[pve-devel] ceph osd over zfs volume

Martin Maurer martin at proxmox.com
Fri Apr 18 13:12:06 CEST 2014

Hello Paul,

The basic idea of Proxmox VE Ceph Server and GUI is a well-defined setup with a clearly defined feature set. Easy to setup, easy to maintain and easy to support.
So adding anything which is against this goal makes no sense here.  As soon as Ceph firefly is stable, we will do tests and decide how to integrate.

Testing experimental features like Ceph on zfs is great but nothing for the integration into Proxmox VE Ceph Server GUI.

If someone wants a custom Ceph setup with experimental features, then default Proxmox VE Ceph GUI is probably not the right tool for this.

Best Regards,

Martin Maurer

> -----Original Message-----
> From: pve-devel [mailto:pve-devel-bounces at pve.proxmox.com] On Behalf
> Of Paul Penev
> Sent: Freitag, 18. April 2014 12:28
> To: Dietmar Maurer
> Cc: pve-devel at pve.proxmox.com
> Subject: Re: [pve-devel] ceph osd over zfs volume
> 2014-04-18 10:24 GMT+02:00 Dietmar Maurer <dietmar at proxmox.com>:
> >> Dietmar wrote:
> >> >>>If you want to manage OSDs on ZFS, please also provide patches to
> >> >>>make the GUI able to manage that.
> >>
> >> The gui actually works quite nicely, once the OSD is added by hand
> >> with pveceph createosd.
> >
> > So the most important function will not work on the GUI.
> Well, it is very easy to provide you with a patch that will show all block
> devices and not only the disks in the gui. It is also trivial to patch
> CephTools.pm and Ceph.pm to allow and use information from various block
> devices, and also show it in the gui.
> This would include Zvols, LVM, MD, DRBD and certainly disk partitions (think
> about SSD usage and fast(er) pools on SSD disk partitions).
> However I am refraining from doing so, as I think such a patch will not be
> welcomed by the proxmox team. If I'm under a wrong impression please
> correct me.
> However, if the decision was made that proxmox "gui" will only use disks
> because of "simplicity", then I see nothing wrong with doing some advanced
> tasks on the console, provided they don't break the GUI or misbehave in
> other ways.
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