Syntax - Adaptec RAID 2810SA Software Reference Manual

controller Commands
controller rescan
To rescan the SCSI channels on the currently opened controller and
update all underlying structures, use the controller rescan
command. The effect of this command is to verify currently
connected disks or to recognize new disks added to the channel.
This command rescans the disks for the arrays and loads the volatile
array and the partition tables from disks again. If nothing on the
disks has changed, controller rescan should have no visible
effect. However, if any disk partition structures have changed, this
command causes those changes to be reflected in the array and
partition lists in the controller memory. If you add disks to the
controller, the rescan enables you to use those disks.

Syntax

controller rescan
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