[plug] Removing a disk from LVM

Arie Hol arie99 at ozemail.com.au
Fri May 4 23:40:48 WST 2007



On 4 May 2007 at 16:42, Nigel Duff wrote:

> Hi list,
> 
> I am working(remotely) on a fileserver that holds a 5T LVM
> volume.  One of the disks is showing signs of corruption[1] and I
> am trying to remove it using pvmove/vgreduce.  However those
> commands return an "Incorrect metadata area header checksum"
> error. 
> 
> I have tried recovering the physical volume metadata[2] but all
> IDs are correct. The only other information I was able to find
> suggested doing an e2fsck. I have ran a number of these of the
> last few days all finishing saying the filesystem is 51.5%
> contiguous. I still can't use vgreduce[3]. 
> 
> Does anyone have any ideas on what else I might try?
> 

Have you migrated ALL data OFF the volume that you are trying to 
remove/reduce ????

If anything on your system is still pointing at data on the volume you 
are trying to remove - then pvmove/vgreduce are likely to fail.


Regards Arie
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