[pve-devel] MooseFS storage plugin

[Benjamin]

Indeed, right now everything could be covered by the directory plugin.

I plan to add snapshots via mfssnapshot and some other features.

On Tue, Apr 19, 2022, 6:14 PM Fabian Grünbichler <f.gruenbichler at proxmox.com>
wrote:

> On April 19, 2022 4:15 am, Benjamin via pve-devel wrote:
> > I've hacked together a really basic first try.
> >
> > https://github.com/Zorlin/pve-moosefs/blob/main/MooseFSPlugin.pm
> >
> > I'm getting this error which I don't fully understand -
> >
> > Can't locate object method "mkpath" via package "/mnt/mfs" (perhaps you
> > forgot to load "/mnt/mfs"?) at
> > /usr/share/perl5/PVE/Storage/Custom/MooseFSPlugin.pm line 111. (500)
>
> the current state seems to be basically equivalent to the following
> (which doesn't require a custom plugin ;)):
> - ensure moosefs gets mounted (.mount unit, fstab, ..) at boot
> - dir plugin entry with is_mountpoint set
>
> the first part is handled by activate_storage in your plugin, the second
> part makes the dir plugin only active (or activatable) if something is
> mounted at the configured path (otherwise, failure to mount the moosefs
> would lead to using the local empty mountpoint dir, which is of course
> not desired!)
>
> might be an avenue worth exploring if all the interaction between PVE
> and the storage besides the storage activation itself is via dir
> semantics/the dir plugin code ;) of course if there are more aspects
> that do require interacting with the moosefs server when doing certain
> storage operations, a custom plugin is the way to go (with all the
> caveats Thomas already mentioned).
>
>