Infortrend RAID Controller Manual

The added capacity will be included in the logical drive
automatically, meaning that you do not have to perform "expand
logical drive" later. However, if the logical drive has already been
mapped with a host LUN, you have to map the added capacity to
another host ID/LUN to make use of it. As diagrammed above, in
"View and Edit Host LUN," the original capacity is 9999MB, its host
LUN mapping remains unchanged and the added capacity appears
as the second partition.
IMPORTANT!
• Expansion can only be performed on RAID 0, 3 and 5 logical drives. Expansion
cannot be performed on an NRAID or RAID 1 logical drive.
• Expanding logical drives by adding more SCSI hard disk drives can not be canceled
once started. If a power failure occurs, the Expansion will be paused and the
controller will NOT automatically continue the expansion when the power comes
back on. Resumption of the RAID expansion must be performed manually.
• If a member drive of the logical drive fails during RAID expansion, the expansion
will be paused. The expansion will resume automatically after logical drive rebuild
has been completed.
Advanced Configurations 10-5