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From: "Alexander 'Leo' Bergolth" <leo@strike.wu.ac.at>
To: Zdenek Kabelac <zkabelac@redhat.com>,
	LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] LVM hangs
Date: Thu, 16 Nov 2017 12:02:58 +0100	[thread overview]
Message-ID: <64e349d5-51b1-4704-8c2d-ac038929d7e4@strike.wu.ac.at> (raw)
In-Reply-To: <bb7da243-13bd-cb2c-1e83-258a463af38d@redhat.com>

On 2017-11-13 15:51, Zdenek Kabelac wrote:
> Dne 13.11.2017 v 14:41 Alexander 'Leo' Bergolth napsal(a):
>> I have a EL7 desktop box with two sata harddisks and two ssds in a
>> LVM raid1 - thin pool - cache configuration. (Just migrated to this
>> setup a few weeks ago.)
>>
>> After some days, individual processes start to block in disk wait.
>> I don't know if the problem resides in the cache-, thin- or raid1-layer
>> but the underlying block-devices are fully responsive.
>>
> It would be probably nice to see the result of 'dmsetup status'
> 
> I'd have guessed you are probably hitting  'frozen' raid state
> which is unfortunate existing upstream bug.

As it just happened again, I have collected some additional info like
dmsetup status
dmsetup info -c (do the event counts look suspicious?)

https://leo.kloburg.at/tmp/lvm-blocks/2017-11-16/

I don't see any volume in "frozen" state.

I haven't rebooted the box yet. Maybe I provide some more info?

Cheers,
--leo
-- 
e-mail   ::: Leo.Bergolth (at) wu.ac.at
fax      ::: +43-1-31336-906050
location ::: IT-Services | Vienna University of Economics | Austria

  parent reply	other threads:[~2017-11-16 11:02 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-13 13:41 [linux-lvm] LVM hangs Alexander 'Leo' Bergolth
2017-11-13 14:51 ` Zdenek Kabelac
2017-11-13 15:12   ` Alexander 'Leo' Bergolth
2017-11-13 15:20     ` Zdenek Kabelac
2017-11-13 17:41       ` Gionatan Danti
2017-11-13 21:56         ` Zdenek Kabelac
2017-11-16 11:02   ` Alexander 'Leo' Bergolth [this message]
2017-11-16 11:47     ` Zdenek Kabelac
2017-11-16 14:16       ` Alexander 'Leo' Bergolth

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