On Tue, Jun 13, 2006 at 07:33:02PM +0100 or thereabouts, David McBride wrote:
> On Tue, 2006-06-13 at 16:31 +0100, Owen Synge wrote:
>
> > 1 We allocate small spaces and reallocate these spaces by VO, with high
> > level tools to make this simple.
>
> I haven't been following the entire thread, but would it not be possible
> to use an LVM[0] to partition the available physical space into
> partitions, one (or more) for each VO?
The spaces don't nescesarily correspond to physical devices. The size of
each space, a directory is specified at creation time though can be expanded,
I expect they can be reduced as well occupency permitting.
You might as well choose physcical partition size to be what ever is
convenient for the sysadmin.
>
> This would then allow for quotas to be adjusted by resizing the
> individual volumes (and the filesystems within). Depending on the
> filesystem being used, the volume could even be resized whilst
> online.[1]
>
> I accept that this is a suboptimal solution, and that direct quota
> support is obviously preferable -- but this may be "good enough" in some
> cases for the time being.
>
> Cheers,
> David
>
> [0] http://sources.redhat.com/lvm2/
> [1] http://evms.sourceforge.net/user_guide/#expandshrink
> --
> David McBride <[log in to unmask]>
> Department of Computing, Imperial College, London
--
Steve Traylen
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http://www.gridpp.ac.uk/
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