Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
>> while partitioning a partition is possible and rather straight-forward, >> it sure isn't standard practice. > > I wasn't actually suggesting to create "partitions in partitions" I just > wasn't aware that the drbd device nodes are partitions and not basic > block devices (like i.e. the /dev/xvdN nodes that xen adds). That > certainly explains the behavior I'm seeing. You're right, technically DRBDs are not harddrive partitions (I think). This had me wondering: What is your backing device? I was assuming you created a DRBD on top of a physical partition. >> Also, please make sure that replication actually works when you mount >> your "inner partitions" this way. I think it should, but I might be >> wrong. > > I'm sure one could make this work but I don't intend to try it. I've > seen people use logical LVM volumes as physical volumes for new volume > groups which *seemed* to work though I didn't know for sure because I > was too busy trying to get out of there. Always fun to see these kinds > of M.C.Escher-esque topologies....as long as I don't have to maintain > them :) Within the DRBD paradigm, this is actually a common and documented approach: http://www.drbd.org/users-guide/s-nested-lvm.html What I'm saying is: You *are* mounting nested partitions using kpartx. I'd be interested in whether this is supported and works wrt. replication. Cheers, Felix