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5-1
Chapter 5
RAID Setup Procedure
Each SBA-7222G-T2 blade module supports four hard drives, two per node, which may
be used to create a RAID array.
Important Notes
Please read the following notes and warnings before setting up your RAID array.
5-1 BIOS Setup
Use the BIOS setup to configure to set RAID options. The BIOS setup procedure is
shown below.
NOTE: Before adding a new drive to an array, back up any data contained on
the new drive. Otherwise, all data will be lost.
NOTE: If you stop the BUILD or CLEAR process on a RAID 1 from the ACU, you
can restart it by pressing <C
TRL> + <R>.
NOTE: A RAID 1 created using the QUICK INIT option may return some data
miscompares if you later run a consistency check. This is normal and is not a
cause for concern.
NOTE: The ACU allows you to use drives of different sizes in an array.
However, during a build operation, only the smaller drive can be selected as the
source or first drive.
NOTE: When migrating from single volume to RAID 0, migrating from a larger
drive to a smaller drive is allowed. However, the destination drive must be at
least half the capacity of the source drive.
WARNING: Adaptec does not recommend that you migrate or build an array on
Windows dynamic disks (volumes), as it will result in data loss.
WARNING: Do not interrupt the creation of a RAID 0 using the MIGRATE option. If
you do, you will not be able to restart or to recover the data that was on the
source drive.