System information

Using the CLI Commands
4-6
4.3 RAID Maintenance Utilities
4.3.1 RAID attributes reconfiguration utilities
Command
cachepflush
Synopsis
cachepflush [periodsec]
Description
Review or set the current cache flush period.
Parameters
[periodsec]: the cache flush period
Command
cacheunit
Synopsis
cacheunit [4kb/8kb/16kb/32kb/64kb/128kb]
Description
Review or set the cache unit size.
Parameters
[4kb/8kb/16kb/32kb/64kb/128kb]: set cache unit size
Command
cacheflush
Synopsis
cacheflush volx/dgxldy/jbdx/all [-w xxmin]
Description
Flush write buffers in the write cache of a volume, a logical disk, a JBOD disk, or all write
buffers in the cache.
Parameters
[-w xxmin]: number of minutes to wait for flush completion
Command
cachedirtyratio
Synopsis
cachedirtyratio [dirty_ratio]
Description
Review or set the dirty buffer ratio.
Parameters
[dirty_ratio]: dirty buffer ratio
Command
cachelist
Synopsis
cachelist volx/dgxldy/jbdx/all
Description
List the setting and status of a volume, a logical disk, a JBOD disk.
Command
cachesync
Synopsis
cachesync on/off
Description
Turns on or off SYNCHRONIZE CACHE command support. Without any parameters, this
command shows the current setting.
Command
dgexpand
Synopsis
dgexpand dgi [-d] hddx hddy ...
Description
Expand a disk group by adding one or more disks.
Parameters
[-d]: defragment during expanding
Command
ldmigrate
Synopsis
ldmigrate dgxldy [-s newstripesize] [-r newraidlevel] [-d]
[-l hddx,hddy,...]
Description
Perform RAID level and/or stripe size migration for a logical disk on a disk group. At least
one option must be set.
Parameters
[-s newstripesize]: migrate to new stripe size
[-r newraidlevel]: migrate to new RAID level
[-d]: defragment during migration
[-l hddx,hddy,...]: expanding disk group by adding these hard disks