic and exit maintenance mode, press the eject button once to abort the test. Attention: The diagnostic loops ten times.
General Guidelines If you encounter problems when running the Dell PowerVault Tape Drive, refer to Table 6 for common problems. If the problem is not identified, refer to “Methods of Receiving Errors and Messages” on page 37. The color and condition of the LEDs may also indicate a problem. Table 6. General Troubleshooting If the problem is this... Do this... A code displays on the single-character display and the fault LED flashes amber.
Methods of Receiving Errors and Messages Use Table 7 as a guide for identifying error codes and message codes reported by the tape drive, its computer (if applicable), or the system. Note: The codes on the single-character display have different meanings, depending on whether they display during normal operations or while the drive is in maintenance mode. Codes that occur during normal operations are defined in “Descriptions and Corrective Actions.
Table 8. Descriptions and Corrective Actions (continued) Cooling problem. The tape drive detected that the recommended operating temperature was exceeded. Perform the following action: 1. If a fan is present in the system, ensure that it is rotating and is quiet. If not, replace the fan. (For instructions about replacing the fan, see your system's documentation.) 1 2. Remove any blockage that prevents air from flowing freely through the tape drive. 3.
Table 8. Descriptions and Corrective Actions (continued) Tape drive or media error. The drive determined that an error occurred, but it cannot isolate the error to faulty hardware or to the tape cartridge. Perform the appropriate action, as described below. v Check the cartridge type and the operation you are trying (Read or Write) to make sure it is supported on the tape drive you are using. See Table 3 on page 18. v Try the operation again with another cartridge.
Table 8.
Table 8. Descriptions and Corrective Actions (continued) 8 Tape drive or interface failure. The tape drive determined that a failure occurred in the tape drive's hardware or in the bus. See “Fixing SAS Connectivity Problems” on page 43. The error code clears 10 seconds after the drive detected the error or when you place the drive in maintenance mode. 9 Library to drive interface (RS-422) error. This interface is not used in the PowerVault tape drive. A Tape drive hardware problem.
a67ru053 Figure 21. Drive Status page a67ru054 3. Check the appropriate box(es) to get information on that topic. Figure 22. Drive Status page - details Note: The page format can be changed to text-only mode by checking the box at the top of the page. 4. Use the web browser refresh button to update the page with the current drive status. Drive Maintenance 1. Connect an ethernet cable to the drive or bridgebox. 2. Using a web browser, connect to http://169.254.0.3/service.html.
a67ru052 Figure 23. Drive Maintenance page 3. Check the appropriate radio button, then press Run to run that maintenance function. If the drive is in a library, many of the maintenance functions are disabled. To cancel the maintenance function press Cancel. These are the same maintenance functions that are executed via the unload button on the drive's front panel. Note: For more information on Maintenance Function details, see “Selecting a Diagnostic or Maintenance Function” on page 27.
Resolving Media-Related Problems To resolve problems that are related to media, the tape drive's firmware includes: v Test Cartridge & Media diagnostic that verifies whether a suspect cartridge and its magnetic tape are acceptable for use. v Statistical Analysis and Reporting System (SARS) to assist in isolating failures between media and hardware.
TapeAlert Flags Table 9 lists the TapeAlert flags that are supported by the Dell PowerVault Tape Drive. Table 9. TapeAlert Flags and Descriptions TapeAlert Flags Supported by the Tape Drive Flag Number Flag Parameter (in hex) Flag Description Action Required 3 03h Hard error Set for any unrecoverable See the Action Required read, write, or positioning column for Flag 4, 5, or 6 in error. (This flag is set in this table. conjunction with flags 4, 5, or 6.
Table 9. TapeAlert Flags and Descriptions (continued) TapeAlert Flags Supported by the Tape Drive 11 0Bh Cleaning media Set when you load a cleaning No action required. cartridge into the drive. 12 0Ch Unsupported format Set when you load an unsupported cartridge type into the drive or when the cartridge format has been corrupted. 15 0Fh Cartridge memory chip Set when a cartridge memory Replace the cartridge.
Table 9. TapeAlert Flags and Descriptions (continued) TapeAlert Flags Supported by the Tape Drive 32 20h Interface Set when the tape drive detects a problem with the SCSI or LDI (RS-422) interface. Locate error code 8 or 9 in “Descriptions and Corrective Actions” on page 37. 33 21h Eject media Set when a failure occurs that Unload and reload the tape requires you to unload the cartridge. cartridge from the drive.
v If a cartridge is in the drive, the ready/activity LED flashes green and the SCD flashes moving in a figure eight pattern until the cartridge is rewound. v The ready/activity LED turns on solid and the SCD stops flashing in a figure eight pattern when the rewind is complete and the tape drive is ready. Note: Allow at least 10 minutes for the rewind process to complete. 2. To eject the cartridge, push the eject button one more time.
Specifications v “General Specifications” v “Internal Drive” v “External Drive” on page 50 v “Rack Mount Drive” on page 51 General Specifications Table 10. General specifications General Manufacturer Manufactured for Dell Model Number (Internal, External, RackMount) Dell PowerVault Tape Drive LTO Ultrium 8-H LTO Ultrium 7-H LTO Ultrium 6-H LTO Ultrium 5-H LTO Ultrium 4-H LTO Ultrium 3-H CSEH 001, LTO4-EH1, LTO3-EH1 2U Storage Rack A Interface Type 6 GB SAS interface Internal Drive Table 11.
