[tech] morwong's disks

[Grahame Bowland]

On Thu, 2003-08-14 at 01:05, Adrian Chadd wrote:
> On Wed, Aug 13, 2003, James Andrewartha wrote:
> > Morwong now has 5x 9gig and 1x4 gig disks. Currently, 2 9s and one are in
> > use, with /home wholly using one of the 9s. This means we have 4x 9gig
> > disks available for /home. There are several options:
> > 
> > o Software RAID 5 across all 4 disks. Gives 27gig usable space, some
> >   redundancy, some CPU hit.
> > 
> > o Two RAID 1 sets containing 2 disks each, added to the one domain. Gives
> >   18gig usable space, good redundancy, little CPU usage (comparatively).
> 
> I'd do this. If the free space was kept high, life would be all sweet.
> IO performance wouldn't suck. Since we have many, many small files 
> I'd suggest keeping something rather fat like a 2 and a bit gig freespace
> allotment.
> 
> I'm sure you can do that kinda shit under advfs but if you can't would
> a big group quota suffice? I know wheel users can still abuse their
> rewt but still..
> 
> FYI, this evenings run:
> 
> Top 5 Homedirs by usage: /home/wheel/
> 974615 /home/wheel//nick/
> 666941 /home/wheel//trs80/
> 353375 /home/wheel//mtearle/
> 322122 /home/wheel//matt/
> 300982 /home/wheel//yakk/
> 
> 
> Top 5 Homedirs by usage: /home/ucc/
> 504031 /home/ucc//knight/
> 397116 /home/ucc//tieryn/
> 374589 /home/ucc//chas/
> 370093 /home/ucc//zarquin/
> 357053 /home/ucc//packrat/
> 
> thats 2.6gig by the wheel users and 2.0 gig by the gumby users.
> Thats, like, 30% of space being used by 10 users. And they consistent
> increase nightly. Damned mail.

And there's no real need for it - especially if it's just storing large
email archives and random gunk. I know it builds up, and if it's source
trees for UCC stuff then it makes sense, but... :-)

Everyone in wheel has other places to archive mail with more storage
than morwong.

-- 
Grahame Bowland                             broad ways they shall bear
<grahame at angrygoats.net>                     the names of his two sons
                                                  and the greatness of