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不停应用更换硬盘

来源:华佗健康网
不停应用,在线更换已作镜像的硬盘

1. Determine which lvol's are mirrored in the volume group of the faulty disk. # lvdisplay -v /dev/vgXX/lvol* | more

2. Reduce any logical volumes that have mirror copies on the faulty disk. # lvreduce -m 0 /dev/vgXX/lvolX /dev/dsk/cXtXd0 (for 1 way mirroring) # lvreduce -m 1 /dev/vgXX/lvolX /dev/dsk/cXtXd0 (for 2 way mirroring) NOTE: You must repeat the lvreduce for every lvolX on the faulty disk.

3. Reduce the volume group.

# vgreduce /dev/vgXX /dev/dsk/cXtXd0

4. Replaced the faulty hot swap disk.

5. Initialize the replaced disk for LVM. # pvcreate -f /dev/rdsk/cXtXd0

6. Extend the volume group.

# vgextend /dev/vgXX /dev/dsk/cXtXd0

7. Restore the volume group information. # vgcfgrestore -n /dev/vgXX /dev/rdsk/cXtXd0

8. Activate the volume group containing the replaced disk. # vgchange -a y /dev/vgXX

9. The volume group will now resynchronize the mirroring. NOTE: If the resync does not occur, issue this command: # vgsync /dev/vgXX

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