On Sat, Jul 10, 2010 at 02:32:59PM -0600, Mike Lovell wrote: > i want to say that drbd can detect changes to the underlying block > devices and do the needful. but i don't know for sure. to be safe, > one should consider that any changes to the underlying block device, > such as the those that happen with volume being mounted RW, are not > replicated through drbd automatically. before the secondary server > can be used, one would need to re-do the mounts on the master, force > a sync, and wait for the sync to complete. drbdadm invalidate on the > secondary or invalidate_remote on the primary can be used for force > a full resync.
As long as you directly access the underlying block device there is absolutely no point in using DRBD. Actually, if you _mount_ the underlying device, DRBD cannot even attach it. To use DRBD, you have to, well, use DRBD. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed _______________________________________________ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user
