[DRBD-user] Re: drbd is performing at 12 MB/sec on recent

Lars Ellenberg lars.ellenberg at linbit.com
Mon Oct 20 12:33:50 CEST 2008

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

On Sat, Oct 18, 2008 at 09:18:33PM +0200, Petersen, Joerg wrote:
> Well, my experience is that 8.0.7 is the fastest DRDB...
> Later Versions just got slower!
> Try: no-disk-flushes
> and: no-md-flushes
> if you are using DRBD >= 8.0.13
> Not completely same to 8.0.7 but near to it...

to recommend a known buggy version for imagined performance reasons is
not particular HA.

> Hi Lars,
> I did these:
> node1:/opt # hdparm -t /dev/drbd0

> Do these tests make any sence?

if you care for write performance,
why are you doing read benchmarks?

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

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