[linux-lvm] metadata device too small
Ede Wolf
listac at nebelschwaden.de
Sat Jan 11 22:07:05 UTC 2020
Forgot to add the journal output, though I do not think this raises chances:
kernel: device-mapper: table: 253:8: thin: Couldn't open thin internal
device
kernel: device-mapper: ioctl: error adding target to table
Am 11.01.20 um 23:00 schrieb Ede Wolf:
> So I reverted (swapped) to the _meta0 backup, that had been created by
> --repair, that brought me back to the transaction error, then I did a
> vgcfgbackup and changed the transaction id to what lvm was expecting and
> restored it, and, wohoo, the thinpool can be activated again.
>
> However, when trying to activate an actual volume within that thinpool:
>
> # lvchange -ay VG_Raid6/data
> device-mapper: reload ioctl on (253:8) failed: No data available
>
> And that message holds true for all lv of that thinpool.
>
>
> Am 11.01.20 um 18:57 schrieb Ede Wolf:
>> After having swapped a 2,2T thinpool metadata device for a 16GB one,
>> I've run into a transaction id mismatch. So run lconvert --repair on
>> the thinvolume - in fact, I've had to run the repair twice, as the
>> transaction id error persisted after the first run.
>>
>> Now ever since I cannot activate the thinpool any more:
>>
>> [root]# lvchange -ay VG_Raid6/ThinPoolRaid6
>> WARNING: Not using lvmetad because a repair command was run.
>> Activation of logical volume VG_Raid6/ThinPoolRaid6 is prohibited
>> while logical volume VG_Raid6/ThinPoolRaid6_tmeta is active.
>>
>> So disable them and try again:
>>
>> [root]# lvchange -an VG_Raid6/ThinPoolRaid6_tdata
>> WARNING: Not using lvmetad because a repair command was run.
>>
>> [root]# lvchange -an VG_Raid6/ThinPoolRaid6_tmeta
>> WARNING: Not using lvmetad because a repair command was run.
>>
>> [root]# lvchange -ay VG_Raid6/ThinPoolRaid6
>> WARNING: Not using lvmetad because a repair command was run.
>> device-mapper: resume ioctl on (253:3) failed: Invalid argument
>> Unable to resume VG_Raid6-ThinPoolRaid6-tpool (253:3).
>>
>> And from the journal:
>>
>> kernel: device-mapper: thin: 253:3: metadata device (4145152 blocks)
>> too small: expected 4161600
>> kernel: device-mapper: table: 253:3: thin-pool: preresume failed,
>> error = -22
>>
>>
>> Despite not using ubuntu, I may have been bitten by this bug(?), as my
>> new metadata partion happens to be 16GB:
>>
>> "If pool meta is 16GB , lvconvert --repair will destroy logical volumes."
>>
>> https://bugs.launchpad.net/ubuntu/+source/lvm2/+bug/1625201
>>
>> Is there any way to make the data accessible again?
>>
>> lvm2 2.02.186
>>
>>
>> _______________________________________________
>> linux-lvm mailing list
>> linux-lvm at redhat.com
>> https://www.redhat.com/mailman/listinfo/linux-lvm
>> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>>
>
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm at redhat.com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
More information about the linux-lvm
mailing list