[ClusterLabs] lvm on shared storage and a lot of...
peljasz at yahoo.co.uk
Tue Apr 25 08:47:15 EDT 2017
On 18/04/17 15:40, Ken Gaillot wrote:
> On 04/18/2017 09:14 AM, lejeczek wrote:
>> On 18/04/17 14:45, Digimer wrote:
>>> On 18/04/17 07:31 AM, lejeczek wrote:
>>>> .. device_block & device_unblock in dmesg.
>>>> and I see that the LVM resource would fail.
>>>> This to me seems to happen randomly, or I fail to spot a pattern.
>>>> Shared storage is a sas3 enclosure.
>>>> I believe I follow docs on LVM to the letter. I don't know what could be
>>>> the problem.
>>>> would you suggest ways to troubleshoot it? Is it faulty/failing hardware?
>>>> many thanks,
>>> LVM or clustered LVM?
>> no clvmd
>> And inasmuch as the resource would start, fs would mount, if I start
>> using it more intensely I'd get more of block/unblock and after a while
>> mountpoint resource failes and then LVM resource too.
>> It gets only worse after, even after I deleted resourced, I begin to
>> see, eg.:
>> [ 6242.606870] sd 7:0:32:0: device_unblock and setting to running,
>> [ 6334.248617] sd 7:0:18:0: [sdy] tag#0 FAILED Result: hostbyte=DID_OK
>> [ 6334.248633] sd 7:0:18:0: [sdy] tag#0 Sense Key : Not Ready [current]
>> [ 6334.248640] sd 7:0:18:0: [sdy] tag#0 Add. Sense: Logical unit is in
>> process of becoming ready
> This feels like a hardware issue to me. Have you checked the SMART data
> on the drives?
>> [ 6334.248647] sd 7:0:18:0: [sdy] tag#0 CDB: Read(10) 28 00 00 00 00 00
>> 00 00 08 00
>> [ 6334.248652] blk_update_request: I/O error, dev sdy, sector 0
for those who might experience similar - make sure your
controller+enclosure fully support mix of SAS&SATA,
otherwise... there will be trouble :)
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