Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 2008-07-10T14:46:43, Stefan Novak <stefan.novak at bnet.at> wrote:
> Hello!
>
> I test the I/O Performance using dm and bonnie. I am confused that the
> drbd Performance is only the half than directly on the /dev/sda device.
> For testing purposes I've only one single node because i want to test
> the I/O of the SCSI Controller, not of DRBD.
You're being hit by the internal metadata. Putting the metadata on
another spindle will make it quite fast.
Regards,
Lars
--
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