[linux-lvm] mirrored LV + cmirror problem
Michael Eisenkölbl
michael.eisenkoelbl at cargo-partner.com
Fri Feb 15 13:36:51 UTC 2008
we have also several problems with 6 TB volumes.
kind regards
Lajkó Attila schrieb:
>
> The VTrak LUNs are 1 and 5GB. The PVs are on a 240 MB partition on
> each luns , the LV size is 160 MB. It's just a test.
>
> Attila.
>
> On Feb 15, 2008, at 1:02 PM, Michael Eisenkölbl wrote:
>
>> how big are the LUNs?
>>
>> michael
>>
>> Lajkó Attila schrieb:
>>> Hello,
>>>
>>>
>>> I have a problem with clvmd an cmirror:
>>>
>>> We have a two nodes cluster (RHEL4.6). I created a mirrored LV on a
>>> clustered volume group on 2 iscsi LUNS (VTrak M200i).
>>> When i disconnect one of the LUNs - simulating a storage problem -
>>> the mirrored LV doesn't go to linear mode, the LVM commands (lvs,
>>> lvconvert, etc.) get stuck and the GFS file system is not accessible
>>> (on both nodes).
>>>
>>> What is see in /var/log/messages:
>>>
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: server_complete_resync_work
>>> - Setting recovery_halted = 1
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: Log flush failure: -5 -EIO
>>> Feb 15 12:29:26 el42 last message repeated 4 times
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: Log flush failure: -5 -EIO
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: Recovery halted due to
>>> error on ItlWCmkP
>>> Feb 15 12:29:26 el42 lvm[4929]: WARNING:
>>> dev_open(/dev/mapper/mirrp3) called while suspended
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: LOG INFO:
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: uuid:
>>> LVM-zEHPYfjtLCL7yqQhsG2kcPzthyLbyBPd7xlok1gd7NHgXR3l2XaVQWEVItlWCmkP
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: uuid_ref : 1
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: log type : disk
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: ?region_count: 320
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: ?sync_count : 320
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: ?sync_search : 320
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: in_sync : YES
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: suspended : NO
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: recovery_halted : YES
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: server_id : 2
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: server_valid: YES
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: cluster_presuspend:
>>> recovery halted on ItlWCmkP(1)
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: cluster_postsuspend
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: Telling everyone I'm
>>> suspending (ItlWCmkP)
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: LRT_MASTER_LEAVING(13):
>>> (ItlWCmkP)
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: starter : 2
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: co-ordinator: 0
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: node_count : 0
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: LRT_MASTER_LEAVING(13):
>>> (ItlWCmkP)
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: starter : 2
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: co-ordinator: 0
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: node_count : 2
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: LRT_ELECTION(10): (ItlWCmkP)
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: starter : 2
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: co-ordinator: 57005
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: node_count : 0
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: LRT_ELECTION(10): (ItlWCmkP)
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: starter : 2
>>> Feb 15 12:29:26 el42 lvm[4929]: WARNING: dev_open(/etc/lvm/lvm.conf)
>>> called while suspended
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: co-ordinator: 1
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: node_count : 2
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: LRT_SELECTION(11): (ItlWCmkP)
>>> Feb 15 12:29:26 el42 kernel: dm-cmirror: starter : 2
>>> Feb 15 12:29:27 el42 kernel: dm-cmirror: co-ordinator: 1
>>> Feb 15 12:29:27 el42 kernel: dm-cmirror: node_count : 2
>>> Feb 15 12:29:27 el42 kernel: dm-cmirror: LRT_MASTER_ASSIGN(12):
>>> (ItlWCmkP)
>>> Feb 15 12:29:27 el42 kernel: dm-cmirror: starter : 2
>>> Feb 15 12:29:27 el42 kernel: dm-cmirror: co-ordinator: 1
>>> Feb 15 12:29:27 el42 lvm[4929]: Failed to remove faulty devices in
>>> vgtest-lvtest
>>> Feb 15 12:29:27 el42 kernel: dm-cmirror: node_count : 1
>>> Feb 15 12:29:27 el42 kernel: dm-cmirror: Suspending now (ItlWCmkP)
>>> Feb 15 12:29:28 el42 lvm[4929]: No longer monitoring mirror device
>>> vgtest-lvtest for events
>>>
>>> Regards,
>>> Attila Lajkó
>>>
>>> _______________________________________________
>>> 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/
>>
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>
>
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