[DRBD-user] Slow syncall after kernel+drbd upgrade

Lars Ellenberg Lars.Ellenberg at linbit.com
Wed Jan 21 13:34:31 CET 2004

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


/ 2004-01-21 13:10:05 +0100
\ Christian Hammers:

> Hm, as I have to reboot the machines anyway due to a problem 
> with a NIC (which is not involved in DRBD), I will probably rather
> downgrade to 0.6.4 and see what happens there.

yes, you are right, this would be nice to know. though I doubt
that it makes a difference.
anyways, "never change more than one thing at a time" :)
>  
> > > 0: cs:SyncingAll st:Secondary/Primary ns:0 nr:1435652 dw:1435652 dr:0 pe:0 ua:15
> > >         [=====>..............] sync'ed: 26.8% (3668/5004)M
> > >         finish: 0:47:57h speed: 1,319 (1,313) K/sec
> > > 1: cs:SyncingAll st:Secondary/Primary ns:0 nr:1367248 dw:1367248 dr:0 pe:0 ua:15
> > >         [=====>..............] sync'ed: 26.7% (3672/5004)M
> > >         finish: 0:47:40h speed: 1,336 (1,310) K/sec
> > 
> > hm. they still sync at the same time.
> > You are absolutely sure they don't kill performance with seektime
> > on the same spindle?
> 
> Yes, maybe, but as said they did it in about 20mins (for both) with the 
> old 100mbit/s NICs and 2.4.23 + drbd-0.6.4.
> It's started by the Debian scripts and I did not want to fiddle around with
> them, too :)

If the care for drbd.conf, you don't need to. You only need set the
"sync-group" differently.

	Lars Ellenberg



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