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

Milind Dumbare milind at linsyssoft.com
Fri Jul 7 16:14:21 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, 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.
> - 
> ...Milind




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