Silicon Graphics TP9400 RAID Owner's Manual page 136

7: Drive Enclosure Component Replacement Procedures
116
enclosure and restore the data from backup media. This is the safest way to exchange
drives without losing data. However, this method may take a long time to complete
because of the backup, reconfiguration, and restoration processes. In addition, other
users will not be able to use the drive enclosure until you finish the procedure. You must
use this method on RAID 0 logical units (LUNs).
Use the following procedure to replace all drives at the same time. All the data currently
on the drives will be lost when you replace the drives. You must use this method if you
are upgrading drives containing RAID 0 volumes.
1. Read the following:
• The information in the section "Upgrading Drives" on page 114.
• The information in your software documentation regarding drive
upgrades/installation.
• The documentation shipped with the new drives.
Read all precautionary notes, kit instructions, and other information. Kit
instructions often contain the most current information regarding the drives and
their installation, plus upgrade or servicing procedures. Compare the kit
instructions with this procedure to determine if you need to modify this procedure.
2. Check the storage management software (TPSSM7) and repair all reported
problems.
3. Perform a complete backup of the drives you are replacing.
You need the backup to restore data on the drives later in this procedure.
4. Shut down all I/O activity on the drive enclosure.
Make sure the drive Activity indicators on the front are not blinking.
5. Turn off both power switches on the rear of the drive enclosure.
6. Remove the drives that you intend to replace. Wearing antistatic protection, lift
(open) the lever of the drive sleds. Pull out the drive sleds (see Figure 7-1 on
page 102).
7. Unpack a new drive. Save the packing material and documentation in case you
need to return the drive.
8. Slide the new drive sled fully into a slot.
9. Lower (close) the lever.
10. Repeat steps 7 through 9 until you have installed all the new drives.
007-4304-003