User's Manual

Chapter 6: Management with the CLI
195
GBTruncate Truncates the drive to the nearest 1-billion byte
boundary.
10GBTruncate Truncates the drive to the nearest 10-billion byte
boundary.
GrpRounding Truncates the drive using an intelligent algorithm. Allows
the maximum amount of usable space.
TableRounding Truncates the drive using a pre-defined coercion table.
smart= Enables or disables polling drive SMART status.
enable
disable
smartpollinginterval= Sets the time interval in number of minutes to poll the
drive SMART status.
1..1440
cacheflushinterval= Sets the time interval in seconds to flush the controller
writeback cache.
1..12
migrationstorage= Sets location to store the migration watermark.
ddf Uses the DDF area on the physical drives of the disk
array.
nvram Uses the NVRAM on the controller.
lunaffinity= Subsystems only. Enables or disables LUN affinity,
allowing LD access only to certain controller. For
subsystems with dual controllers.
enable
disable
pollinterval= Sets interval in seconds to poll enclosure SEP
information.
15..255
lunmapping= Subsystems only. Chooses WWN based or Slot based
LUN mapping method.
wwn
slot
adaptivewbcache= Enables or disables adaptive writeback cache.
enable Writeback logical drives will change the write policy
based on the availability of protection. If BBU or UPS is
available, the write policy is retained as Writeback,
otherwise the policy is switched to Writethru.