[DRBD-user] Automating on-line verification

Roland Kammerer roland.kammerer at linbit.com
Fri Jan 6 12:00:37 CET 2017

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

On Fri, Jan 06, 2017 at 06:32:34PM +0800, Jasmin J. wrote:
> Hi!
> I am using DRBD 8.4 in a two server configuration and I discovered that using
>   drbdadm verify r0
> on the side witch is secondary, will also start a verify.
> The manual states, that you should add
>   42 0 * * 0    root    /sbin/drbdadm verify all
> to the crontab to automate this.
> If this is done on both servers is this really OK?

The concurrent verify fails/is not started because there is already one
in progress. So assuming your clock synchronization precision is lower
than the time the verify takes, you end up with one verify.

Regards, rck

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