HP StorageWorks 200 Storage Virtualization System site preparation guide (AE071-96003, October 2006)

OFC Open Fibre Control.
OLM Optical link module.
OS Operating system.
PA Physical address.
parity group A parity group is a disk configuration in which multiple disks work together to
provide redundancy. Synonymous with “system group.”
partition Dividing a specificphysicaldiskintotwoormoreareasasiftherearetwo
or more physical disks.
path Paths are created by associating a port, a target, and a LUN ID with one or
more LDEVs.
PCI Power control interface or peripheral component interconnect.
port A p hysical connection that allows data to pass between a host and the system.
The number of por ts on an XP system depends on the number of supported
I/O s lo ts and the number of ports available per I/O adapter. The XP family
of systems supports Fibre Channel (FC) ports as well as other port types. Por ts
are named by port group and port letter, such as CL1-A. CL1 is the group,
andAistheportletter.
P-P Point-to-point.
PS Power supply.
RS Russellstoll®, a brand of electrical p lugs and receptacles manufactured by
Thomas & Betts Corporation.
rack The SVS200 rack that contains the basic system components, including the
controller and one disk chassis. The rack can contain
asecondoptionaldisk
chassis.
RAID Redundant system of independent disks.
RAID group See “system group.”
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 RA I D6. HP StorageWorks systems in the XP product family support
RAID 1 , RAID5 and RAID6. N ot all of these RAID levels are supported by all XP
family mem bers. Consult the owner’s guide or your HP representative for the
details of which RAID levels are supported by your specificXPsystem.
RAM Random access memory.
RM HP StorageWorks RA ID Manager XP, a command line interface for managing
XP systems.
R-SIM Remote service information message.
R/W, r/w Read/write.
script file A file containing a shell script.
SCSI Small computer system interface.
shell script A c om mand sequence executed by a UNIX shell.
sidefile An area of cache used to store the data sequence number, record location,
record length, a nd queued control information.
SIM Service information message.
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Glossary