On Tue, Dec 11, 2012 at 9:44 PM, Paul Shannon - NOAA Federal
<[email protected]> wrote:
> I'm trying to setup DRBD for the first time on a 2-node cluster using DRBD
> over a lvm lvgroup. I believe I have set it up just as outlined in sec10.2
> of the DRBD User's Guide. My r0.res is setup with:
> resource 0 {
Is this a cut & paste error? Unless this is in fact "r0" rather than
"0", I wouldn't expect "drbdadm <command> r0" to work.
> volume 0 {
> device /dev/drbd1;
> disk /dev/vg_ajksjnusrv/lv_shared;
> meta-disk internal;
> }
> on ajk-s-jnusrv1.jnu.nwsar.gov {
> address 10.0.64.1:7789;
> }
> on ajk-s-jnusrv2.jnu.nwsar.gov {
> address 10.0.64.2:7789;
> }
> }
>
> lvscan shows
> ACTIVE '/dev/vg_ajksjnusrv/lv_shared' [1.91 TiB] inherit
>
> drbdadm create-md r0 works fine. But when I try drbdadm up r0 I get
> 1: Failure: (104) Can not open backing device.
> Command 'drbdsetup attach 1 /dev/vg_ajksjnusrv/lv_shared
> /dev/vg_ajksjnusrv/lv_shared internal' terminated with exit code 10
>
> /var/log/messages says
> block drbd1: open("/dev/vg_ajksjnusrv/lv_shared") failed with -16
-16 is -EBUSY (Device or resource busy). Are you sure nothing has that
device open?
Hope this is useful.
Cheers,
Florian
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