[DRBD-user] blocking I/O with drbd

Felix Frank ff at mpexnet.de
Mon Dec 19 17:38:39 CET 2011

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


On 12/19/2011 05:08 PM, Volker wrote:
> What i do expect is that DRBD does a LOCAL speed of more than 1.5MB/s.
> Please see my earlier emails doing dd with oflag=direct.

point taken, I admit I didn't have all that in consideration.

Your conclusions sound quite to the point. However, be aware that the
syncer rate does *not* limit the bandwidth used by online block
replicatio (of course, that's irrelevant as long as your DRBD is limping


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