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System Administration
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how to remove a physical disk

Frequent Advisor

how to remove a physical disk

Can anyone help me to remove a disk, mounted in /data2, without mirroring.
Acclaimed Contributor

Re: how to remove a physical disk

Just remove?

Umount the file system, remove the entry from fstab, delete LV and VG.

Consider to use SAM for this.

Hope this helps!

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Sajjad Sahir
Honored Contributor

Re: how to remove a physical disk

1)please Backup all data
2) Umount the filesystem
umount /data2
3) remove the Logical volume
lvremove /dev/vg01/lvname
u should be sure that the disk is not in use:
pvdisplay /dev/dsk/c#t#d#
Look at line starting with Allocated PE the number at the end
of the line should be 0. If it is not the disk is still in use.
2) Remove the disk
vgreduce /dev/vg01 /dev/dsk/c1t6d0
If you are using single pv in VG then u can export it to remove from vg.But it should be deactivate first.
#vgchange -a n vgname
#vgexport vgname

thanks and regards

Sajjad Sahir
Suraj K Sankari
Honored Contributor

Re: how to remove a physical disk

Read the attached file When_Good_Disks_Go_Bad.pdf