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On 20/08/2015 6:58 PM, "Matthew Vernon" <<a href="mailto:mcv21@cam.ac.uk">mcv21@cam.ac.uk</a>> wrote:<br>
><br>
> Hi,<br>
><br>
> > Are you sure LVM only uses the DRBD device to write data to and not the<br>
> > backend disk? We've had this issue in the past and this was caused by<br>
> > LVM which scans all the devices for PV's, VG's and LV's and sometimes<br>
> > pick the wrong device. You can fix this by changing the filter in the<br>
> > lvm.conf file. If you change this, don't forget to remove the LVM cache<br>
> > file first and then to rescan everything.<br>
><br>
> I'm reasonably sure, yes - I have LVM configured to use drbd devices thus:<br>
><br>
> preferred_names = [ "^/dev/drbd" ]<br>
><br>
> Regards,<br>
><br>
> Matthew<br>
><br>
And since you use dual primary mode you also use cLVM too and cluster aware file system like gfs or ocfs2 right? _______________________________________________<br>
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