i use XCP 0.5 with a NFS storage repository and normally i do daily snapshots from all VMs i have, as follow:
1) create snapshot
2) export snapshot to file
3) delete snapshot
One day I get the VM error "Snapshot chain is too long". I notice however that this appears to only VM's with more than 1 attached virtual disk. In my case I have a couple VM's with 2 disks, and there were many orphaned copies of only 1 of the 2 disks. >From OpenXenManager is not possible to delete these snapshots..
I read a problem like this on Xencenter forum
and the solution is
Does someone know how to fix this bug on XCP 0.5 ?