[DRBD-user] performance issues with DRBD :(

Lars Ellenberg lars.ellenberg at linbit.com
Thu Dec 10 19:11:58 CET 2009

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

On Thu, Dec 10, 2009 at 05:00:05PM +0100, Jakov Sosic wrote:
> I've tried LACP too, and I have exact the same problems with drbd. When
> DRBD is disconnected, device gives me double to triple performance, also
> changing from protocol C to A or B gives no significant improvement.

Then maybe you are simply looking in the wrong direction.

exactly same hardware?
exactly same kernel and stuff?
io scheduler? -> use deadline.

otherwise: we sell "DRBD Healthchecks" ;)

: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com

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