[DRBD-user] Diconnected drbd as very fast backup solution ?

David Stanaway david at stanaway.net
Wed Oct 21 02:22:41 CEST 2009

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

Jakov Sosic wrote:
> On Thu, 15 Oct 2009 14:13:21 +0200
> Christoph Adomeit <Christoph.Adomeit at gatworks.de> wrote:
>> What I want to know: is there anything wrong with running a drbd
>> cluster where the second node is disconnected most of the time ? Will
>> some memory or buffers run out of space or such things ? Is the
>> performance of a disconnected drbd disk far slower than the
>> performance of a native lvm volume ? Is there any other reason why I
>> should not use this setup in this use case ?
> I cannot answer to those questions, but I would like to see some howto
> written for the scenario you described. If you could post it somewhere,
> it would be great!

I would be careful to consider the impact of a full resync should it
ever be needed. If that is impossible once fully deployed, then you
could have a problem in the works.

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