[DRBD-user] drbd device

Kamran Nisar mkamrannisar at gmail.com
Thu Nov 30 12:53:30 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.


right..

the drbd module wasn't loaded once the machine rebooted... had to take care
of that...
yepsh, thats was the secondary node.

on the primary
after creating a filesystemon /dev.drbd0, rebooting and loading the drbd
module, I am not  able to start drbd on the machine.


the stratup lines stays hanged for a while, then display the following error
meeesage


test1:~ # drbdadm up all
Child process does not terminate!
Exiting.


test1:~ # ps aux | grep drbd
root      6221  0.0  0.0      0     0 ?        D    11:58   0:00
[drbd0_worker]
root      6224  0.0  0.0      0     0 ?        D    11:58   0:00
[drbd0_receiver]
root      6231  0.0  0.0   1360   276 pts/1    D    11:58   0:00
/sbin/drbdsetup /dev/drbd0 down
root      6595  0.0  0.0   1360   268 pts/1    S    12:47   0:00
/sbin/drbdsetup /dev/drbd0 disk /dev/md0 internal -1 --on-io-error=detach
--size=300G


The proc/drbd in the meanwhile. displayes the following result


test1:~ # 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:Unconnected st:Secondary/Unknown ld:Inconsistent
    ns:3992 nr:0 dw:0 dr:12096 al:0 bm:257 lo:0 pe:23 ua:2024 ap:0
 1: cs:Unconfigured


On 11/30/06, Ralf Gross <Ralf-Lists at ralfgross.de> wrote:
>
> Kamran Nisar said:
> > i would be replicating the entire /dev/md0 .. as per the tutorials i
> read,
> > i am not supposed to mount this device, and let drbd handle it. thats
> fine..
> > but why do i need to create a file system on /dev/drbd0, and how will I
> > access the files on /dev/md0, since i can't mount it or anything..
>
> You use /dev/drbd0 to access you data, /dev/md0 is the underlying device.
> For mkfs, mount... you use the drbd device.
>
> > other than that.. I formatted /dev/drbd0 on one system using mkreiserfs,
> ,
> > completed successfully and i rebooted server, and the /dev/drbd0 has
> > dissappeared..
>
> Do you have a working init script that starts drbd? What about the module?
>
> Furthermore you may have to execute 'drbdadm primary all' after reboot on
> your primary node - or use heartbeat.
>
> > On the other system it won't let me format the dev/drbd0 saying "could
> not
> > open /dev/drbd0 Read only filesystem"
>
> I guess that's the secondary node?
>
> Ralf
>
>
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> drbd-user at lists.linbit.com
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>



-- 
Regards
M Kamran Nisar,
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