Promise Technology 2-Year Extended Warranty for VessR2000 RAID Head - Manual (Page 386)

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Product Manual Managing with the CLI
writeback Writes are cached.
Note: Cannot be set if ReadPolicy is set to “nocache.”
ReadPolicy= Specifies logical drive read policy.
readahead Reads extra data to help reduce read times of sequential data.
readcache Caches reads in the case the same request is made again.
nocache No caching algorithm.
PreferredCtrlId= Specifies which controller the LD is prefers for LUN affinity.
Valid value is 1 or 2.
PerfectRebuild= Used to specify which logical drives supply to Perfect Rebuild.
disable Perfect rebuild will not supply to this logical drive.
-v Verbose mode. Used with -a list.
Examples
logdrv
logdrv -v
logdrv -a mod -l0 -s”readpolicy=readahead”
logdrv -a locate -l2