[linux-lvm] recovery of a VG - how?

[lejeczek]

On 07/10/2019 17:42, David Teigland wrote:
> On Mon, Oct 07, 2019 at 05:25:15PM +0100, lejeczek wrote:
>> hi guys
>>
>> I have a VG which I try to restore:
>>
>> $ vgcfgrestore --file /etc/lvm/archive/chenbro0.0_00308-2121179640.vg chenbro0.0
>>   /dev/mapper/chenbro_a: Checksum error at offset 428544
>>   Couldn't read volume group metadata from /dev/mapper/chenbro_a.
>>   Metadata location on /dev/mapper/chenbro_a at 428544 has invalid summary for VG.
> The latest upstream version of lvm has some improvements to help recover
> from problems like this.  So, you could try building lvm 2.03.05, and
> running 'vgck --updatemetadata'.  Otherwise, the old approach has been to
> use pvcreate with --restorefile and --uuid, followed by vgcfgrestore.
> (I'd experiment with that using some test devices if possible.)
> Dave
>
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> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

also, is it possible to stop monitoring, or stop whatever is responsible
for flooding the logs with:

...

lrmd[14636]:  notice: chenbro0.1-raid5_monitor_20000:419255:stderr [  
Couldn't read volume group metadata from /dev/mapper/chenbro_m. ]

...

for a time being?

many thanks, L.

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