On 23/02/14 17:30, Ben RUBSON wrote:
The question is, up to how many concurrent DRBD resources can be running ?

Hi,

A lot. From man drbd.conf (my version is 8.3.15):

minor-count count
    may be a number from 1 to 255.

    Use minor-count if you want to define massively more resources
    later without reloading the DRBD kernel module. Per default the
    module loads with 11 more resources than you have currently in your
    config but at least 32.

Personally, I've not gone much past about 16 resources on any one cluster. Not because of problems encountered going higher, just because I didn't need any more.

Cheers,
Simon

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