LV
logical volume
M
master journal (M-JNL)
Holds differential data on the primary Universal Replicator system until it is copied to
the restore journal (R-JNL) on the remote system. See also restore journal (R-JNL).
Mb/sec, Mbps
megabits per second
MB/sec, MBps
megabytes per second
migration volume
A volume used to migrate data from a different storage system, such as Hitachi Unified
Storage VM.
MIH
missing interrupt handler
mirror
In Universal Replicator, each pair relationship in and between journals is called a
"mirror". Each pair is assigned a mirror ID when it is created. The mirror ID identifies
individual pair relationships between journals.
M-JNL
master journal
MP
microprocessor
MP unit
Blade containing an I/O processor. Performance in the storage system is tuned by
allocating a specific MP unit to each I/O-related resource (LDEV, external volume, or
journal). Specific blades are allocated, or the storage system can automatically select a
blade.
MSS
maximum segment size
MTU
maximum transfer unit
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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-13
Hitachi TrueCopy® User Guide for Hitachi Virtual Storage Platform Gx00 and Fx00 Models
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