HP MSA 1040 HP MSA 1040 CLI Reference Guide (762782-001, March 2014) - Page 507

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 See ASC/ASCQ. Code/Additional Sense Code Qualifier Advanced Encryption See AES. Standard 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. ASCII American Standard Code for Information Interchange. A character-encoding scheme that encodes 128 characters. A subset with the decimal codes 32-126 are known as the printable ASCII characters and include the space character, a-z, A-Z, 0-9, and basic punctuation symbols. The ASCII character set is a subset of the UTF-8 character set. See UTF-8. 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 See CIM. Model Common Information See CIMOM. Model Object Manager Glossary 507