[DRBD-user] is it possible/good ? ...

Luciano Miguel Ferreira Rocha strange at nsk.no-ip.org
Fri Jul 7 16:59:19 CEST 2006

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


On Fri, Jul 07, 2006 at 07:44:21PM +0530, Milind Dumbare wrote:
> On Fri, 2006-07-07 at 14:59 +0100, Luciano Miguel Ferreira Rocha wrote:
> > On Fri, Jul 07, 2006 at 03:14:58PM +0200, boka wrote:
> > > Hello,
> > > 
> > > My config is:
> > > 
> > > slackware 10.2,
> > > 2.6.17.2 kernel,
> > > latest stable drbd as a patch for kernel,
> > > three drbd devices:
> > > drbd0 - 50GB, reiserfs
> > > drbd1 - 100GB, reiserfs
> > > drbd2 - 220GB, reiserfs
> > > on divded external array with two scsi controlers.
> > > 
> > > It is fresh installation - no data on discs.
> > > 
> > > Is it possible that syncing drbd2 took about 12h.
> > 
> > 370/(12*3600)*2^10 = 8.77 MB/s
> > 
> > Appropriate, if you only have a 100 Mbps ethernet connection connecting
> > the two servers.
> > 
> > Note that drbd has no way to know whether the discs have no usefull
> > data.
> > 
> > If you wanted drbd to just consider the discs to have the same data,
> > there was a trick posted some times in this mailing list.
> 
> Can you please repeat that trick here, as I have also faced same
> problem. I was able to find --skip-sync option (to drbdsetup) and
> write_gc.pl trick. But confused to use which.

IIRC, it's the write_gc.pl trick. The --skip-sync disables the automatic
sync, it doesn't make drbd consider that the devices are synced.

-- 
lfr
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