Table 11. Internal Drive specifications (continued) Physical Specifications Capacity LTO8-12000 GB (Native) 30000 GB (compressed, assuming 2.5:1 compression) LTO7-6000 GB (Native) 15000 GB (compressed, assuming 2.5:1 compression) LTO6-2500 GB (Native) 6250 GB (compressed, assuming 2.
Table 12. External Drive specifications (continued) Physical Specifications Line current at 240 VAC 0.20 A External Drive Specifications, continued Performance Interface 6 GB SAS Recording format LTO Ultrium Generation Media LTO Ultrium Capacity LTO8-12000 GB (Native) 30000 GB (compressed, assuming 2.5:1 compression) LTO7-6000 GB (Native) 15000 GB (compressed, assuming 2.5:1 compression) LTO6-2500 GB (Native) 6250 GB (compressed, assuming 2.
Table 13. Rack Mount drive specifications (continued) Physical Specifications Length 44.0 cm (17.32 in) Height 9.0 cm (3.54 in) Weight 10.23 kg (22.55 lb) Chassis empty Power Requirements AC line voltage 100 - 240 VAC Line frequency 50 - 60 Hz, auto-ranging Line current at 100 VAC 1.9 A Line current at 240 VAC 0.8 A Performance Interface 6 GB SAS Recording format LTO Ultrium Generation Media LTO Ultrium Capacity LTO8-12000 GB (Native) 30000 GB (compressed, assuming 2.
Contacting Dell Dell provides several online and telephone-based support and service options. If you do not have an active internet connection, you can find contact information about your purchase invoice, packing slip, bill, or Dell product catalog. Availability varies by country and product, and some services might not be available in your area. To contact Dell for sales, technical assistance, or customer service issues: 1. Go to Dell.com/support. 2.
54 Dell PowerVault LTO Tape Drive: User's Guide
Appendix. Regulatory Information Regulatory Information for Taiwan Figure 17.
56 Dell PowerVault LTO Tape Drive: User's Guide
Glossary This glossary defines the special terms, abbreviations, and acronyms that are used in this publication. If you do not find the term you are looking for, refer to the index or to the Dictionary of Computing, 1994. Numbers 2.5:1 compression The relationship between the quantity of data that can be stored with compression as compared to the quantity of data that can be stored without compression. In 2.
compression. The process of eliminating gaps, empty fields, redundancies, and unnecessary data to shorten the length of records or blocks. configure. To describe to a server the devices, optional features, and programs installed on the system. counterclockwise. In a direction opposite to that in which the hands of a clock rotate, as viewed from the front. current. The quantity of charge per unit of time. Current is measured in amperes. cycle power.
firmware. The proprietary code that is usually delivered as part of an operating system. Firmware is more efficient than software that is loaded from an alterable medium, and is more adaptable to change than pure hardware circuitry. An example of firmware is the Basic Input/Output System (BIOS) in read-only memory (ROM) on a PC motherboard. G GB. See gigabyte. Generation 1. The informal name for the Ultrium tape drive, which is the predecessor of the tape drive (Generation 2).
insertion guide. On the surface of the tape cartridge, a large, notched area that prevents you from inserting the cartridge incorrectly. install. (1) To set up for use or service. (2) The act of adding a product, feature, or function to a server or device either by a singular change or by the addition of multiple components or devices. interposer. An adapter-like device that allows a connector of one size and style to connect to a mating connector of a different size and style.
that is expected by the receiving system. This usually occurs when the sending and receiving systems have different parity settings. medium. A physical material in or on which data may be represented, such as magnetic tape. megabyte (MB). 1,000,000 bytes. port. N network. A configuration of data processing devices and software that is connected for information interchange. O oersted. The unit of magnetic field strength in the unrationalized centimeter-gram-second (cgs) electromagnetic system.
S Serial Attached SCSI (SAS) Interface. SAS. scratch cartridge. A data cartridge that contains no useful data, but can be written to with new data. SCSI. See Small Computer Systems Interface. SCSI connector. Located at the rear of the tape drive, the connector that facilitates commands to and from the server, and to which the internal SCSI cable of an enclosure connects. Small Computer Systems Interface (SCSI).
tape cartridge. A removable storage case that houses belt-driven magnetic tape that is wound on a supply reel and a takeup reel. tape drive. A data-storage device that controls the movement of the magnetic tape in a tape cartridge. The Dell PowerVault tape drive houses the mechanism (drive head) that reads and writes data to the tape. Its native data capacity is 1500 GB per cartridge; with 2:1 compression, its capacity is up to 3000 GB.
64 Dell PowerVault LTO Tape Drive: User's Guide
Index A glossary 57 acclimation 21 Application Managed Encryption (AME) 2 B back up software 4 I Install 9 internal drive, install 9 Internal drive, install 9 Internal Drive, pre-installed T 9 L C Cartridge capacity 3 cartridge care 21 cartridge compatibility 18 Cartridge compatibility 3 cartridge generations 18 cartridge handling 21 cartridge memory (CM) 44 cartridge, recover 47 cleaning cartridge 23 Cleaning, tape drive 23 components, front panel 4 components, rear panel 6 connectivity problems 43
66 Dell PowerVault LTO Tape Drive: User's Guide
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