[volunteergrid2-l] Phase 1 Complete!

[Shawn Willden]

On Fri, Apr 6, 2012 at 10:32 AM, erpo41 at gmail.com <erpo41 at gmail.com> wrote:

> Yeah, that big yellow 2.3TB blob would be the rest of the data on my
> array. :/ I'm not sure what would be the best way to fix that. I have a 4TB
> raid6 array and a LUKS layer on top of it. Inside that is an ext4
> filesystem holding my data. I would be happy to convert to having lvm on
> top of the array and create a luks LV for my data and another LV for
> volunteergrid2, but I don't know if that conversion can be done
> non-destructively.
>
I'm not sure either; I haven't used LUKS.  My guess is that it would be
destructive, so you'd need somewhere to back the 4 TB up to -- which is
painful even if you have some other medium for it.

Another, somewhat hackish but actually reasonably-performant option is to
create an 800 GB volume in a loopback file system.

The other solution would be to modify tahoe to report the number of bytes
> used in .tahoe instead of the number of bytes used on the filesystem, which
> sounds easier.
>
Easier, but not necessarily as useful, because it would still show all of
your available space as space available to the grid, even if you're
planning on putting other stuff in it.

It would be really nice if the "available storage" graphs on the stats page
showed space truly available for grid use.

-- 
Shawn
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