[DRBD-user] drbd write performance slow, per disk 40M/s by dd command

Felix Frank ff at mpexnet.de
Mon Apr 30 16:38:01 CEST 2012

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


Hi,

On 04/26/2012 03:24 AM, zf5984599 wrote:
> I had turned off disk-barrier and disk-flushes in config file, but there
> is no difference.

did you make sure your tunings were applied correctly?
It's advisable to check using "drbdsetup 0 show" (if 0 is indeed the
minor number of the resource under test).

Your 100MBps result looks suspicious to me. Hum.

HTH,
Felix



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