On Tue, Sep 1, 2009 at 8:50 AM, Florian Haas<florian.h...@linbit.com> wrote: > On 09/01/2009 08:30 AM, Andrew Beekhof wrote: >> only one layer of the stack is ever able to migrate. >> >> a resource can only migrate if its location and ordering pre-requisits >> are satisfied on the source and target nodes. >> clearly this can't be true for drbd _and_ something running on top of >> it (since drbd wouldn't be on the target yet). > > That's what I was afraid of. :) This leaves me with handling DRBD state > transitions at the resource level like we currently do for Xen > (http://www.drbd.org/users-guide/s-xen-configure-domu.html) which is not > generic, has a lot of caveats (like support from pygrub and qemu-dm), > and most importantly, forces me to take control over DRBD away from > Pacemaker. > > I had hoped there would be a better solution. Seems like there isn't. :(
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