[Lustre-discuss] drbd async mode

Mag Gam magawake at gmail.com
Sat Aug 30 13:35:43 PDT 2008


Sorry Andrea, I would like to know this too. Hopefully someone here
has done this before. Its worth a wiki



On Thu, Aug 14, 2008 at 3:05 AM, Andrea Frittoli
<andrea.frittoli at gmail.com> wrote:
> I'm trying a Lustre + DRBD set-up, I would like to use DRBD with the
> following setup:
>
> on MDS: DRBD emulates an MDT on shared storage. From Lustre
> perspective one MDS is active, the other is passive
> on OSS: BRBD emulates two OST on shared storage for each OSS couple.
> >From Lustre perspective each OSS is active for one OST and passive for
> the other.
>
> I'm planning to use DRBD in active/passive mode, so that the storage
> is mounted only on the active server, and luster is mounted on top.
> I'm not sure how to sync the mount/umount of the DRBD partition and
> the mount of MDT/OST upon failover.
>
> The target setup shall have 2 MDS (1 couple) and 8 OST (4 couples),
> dedicate LANs for heartbeat and drbd.
>
> Do you have any details of your setup you may share about this?
>
> TIA!
>
>
> On Aug 12, 4:50 am, "Mag Gam" <magaw... at gmail.com> wrote:
>> Ha yes..I seen this before Sebastein. :-)
>>
>> I wanted to see if other people have tried it and their thoughts were.
>>
>> thats all
>> TIA
>>
>> On Mon, Aug 11, 2008 at 2:33 AM, Sébastien Buisson
>>
>> <sebastien.buis... at bull.net> wrote:
>> > Hello,
>>
>> > I ran some tests with DRBD and Lustre a few months ago (including in async
>> > mode). You can find my modest findings here on the Lustre wiki :
>> >http://wiki.lustre.org/index.php?title=Drbd_And_Lustre
>>
>> > Cheers,
>> > Sebastien.
>>
>> > Mag Gam a écrit :
>>
>> >> Has anyone been using DRBD and Lustre in async mode? I was curious
>> >> what type of speeds you were getting and also what network are you
>> >> using?
>>
>> >> TIA
>> >> _______________________________________________
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