Hi
I've just been attempting to use DRBD with Xen on CentOS 5.6 and Ubuntu
8.04 LTS using the drbd:resourcename syntax for disks and I've run into
some problems. First, if I try to use that syntax the pygrub complains
about it as Redhat (I've been debugging this on the CentOS side) haven't
backported the drbd: syntax changes to pygrub. I found a pair of patches
to /usr/bin/pygrub and a blkif file on the xensource bugzilla entry
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1438 but it would
appear to me that the patches are broken. They work and allow a guest
using disk [ 'drbd:resourcename ...' ] to be used but starting the one
VM puts *all* DRBD resources on that xen host into primary state. I've
created a working version of the script but the original patch is so
badly broken that I'm sure that anyone who tried to use it would have
noticed so I can't believe that it's still broken 2 years after that
bugzilla!
Is anyone else using drbd: syntax for Xen VM's? Does /usr/bin/pygrub use
'drbdadm sh-resources ' + file around line 682? Or has it already been
fixed in a different way?
Thanks.
Trevor Hemsley
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