[DRBD-user] how to drbd the / filesystem device

Florian Haas florian.haas at linbit.com
Mon May 3 21:30:39 CEST 2010

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


On 05/03/2010 07:26 PM, Joao Ferreira gmail wrote:
> Hello all,
> 
> I've been reading and trying out drbd for the last 3 days. I know this
> may sounds a bit crazy, but... here goes: I realy need to drbd my "/"
> block device.
> 
> I have a basic understanding of drbd and most examples I've seen so far
> point to drbd'ing a specific partition apart from the "core" OS
> partitions like "/", "/var";
> 
> I don't know if drbd'ing the "/" partition is acutally an impossibility
> "just because" or if there are ways to work around this and make the
> kernel be able to boot the drbd and mount the root filesystem on it.
> 
> Like I said: I really don't know if this is a simple thing or a very
> complex workaround or even totally impossible.
> 
> My problem is simple: boss want's it :)

Virtualize. What your boss _really_ wants is probably a fully highly
available server. So, stuff everything that needs to be highly available
into a virtual machine, slap that VM image onto a Pacemaker cluster
whose storage is DRBD backed, use the VirtualDomain agent, and you're
good to go.

Cheers,
Florian



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