Linux intel1 3.5.0-23-generic #35~precise1-Ubuntu SMP
>________________________________
> From: Luca Fornasari <[email protected]>
>To: DRBD <[email protected]>
>Sent: Friday, May 3, 2013 1:01 PM
>Subject: Re: [DRBD-user] Enabling two primaries break connection
>
>
>
>Hi Louis,
>
>
>What kernel are yuo running?
>
>
>Cheers,
>Luca
>
>
>
>On Fri, May 3, 2013 at 1:41 PM, Louis <[email protected]> wrote:
>
>Hi Thomas,
>>
>>
>>I just tested your scenario on DRBD 8.4.3. It seems fine, connection did not
>>break.
>>While doing the DD, I did change primary / secondary on bob node few times,
>>but the connection never break.
>>
>>
>>The only thing I couldn't run this drbdadm --allow-two-primaries=yes
>><resource>, it give uknown command. But I do have allow-two-primaries setup
>>in my drbd.conf, not sure that make any different?
>>
>>
>>Regards
>>Louis
>>
>>
>>>________________________________
>>> From: Thomas Thrainer <[email protected]>
>>>To: Luca Fornasari <[email protected]>
>>>Cc: [email protected]
>>>Sent: Friday, May 3, 2013 10:00 AM
>>>Subject: Re: [DRBD-user] Enabling two primaries break connection
>>>
>>>
>>>
>>>Hi,
>>>
>>>
>>>Given the fact that I could reproduce the bug regularly, I'm pretty sure
>>>that this is indeed a DRBD bug. Unfortunately I didn't find a bugtracker on
>>>the DRBD site. Is there one? If not, what's the official way to report bugs?
>>>
>>>
>>>For the record, here are the steps to reproduce:
>>> * create a device with primary on alice and secondary on bob
>>> * on alice: while true; do dd if=/dev/zero of=/dev/drbd0; done
>>> * on bob: drbdadm --allow-two-primaries=yes <resource>; drbdadm primary
>>><resource>
>>> * you might have to drbdadm secondary <resource> on bob and then repeat the
>>>previous step in order to produce the bug
>>>
>>>
>>>Log files are as mentioned in the first mail of the thread.
>>>
>>>
>>>Cheers,
>>>Thomas
>>>
>>>
>>>
>>>
>>>
>>>On Tue, Apr 30, 2013 at 2:25 PM, Thomas Thrainer <[email protected]> wrote:
>>>
>>>Hi Luca,
>>>>
>>>>
>>>>I just reproduced the exact same problem using only drbdadm. I also
>>>>inspected the output of the -d option, and drbdadm does the exact same
>>>>thing as Ganeti in this regard.
>>>>
>>>>
>>>>Thanks,
>>>>Thomas
>>>>
>>>>
>>>>
>>>>On Tue, Apr 30, 2013 at 2:18 PM, Thomas Thrainer <[email protected]>
>>>>wrote:
>>>>
>>>>Hi Luca,
>>>>>
>>>>>
>>>>>I'll try the drbdadm method this as soon as I get to it. Right now I have
>>>>>no machines around which are already configured via drbdadm.
>>>>>
>>>>>
>>>>>Note that I have included both logs (secondary and primary) in my first
>>>>>email.
>>>>>
>>>>>
>>>>>I use DRBD 8.4.2 because 8.4.3 didn't compile against my kernel (3.2.27)
>>>>>and I didn't want to put much work into it. I this bug is known and fixed
>>>>>in 8.4.3, I'll might look into compiling against 3.2.27 again.
>>>>>
>>>>>
>>>>>Cheers,
>>>>>Thomas
>>>>>
>>>>>--
>>>>>
>>>>>Thomas Thrainer | Software Engineer | [email protected] |
>>>>>
>>>>>
>>>>>
>>>>>Google Germany GmbH
>>>>>Dienerstr. 12
>>>>>80331 München
>>>>>
>>>>>Registergericht und -nummer: Hamburg, HRB 86891
>>>>>Sitz der Gesellschaft: Hamburg
>>>>>Geschäftsführer: Graham Law, Katherine Stephens
>>>>
>>>>
>>>>
>>>>--
>>>>
>>>>Thomas Thrainer | Software Engineer | [email protected] |
>>>>
>>>>
>>>>
>>>>Google Germany GmbH
>>>>Dienerstr. 12
>>>>80331 München
>>>>
>>>>Registergericht und -nummer: Hamburg, HRB 86891
>>>>Sitz der Gesellschaft: Hamburg
>>>>Geschäftsführer: Graham Law, Katherine Stephens
>>>
>>>
>>>
>>>--
>>>
>>>Thomas Thrainer | Software Engineer | [email protected] |
>>>
>>>
>>>
>>>Google Germany GmbH
>>>Dienerstr. 12
>>>80331 München
>>>
>>>Registergericht und -nummer: Hamburg, HRB 86891
>>>Sitz der Gesellschaft: Hamburg
>>>Geschäftsführer: Graham Law, Katherine Stephens
>>>
>>>_______________________________________________
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>>>http://lists.linbit.com/mailman/listinfo/drbd-user
>>>
>>>
>>>
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