[linux-lvm] mirrored LV + cmirror problem

[Lajkó Attila]

Yes, I disconnected the lun via the Vtrak GUI from one of the nodes  
(el4).

Attila

On Feb 18, 2008, at 5:08 PM, Jonathan Brassow wrote:

> How are you performing the failures?  It looks like just one machine  
> is loosing its connection to the device, while the other machines  
> links remain in place.
>
> brassow
>
> On Feb 17, 2008, at 6:49 AM, Lajkó Attila wrote:
>
>> Here is the output of vgreduce:
>> ftp://ftp.ulx.hu/upload/clvmd/vgreduce.tar.gz
>>
>> Attila
>>
>>
>> 2008. febr. 15, 22:06 DU dátummal Jonathan Brassow <jbrassow at redhat.com 
>> >
>> ezt írta:
>>
>>> If the problem is reproducible, we should be able to track it down.
>>>
>>> When a failure happens, the kernel sends an event to userspace that
>>> signals 'dmeventd' to take action. If we take dmeventd out of the
>>> picture, we can run the commands ourselves with higher verbose
>>> settings.
>>>
>>> When you activate the volume, you can 'lvchange -ay --monitor n  
>>> <vg>/
>>> <lv>' - this will prevent dmeventd from monitoring the mirror. Then
>>> kill the log device. Finally, run 'vgreduce --removemissing <VG> -
>>> vvvv' to perform the recovery. (redirecting all the output to a file
>>> will give us something to look at if the failure is reproduced.)
>>>
>>> We may need to grab debugging output from clvmd too, but that can  
>>> get
>>> messy, so we'll start with this.
>>>
>>> brassow
>>>
>>> P.S. It looks like you must have *.debug; in your /etc/syslog.conf,
>>> yes?
>>>
>>> On Feb 15, 2008, at 10:17 AM, Lajkó Attila wrote:
>>
>>
>>
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>
>
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