[linux-lvm] pvresize will cause a meta-data corruption with error message "Error writing device at 4096 length 512"

[Ingo Franzki]

On 11.09.2019 12:03, Ilia Zykov wrote:
> Maybe this?
> 
> Please note that this problem can also happen in other cases, such as
> mixing disks with different block sizes (e.g. SCSI disks with 512 bytes
> and s390x-DASDs with 4096 block size).
> 
> https://www.redhat.com/archives/linux-lvm/2019-February/msg00018.html

And the fix for this is already available upstream (Thanks David!):
https://sourceware.org/git/?p=lvm2.git;a=commit;h=0404539edb25e4a9d3456bb3e6b402aa2767af6b
> 
> 
> On 11.09.2019 12:17, Gang He wrote:
>> Hello List,
>>
>> Our user encountered a meta-data corruption problem, when run pvresize command after upgrading to LVM2 v2.02.180 from v2.02.120.
>>
>> The details are as below,
>> we have following environment:
>> - Storage: HP XP7 (SAN) - LUN's are presented to ESX via RDM
>> - VMWare ESXi 6.5
>> - SLES 12 SP 4 Guest
>>
>> Resize happened this way (is our standard way since years) - however - this is our first resize after upgrading SLES 12 SP3 to SLES 12 SP4 - until this upgrade, we
>> never had a problem like this:
>> - split continous access on storage box, resize lun on XP7
>> - recreate ca on XP7
>> - scan on ESX
>> - rescan-scsi-bus.sh -s on SLES VM
>> - pvresize  ( at this step the error happened)
>>
>> huns1vdb01:~ # pvresize /dev/disk/by-id/scsi-360060e80072a660000302a6600003274
>>  Error writing device /dev/sdaf at 4096 length 512.
>>  Failed to write mda header to /dev/sdaf fd -1
>>  Failed to update old PV extension headers in VG vghundbhulv_ar.
>>  Error writing device /dev/disk/by-id/scsi-360060e80072a660000302a66000031ec at 4096 length 512.
>>  Failed to write mda header to /dev/disk/by-id/scsi-360060e80072a660000302a66000031ec fd -1
>>  Failed to update old PV extension headers in VG vghundbhulk_ar.
>>  VG info not found after rescan of vghundbhulv_r2
>>  VG info not found after rescan of vghundbhula_r1
>>  VG info not found after rescan of vghundbhuco_ar
>>  Error writing device /dev/disk/by-id/scsi-360060e80072a660000302a66000031e8 at 4096 length 512.
>>  Failed to write mda header to /dev/disk/by-id/scsi-360060e80072a660000302a66000031e8 fd -1
>>  Failed to update old PV extension headers in VG vghundbhula_ar.
>>  VG info not found after rescan of vghundbhuco_r2
>>  Error writing device /dev/disk/by-id/scsi-360060e80072a660000302a660000300b at 4096 length 512.
>>  Failed to write mda header to /dev/disk/by-id/scsi-360060e80072a660000302a660000300b fd -1
>>  Failed to update old PV extension headers in VG vghundbhunrm02_r2.
>>
>> Any idea for this bug?
>>
>> Thanks a lot.
>> Gang
>>
>>
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>> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>>
> 
> 
> 
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> 


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Ingo Franzki
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