Parameter Description
sampleType This parameter is optional. The default value for
sampleType is all.
v all— Data for all three sample types are collected and
written to the same file.
v mostRecent — Statistics are recorded for the most
recent 50 resynchronization samples.
v longestSyncTime — Statistics are collected for the most
recent 20 longest resynchronization samples.
v errors— Statistics are recorded for the most recent 20
failed resynchronization samples. These samples
include a failure code.
recordLimit This parameter is optional. The default value for record
limit is no limit. The recordLimit must be greater than
0 and less than or equal to 90.
Notes
Statistics are captured for mirrored volumes in the Primary role. The statistics collected include the
following data:
v Synchronization start time
v Synchronization type (manual or periodic)
v Synchronization duration
v Number of bytes sent
v Maximum write time (for a single write)
v Minimum write time (for a single write)
v Minimum synchronization data rate
v Maximum synchronization data rate
v Total write time
v Repository utilization (%)
v Recovery point age
During initial synchronization, statistics samples are captured approximately every 15 minutes.
The synchronization statistics are included in the support bundle.
Minimum Firmware Level
7.84
Save Controller NVSRAM
This command saves a copy of the controller NVSRAM values to a file. This command saves all of the
regions.
Syntax
save controller [(a | b)]
NVSRAM file=”filename”
3-172 IBM System Storage DS3000, DS4000, and DS5000: Command Line Interface and Script Commands Programming Guide
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