HP StorageWorks XP24000/XP20000 Disk Array Site Preparation Guide (AE002-96055, September 2010)

R/W, r/w Read/write.
RAID group One or two array groups formatted with a common RAID level. RAID1 parity
groups consist of 4 HDDs (2D+2D) or 8 HDDs (4D+4D). RAID5 parity groups
include a parity disk but also consist of 4 HDDs (3D+1P) or 8 HDDs (7D+1P).
All RAID6 array groups are made up of 8 HDDs (6D+2P).
RAID level A RAID Level is one of the ways that disk drives are grouped together to improve
performance, data availability/reliability or both. RAID levels are defined from
RAID0 to RAID6. HP StorageWorks Disk Arrays in the XP product family support
RAID1, RAID5 and RAID6. Not all of these RAID levels are supported by all XP
family members. Consult the owners guide or your HP representative for the
details of which RAID levels are supported by your specific XP disk array.
RAID Manager HP StorageWorks XP RAID Manager software, a command line interface for
managing XP disk arrays.
RS Russellstoll, a registered trademark indicating a brand of electrical plugs and
receptacles manufactured by Thomas & Betts Corporation.
RSA HP Insight Remote Support Advanced.
script file A file containing a shell script.
SDA Service Delivery Automation.
shell script A sequence of two or more commands executed by a UNIX shell.
sidefile An area of cache used to store the data sequence number, record location,
record length, and queued control information.
SIM Service information message.
SMI-S Storage Management Initiative Specification.
SMS System Managed Storage.
SSD Solid State Disk.
SSID Subsystem identifier; storage system identifier.
STC HP Storage Technology Center.
SVP Service processor. A notebook computer built into the disk array. The SVP
provides a direct interface to the disk array and used only by the HP service
representative.
TB Terabyte. Equivalent to 1,000 Gb for data storage and statistics, or 1,024 Gb
for memory.
TCE Total Customer Experience.
TID Target ID.
UPS Uninterruptible Power Supply.
VOLID Volume ID.
volume Synonymous with LDEV.
XP24000/XP20000 Disk Array Site Preparation Guide 73