[DRBD-user] DRBD stability issues

Florian Haas florian at hastexo.com
Thu Nov 17 09:18:31 CET 2011

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


On 11/17/11 09:06, Nick Morrison wrote:
> 
> On 16 Nov 2011, at 21:01, Florian Haas wrote:
> 
>>> The multi volume feature is quite useful. With this I can for example
>>> switch Primary/Secondary individually if mysql or pgsql crashed without
>>> affecting each other. 
>>
>> Well _that_ you really don't need multi-volume for. :) You could have
>> done that with just two independent resources (with 8.3, as well).
> 
> How many resources can I make?  I have 12 so far (one per virtual machine.)  The machines seem to be coping ok.  Is there any limit, arbitrary or otherwise?

The number of available DRBD devices is set by the "minor_count" module
parameter. The default, iirc, is 32.

Cheers,
Florian

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