> Hello,
>
> Let's assume the following configuration :
> disk {
> c-plan-ahead 0;
> resync-rate 680M;
> c-min-rate 400M;
> }
>
> Both nodes are uptodate, and on the primary, I have a test IO burst running,
> using dd.
>
> I then cut replication link for a few minutes so that secondary node will be
> several GB behind primary node.
>
> I then re-enable replication link.
> What I expect here according to the configuration is that secondary node will
> fetch missing GB at a 400 MB/s throughput.
> DRBD should then prefer resync IOs over application (dd here) IOs.
>
> However, it does not seems to work.
> dd still writes at its best throughput, meanwhile reads are made from the
> primary disk between 30 and 60 MB/s to complete the resync.
> Of course this is not the expected behaviour.
>
> Did I miss something ?
Lars, DRBD team,
May I have your point of view regarding this ?
Thank you very much for your support,
Ben
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