On Wed, 2009-08-19 at 08:31 -0400, Andrew Guertin wrote:
> Michael Evan Karpeles wrote:
> > *ANDREW:* as always, your input has been insightful and informative.
> > I've been doing a lot of stress testing on some machines at work and
> > have come to realize (and appreciate) what can be done with limited RAM.
> > I definitely put a big stink about going for 16 GB of RAM before but (if
> > it comes down to it) I think 8GB would be sufficient for doing the trick.
> Well I was thinking about peak usage. Assuming we have about 7 or 8 VMs running
> at a time, with each using ~512MB ram, and then 3-4 people actively using the
> server and another 3-4 logged in with stuff left running, we could probably hit
> that 16GB. Now, some of that could be swapped of course, but at server ram
> prices I think 16 wouldn't be unreasonable. Perhaps if we end up with an i7
> though we could get 12GB and take advantage of the triple-channel architecture
> Of course, if we end up needing desktop ram, things change. I only just now
> noticed that desktop ram is cheaper if you're buying 2GB sticks. Prices actually
> go desktop 2G < server 4G < desktop 2G. So if we're stuck with desktop ram we
> could buy 8G of that (cheaply, too, as low as $90) and wait for prices on 4G
> sticks to come down.
> > Andrew, what did you have in mind for RAID schemes? RAID 10? Also, were
> > we looking for hardware raid or software raid? I think your hard drive
> > estimates are about right but it might be nice to look into 4x1TB HDD's
> > so we could potentially serve all of our CSSA tech talk recordings.
> > Granted HDD's are easy enough (and cheap enough) to upgrade in the
> > future. [I'll look into this and shoot an email out at a later point]
> Yeah, raid 10. Possibly through btrfs, depending on how stable it is. I don't
> think we'll need 2TB of storage, but it's not too much more expensive. (Even if
> we keep all our tech talks in uncompressed formats, we should be able to fit 3-4
> years on 1.5 TB)
> > FINALLY -- anyone know the status of the machines in our lab? Haven't
> > been able to tunnel into them in a while.
> My bad, I'm in there a few times a week, and I usually turn stuff off if it
> doesn't look used. e.g. deadowlsurvivor was turned on and no one had logged in
> since it was turned on yesterday. Pong has stayed on, but I figured if someone
> needed one on they'd mail the list to make sure it wasn't turned off.
> Finally, someone came by the other day saying something about a SunBlade 1000?
> Apparently it's now in votey 122 waiting for us to pick it up. Who arranged that
> for us? (I heard something about craigslist?)