[DRBD-user] Problem with replication

Milind Dumbare milind at linsyssoft.com
Mon Dec 11 07:39:44 CET 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 Saturday 09 December 2006 22:52, Daniel van Ham Colchete wrote:
> Kamran,
>
> I fail to see were the problem is. At both sides we have "pe:0 ua:0
> ap:0", and that means that we don't have any pending/unack'd/io
> waiting blocks.
>
> Did you test creating a file on test1, making test1 secondary, making
> test2 primary and cheking if the file exists?
>
> If it doesn't, try sending more info like: logs, drbd.conf, and so...
>
> Best regards,
> Daniel Colchete
>
> On 12/9/06, Kamran Nisar <mkamrannisar at gmail.com> wrote:
> > Hi,
> > i've been bugging the people a lot lately, I had a faulty hard disk due
> > to which sync was repeatedly failing. I have replaced the hard disk, and
> > after the initial sync, every thing seems okie, but just one problem..
> > the data doesn't seem to be replicating !!!
> >
> > test 1 is the primary
> >
> >
> > test2:/home/drbd/DATA/export # cat /proc/drbd
> > version: 0.7.18 (api:78/proto:74)
> > SVN Revision: 2186 build by lmb at chip, 2006-05-04 17:08:27
> >  0: cs:Connected st:Secondary/Primary ld:Consistent
> >     ns:0 nr:314615600 dw:314615600 dr:0 al:0 bm:19200 lo:0 pe:0 ua:0 ap:0
I can see the problem. See network read (nr) is 314615600 here, But.
> >
> >
> >
> > test1:/home/drbd/DATA/export # cat /proc/drbd
> > version: 0.7.14 (api:77/proto:74)
> > SVN Revision: 1989 build by root at test1, 2006-11-30 11:03:07
> >  0: cs:Connected st:Primary/Secondary ld:Consistent
> >     ns:0 nr:0 dw:42668 dr:314623946 al:2411 bm:19200 lo:0 pe:0 ua:0 ap:0
Network send is (ns) is 0 here. What is it? Have you refreshed (DRBD up and 
then down)primary node? Still bu guessing data read at your test1 (dr) is 
seemed to be written at test2 (dw).
> >
> >
> >
> > --
> > Regards
> > M Kamran Nisar,
>
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