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Promise Technologies
Management with CLI
Capacity= Specifi es logical drive capacity. Can be specifi ed in megabytes (mb), gigabytes (gb) or
terabytes (tb), up to 2 decimal places. If not specifi ed, all available capacity is used for this logical
drive.
Stripe=
Specifi es logical drive stripe size. Options include 64KB,128 KB, 256 KB, 512 KB, and
1024 KB. If not specifi ed, the default 64KB is used.
Sector=
Specifi es logical drive sector size. Options include 512 B, 1 KB, 2 KB, and 4 KB. Sector
size cannot exceed Stripe size. Auto-adjusted not to exceed the maximum supported sector size of
the controller. If not specifi ed, the default 512 B is used.
WritePolicy=
Specifi es logical drive write policy.
writethru
Writes are not cached
writeback
Writes are cached
ReadPolicy=
Specifi es logical drive read policy.
readahead
Reads extra data to help reduce read times of sequential data.
readcache
Caches reads the data in case the same request is made again.
nocache
No caching algorithm.
Axle=
A member element when creating a RAID10 or RAID50 or RAID60.
RAID10 have 2 axles, RAID50 and RAID60 may have up to 16 axles with up to 16 drives per axle.
PreferredCtrlId= Subsystems only. Specifi es which controller the LD is preferred for LUN affi nity.
Valid value is 1 or 2. If value is not specifi ed, LUN affi nity is auto balanced.
-c <array count> Specifi es the number of arrays to give a summary of when used with the
-a list option. For example ‘array -a list -c3’ will give a summary for the fi rst 3 arrays on that
controller.
<Ld count>
Specifi es the number of logical drives to be created with the -a add option.
With the -c option, all the logical drives have same settings but only one -l option=value can be
specifi ed.