Il 23/01/2018 14:32, ceph@xxxxxxxxxxxxxx ha scritto:
I think I was not clear
There are VMs management system, look at
https://fr.wikipedia.org/wiki/Proxmox_VE,
https://en.wikipedia.org/wiki/Ganeti, probably
https://en.wikipedia.org/wiki/OpenStack too
Theses systems interacts with Ceph.
When you create a VM, a rbd volume is created
When you delete a VM, associated volumes are deleted
When you resize a disk, the volume is resized
There is no need for manual interaction at the Ceph level at any way
If I really understood the end of your email, you're stuck with a
deficient VM management system, based on xenserver
Your issues are not Ceph's issues, but xen's;
Half and half.
Xen is just an hypervisor while OpenStack is an orchestrator.
An orchestrator manage by API your nodes (both hypervisors and storages
if you want).
The fact is that Ceph doesn't have an its own web interface while many
other storage services have their own (freeNAS or proprietary service
like lefthand/virtualstorage).
With Ceph you have to install an orchestrator 3rd party in order to have
a clear picture of what is going on.
Which can be ok, but not alway pheasable.
Coming back to my case Xen it's just an hypervisor, not an orchestrator.
So this means that many taks must be accomplished manually.
A simple web interface that wrap few basic shell command can save hours
(and can probably be built within few months starting from the actual
deploy).
I really think Ceph is the future.. but it has to become a service ready
to use in every kind of scenario (with or without orchestrator).
Right now to me seems not ready.
I'm taking a look at OpenAttic right now.
Probably this can be the missing piece.
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