restore journal (R-JNL)
Holds differential data on the secondary Universal Replicator system until it is copied to
the secondary volume.
resync
"Resync" is short for resynchronize.
RIO
remote I/O
R-JNL
restore journal
root volume
A level-1 primary volume in a ShadowImage cascade configuration. The secondary
volume of a layer-1 pair is called a node volume. See also cascade configuration.
RPO
recovery point objective
R-SIM
remote service information message
RTC
real-time clock
RTO
recovery time objective
R/W
read/write
S
S/N, SN
serial number
secondary site
The physical location of the storage system that contains the secondary volumes of
remote replication pairs at the remote site. The remote storage system is connected to
the local storage system via remote copy connections. The remote site can also be
called the "secondary site". See also primary site.
secondary storage system
The remote storage system
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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Glossary-18
Hitachi TrueCopy® User Guide for Hitachi Virtual Storage Platform Gx00 and Fx00 Models