remote control unit (RCU)
A storage system at a secondary or remote site that is configured to
receive remote I/Os from one or more storage systems at the primary or
main site.
remote copy
See remote replication.
resync
resynchronize.
RMI
Remote Method Invocation
S
S-VOL
See secondary volume or source volume. When used for "secondary
volume", "S-VOL" is only seen in the earlier version of the Device
Manager - Storage Navigator GUI (still in use).
SAS
serial-attached SCSI
secondary volume (S-VOL)
The volume in a copy pair that is the copy of the original data on the
primary volume (P-VOL). The following Hitachi products use the term
"secondary volume": Thin Image, Copy-on-Write Snapshot,
ShadowImage, TrueCopy, Universal Replicator, Universal Replicator for
Mainframe, and High Availability Manager.
See also primary volume.
service information message (SIM)
Messages generated by a RAID storage system when it detects an error or
service requirement. SIMs are reported to hosts and displayed on Device
Manager - Storage Navigator.
service processor
The computer in a storage system that hosts the Device Manager -
Storage Navigator software and is used to configure and maintain the
storage system.
400 Glossary
System Administrator Guide for VSP Gx00 models and VSP Fx00 models
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