[ClusterLabs] lvm on shared storage and a lot of...

[lejeczek]

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,
>> L.
> 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, handle(0x002c)
[ 6334.248617] sd 7:0:18:0: [sdy] tag#0 FAILED Result: 
hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 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
[ 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


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