[DRBD-user] drbd 0.7.12 has an extremely slow sync speed.

Lars Ellenberg Lars.Ellenberg at linbit.com
Mon Aug 29 18:35:41 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.

/ 2005-08-29 10:22:09 -0600
\ Jeff Fisher:
> Hey all,
> I know there is already a thread on this; however, I just joined the list.
> I had been using drbd 0.7.11 on two machines (P4 3Ghz machines w/ 1 gig
> of ram each and a SCSI hardware RAID1 hdd setup -- of which 50gig is
> setup for drbd) and I was use to seeing  38,000 to 42,000 K/sec sync
> speeds on the initial sync.
> I upgraded to drbd 0.7.12 and to test I invalidated the remote side and
> started a full sync. The fastest sync speed I saw was 88 K/sec.
> I am using the same config with both 0.7.11 and 0.7.12 and the syncer
> option is set to 50M.

please provide the output of
 drbdsetup /dev/drbd0 show

: Lars Ellenberg                                  Tel +43-1-8178292-0  :
: LINBIT Information Technologies GmbH            Fax +43-1-8178292-82 :
: Schoenbrunner Str. 244, A-1120 Vienna/Europe   http://www.linbit.com :
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