[DRBD-user] Number of concurrent resources

Ben RUBSON ben.rubson at gmail.com
Sun Feb 23 18:30:09 CET 2014

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


> I plan to build a DRBD replication protocol C between two storage servers (between 3 when DRBD 9 will be production ready, of perhaps using stacked resources).
> Each server will have up to 36 4TB disks, DRBD will be on top of hard raid array(s).
> 10Gbps network connection.
> 
> However, I don't exactly know how many raid arrays (so how many DRBD resources) to configure.
> Of course, not only one, because if I encounter a full raid array disaster, re-synchronization time of the failed DRBD resource would be too long.
> 
> Goal would be to have quite small raid arrays so that in case of a full raid array disaster, re-synchronization of the failed DRBD resource would be fast.
> 
> The question is, up to how many concurrent DRBD resources can be running ?
> Is there any drawback that could be encountered ?
> Do you have any experience with this ?

Hello,

Any feedback on this topic ?

Thank you very much !

Ben




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