Parameter
Parameter Description
performanceReadCache The alphanumeric identifier (including - and _) of the
Performance Read Cache that you want to suspend.
Enclose the identifier in square brackets ([ ]). If the
Performance Read Cache name contains special
characters or consists only of numbers, you also must
enclose the identifier in double quotation marks (" ")
inside square brackets.
Notes
To restart caching, use the resume performanceReadCache command.
Minimum Firmware Level
7.84
Suspend Enhanced Global Mirror Group
This command suspends the synchronization of data on all mirrored pairs at the Enhanced Global Mirror
Group level. This suspend command helps to reduce any performance impact to the host application that
might occur while any changed data on the local storage subsystem is copied to the remote storage
subsystem.
Syntax
suspend enhancedGlobalMirrorGroup ["enhancedGlobalMirrorGroupName"]
Parameter
Parameter Description
enhancedGlobalMirrorGroup The name of the Enhanced Global Mirror Group that you
want to suspend. Enclose the Enhanced Global Mirror
Group name in square brackets ([ ]). If the Enhanced
Global Mirror Group name has special characters, you
also must enclose the Enhanced Global Mirror Group
name in double quotation marks (" ") inside square
brackets. If the Enhanced Global Mirror Group name
consists only of numbers, such as "1002," you also must
enclose the Enhanced Global Mirror Group name in
double quotation marks (" ") inside square brackets.
Notes
When an Enhanced Global Mirror Group is in a suspended state, no attempt is made to copy data from
the primary volumes to the secondary volumes of the mirrored pairs. Any writes to the primary side of
the Enhanced Global Mirror Group are persistently logged in its associated mirror repository volumes.
After the Enhanced Global Mirror Group is resumed, only the modified regions of the primary volumes
are written to the secondary volumes.
3-320 IBM System Storage DS3000, DS4000, and DS5000: Command Line Interface and Script Commands Programming Guide
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