[DRBD-user] slow disk throughput (fwd)
lmb at suse.de
Thu Jun 19 18:23:56 CEST 2008
On 2008-06-17T12:37:06, Tom Brown <wc-linbit.com at vmail.baremetal.com> wrote:
> 8.0.12 (api:86/proto:86)
> * Two new config options no-disk-flushes and no-md-flushes to disable
> the use of io subsystem flushes and barrier BIOs.
The better and safer option towards higher performance is putting the
metadata on a different spindle, or possibly even on an SSD drive.
Having the metadata and data on the same spindle is going to cause a
significant performance hit due to the AL.
Teamlead Kernel, SuSE Labs, Research and Development
SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg)
"Experience is the name everyone gives to their mistakes." -- Oscar Wilde
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