[DRBD-user] Asymmetric performance

Guido Guenther agx at sigxcpu.org
Mon Mar 27 12:06:04 CEST 2006

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, Mar 24, 2006 at 04:39:38PM +0100, Guido Guenther wrote:
> performance numbers consistent with writes on the local filesystem. But
> when I write on both devices at the same time (one on server0 and the
> other on server1) I always get 3 times as much throughput on drbd0 than
> on drb1 (dbench/tiobench).
> The problem seems to always be drbd1, it doesn't matter on which server
> of the both the device is mounted.
Is this problem of "unbalanced" throughbut when writing on two drbd
devices from different servers a known one? I'd appreciate any comments.
 -- Guido

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