HP MSA Events Description Reference Guide (762785-001, March 2014)

ManualsBrandsHP ManualsStorageHP MSA 1040 2-port 10G iSCSI Dual Controller SFF Storage/S-Buy

Glossary 73

Glossary

2U12 A enclosure that is two rack units in height and can contain 12 disks.

2U24 A enclosure that is two rack units in height and can contain 24 disks.

Additional Sense

Code/Additional Sense

Code Qualifier

See ASC/ASCQ.

Advanced Encryption

Standard

See AES.

AES Advanced Encryption Standard. A specification for the encryption of data using a

symmetric-key algorithm.

Air Management Sled See AMS.

ALUA Asymmetric Logical Unit Access.

AMS For a 2U12 or 2U24 enclosure, Air Management Sled. A drive blank designed to fill an

empty disk slot in an enclosure to maintain optimum airflow through the chassis.

array See storage system.

ASC/ASCQ Additional Sense Code/Additional Sense Code Qualifier. Information on sense data

returned by a SCSI device.

auto-write-through See AWT.

available disk A disk that is not being used in a vdisk, is not configured as a spare, and is not in the

leftover state. It is available to be configured as a part of a vdisk or as a spare. See also

compatible disk, dedicated spare, dynamic spare, and global spare.

AWT Auto-write-through. A setting that specifies when the RAID controller cache mode

automatically changes from write-back to write-through.

CAPI Configuration Application Programming Interface. A proprietary protocol used for

communication between the Storage Controller and the Management Controller in a

controller module. CAPI is always enabled.

CHAP Challenge-Handshake Authentication Protocol.

chassis The sheetmetal housing of an enclosure.

chunk size The amount of contiguous data that is written to a vdisk member before moving to the next

member of the vdisk.

CIM Common Information Model. The data model for WBEM. It provides a common definition

of management information for systems, networks, applications and services, and allows for

vendor extensions.

CIM Query Language See CQL.

CIMOM Common Information Model Object Manager. A component in CIM that handles the

interactions between management applications and providers.

comma separated

values

See CSV.

Common Information

Model

See CIM.

Common Information

Model Object Manager

See CIMOM.

compatible disk A disk that can be used to replace a failed member disk of a vdisk because it both has

enough capacity and is of the same type (SAS SSD, enterprise SAS, or midline SAS) as the

disk that failed. See also available disk, dedicated spare, dynamic spare, and global

spare.