User guide

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Glossary–5
Hitachi Unified Storage VM Block Module Hardware User Guide
service processor (SVP)
The computer in a HUS VMstorage system that hosts the Storage
Navigator software and is used to configure and maintain the storage
system.
SIM
service information message
SOM
system option mode
SSD
solid state drive. See flash drive.
SVP
See service processor (SVP).
system disk
The volume from which an open-systems host boots.
system option mode (SOM)
Additional operational parameters for the RAID storage systems that
enable the storage system to be tailored to unique customer operating
requirements. SOMs are set on the service processor.
V
volume
A logical device (LDEV), or a set of concatenated LDEVs in the case of
LUSE, that has been defined to one or more hosts as a single data
storage unit. An open-systems volume is called a logical unit. (LU).