[linux-lvm] replacing a failling disk on a mirrred VG.

[Georges Giralt]

Jonathan E Brassow a écrit :
> This one should be pretty easy...
> 
> Effectively, you want to keep the primary mirror devices, so do:
> lvconvert -m0 <vg/lv>
> to down convert them to linear devices.
> 
> Then remove PV1 (vgreduce), add a new disk to your system, add it to 
> your vg (vgextend), and finally, up-convert the linear devices to 
> mirrors again:
> lvconvert -m1 <vg/lv>
> 
>  brassow
> 
> On Feb 4, 2007, at 12:53 PM, Georges Giralt wrote:
> 
>> Hi !
>> I run A Fedora Core 6 box with
>> lvm> version
>>   LVM version:     2.02.17 (2006-12-14)
>>   Library version: 1.02.13 (2006-11-28)
>>   Driver version:  4.10.0
>> lvm>
>> on a 2.6.19 kernel.
>> My VG comprises 3PV  onto which I've spread 4 mirrored LVs.
>> PV 0 : LV1 mirror copy 0, LV2 mirror copy 0, lv3 mirror copy 0 and lv4 
>> mirror copy 0
>> PV 1 : LV1 mirror copy 1, LV2 mirror log, LV3 mirror log and LV4 
>> mirror copy 1
>> PV2 : LV1 mirror log, LV2 mirror copy 1 , LV3 mirror copy 1 and LV4 
>> mirror log.
>> I plan to replace (Smart signals a future failure) the PV #1.
>> Question : What is the best route to do this ? And is it feasible ?
>> Thanks a lot in advance for your answer !
Hi Brassov !
Your method was like a walk in a park.
Thanks !

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