Replacing Defective Disks Interactively; Replacing Defective Disks Manually - NEC Express5800/ftServer Administrator's Manual

Administering RAID Arrays

Replacing Defective Disks Interactively

To replace a defective disk, perform the following procedures:
Remove the defective disk and insert a spare disk.
Run the duplex_blank_disk command (see ''The duplex_blank_disk
Command'' on page 5-25).
N O T E
Replacement disks can be new, factory-fresh disks or
disks recycled from other systems. Care must be taken
with recycled disks. The partition table and RAID
superblocks that exist on the disk can confuse the system.

Replacing Defective Disks Manually

To replace a defective disk by manually issuing commands for each step of the
process, perform the following procedures:
Remove the defective disk and insert a spare disk.
Verify that the spare disk is not in use.
Zero the spare disk.
Partition the spare disk to match the running disk.
Add partitions on the spare disk to RAID-1 arrays.
Run the GRUB boot loader (only if the running disk is the system disk).
N O T E
Replacement disks can be new, factory-fresh disks or
disks recycled from other systems. Care must be taken
with recycled disks. The partition table and RAID
superblocks that exist on the disk can confuse the system.
To remove a defective disk and insert a spare disk
1. Remove the defective disk from any RAID arrays that it belongs to, using the
instructions presented in
2. Physically remove the disk.
3. Insert a spare disk in the slot previously occupied by the defective disk. The drive
spins up automatically.
5-20 Express5800/ftServer: System Administrator's Guide for the Linux Operating System
''Removing a Faulty Mirror'' on page 5-17.