HP P4000 HP Smart Array SAS controllers for Integrity servers support guide - Page 48
physical drives, saconfig /dev/cissX -E <Logical drive #> -p <physical_drive_id>
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saconfig /dev/cissX -e To change the rebuild priority of controller to low, medium, or high saconfig /dev/cissX -r To specify the percentage of total cache size to be used for read caching saconfig /dev/cissX -C Read caching percentage can be 0, 25, 50, 75, or 100. To enable or disable auto-fail missing disks at boot saconfig /dev/cissX -F on|off To identify (light LED) SAS/SATA physical drives saconfig /dev/cissX -I -p [-p ... ] To identify SAS/SATA physical drives constituting a logical drive saconfig /dev/cissX -I -l To extend the capacity of the specified logical drive up to larger capacity. The capacity is in GB. saconfig /dev/cissX -E -c To expand the specified logical drive and others in an array by physical drive(s) saconfig /dev/cissX -E -p [-p ... ] To perform RAID level [with Stripe size (KB)] migration on the specified logical drive. The stripe size is in KB. saconfig /dev/cissX -M -R [-S ] To perform Stripe size migration on the specified logical drive. The stripe size is in KB. saconfig /dev/cissX -M -S 48 Configuration