[DRBD-user] Reducing loadavg / iowait?

Bernd Schubert bernd.schubert at pci.uni-heidelberg.de
Tue Aug 2 17:16:55 CEST 2005

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

Hello Leroy,

On Tuesday 02 August 2005 16:48, Leroy van Logchem wrote:
> Best mailinglist,
> I'am using drbd on three heartbeat enabled clusters doing nfs and samba
> only.
> The performance is quite okay but we experience high load averages and
> iowait.
> Ideas to improve the setup are most welcome.
> Primary side:
> -----------------
> cat /proc/loadavg
> 11.65 11.66 12.64 1/284 11563

what it the purpose of your server, so what it is doing?

> -----------------
> resource drbd0 {
>     protocol               C;

Depending on your requirements regarding the data safety you could try to use 
protocol A or B, we are using B and are quite pleased.


Bernd Schubert
Physikalisch Chemisches Institut / Theoretische Chemie
Universität Heidelberg
INF 229
69120 Heidelberg
e-mail: bernd.schubert at pci.uni-heidelberg.de

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