[DRBD-user] DRBD suitable for Fast Failover ?

Digimer lists at alteeve.ca
Thu May 28 09:50:23 CEST 2015

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

On 28/05/15 02:56 AM, DRBD User wrote:
> My goal is to achieve a failover of about 1-2 seconds.

Almost impossible to do sanely. Fencing is just not that fast... Add in
the overhead of detecting the fault (drbd and corosync), initiating the
fence, confirming it succeeded and then cleaning up locks/replaying FS
journals, etc... 10 seconds would be impressive.

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