Status: New
Owner: ----
New issue 1145 by [email protected]: gnt-backup should export instance
configurations
https://code.google.com/p/ganeti/issues/detail?id=1145
The gnt-backup command is intended "to import and export instances *and
their configurations*" (source: gnt-backup man page, emphasis mine).
However, gnt-backup export does both by taking all the instance data and
its configuration and exporting them to a target node.
It would be really useful if you could pass a flag to gnt-backup export
that would *only* backup instance data in a useful way that can be then
imported with gnt-import to re-create an instance.
You can get instance configuration details with gnt-instance info, but that
isn't a format that can be fed to ganeti to re-create an instance. Instead,
you have to manually look through that and then set the right parameters to
create the instance yourself.
If this is added, then adding --all to that instance configuration data
export would be useful.
Right now, for my backups, I backup /var/lib/ganeti on the master, I run
gnt-cluster info > /var/backups/ganeti_cluster_info and also do
gnt-instance info --all > /var/backups/ganeti_all_instance_info
All of that is then backed up to a remote backup server... it works, but it
isn't convenient if I need to rebuild all of those instances or the cluster.
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