[DRBD-user] syncer performance problem
jeffb at umci.com
Sat Jul 31 00:02:15 CEST 2004
That was it.. The new version is reporting the speed correctly. Sorry
for wasting people's time on a problem that wasn't even a problem, and
was also already fixed :). I kinda feel like a dumb-ass :)..
On Fri, 2004-07-30 at 14:29, Lars Ellenberg wrote:
> / 2004-07-30 16:34:32 -0400
> \ Tim Tregubov:
> > Heya -
> > Same problem here!
> > With a 3ware SATA Raid with 7 Maxtor 7Y250M0 drives.
> > With scp rates are about 25MB/s (from machine1 raid to machine2
> > raid(without drbd))
> > with netcat up to 30MB. (from file on machine1 raid to file on
> > machine2 raid(without drbd))
> > Bonnie shows good performance on the HD's themselves.
> > BUT:
> > [root at topdog root]# cat /proc/drbd
> > version: 0.7.0 svn $Rev: 1438 $ (api:74/proto:74)
> > 0: cs:SyncSource st:Secondary/Secondary ld:Consistent
> > ns:268888 nr:0 dw:0 dr:272000 al:0 bm:16 lo:0 pe:563 ua:778 ap:0
> > [===================>] sync'ed: 99.9% (1058590/1058850)M
> > finish: 68:26:02 speed: 4,396 (4,937) K/sec
> if you use anything before this revision:
> | r1451 | lars | 2004-07-23 16:18:42 +0200 (Fri, 23 Jul 2004) | 1 line
> | Changed paths:
> | M /trunk/drbd/drbd_proc.c
> | fix integer overflow in progress bar
> (and you do: 0.7.0 tgz is 1438 or 1439)
> it may just deisplay the wrong value...
> please verify that by a grep in syslog:
> grep -E "Resync (started|done)" /tmp/2004-07-*/screenlog.1
> and do the calculation yourself, based on the timestamp and the amount
> announced on start.
> just an idea...
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