Maxed (Dec 16 2010)

The extended outages are not just server related but sanity related. It's nice to have several days a week where it doesn't matter what the systems are doing and we can get other work done. That said, I think if things are turning out well we can certainly reduce our regular outages.

- Matt
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-- BOINC/SETI@home network/web/science/development person
-- "Any idiot can have a good idea. What is hard is to do it." - Jeanne-Claude

The extended outages are not just server related but sanity related. It's nice to have several days a week where it doesn't matter what the systems are doing and we can get other work done. That said, I think if things are turning out well we can certainly reduce our regular outages.

- Matt

The extended outages are not just server related but sanity related. It's nice to have several days a week where it doesn't matter what the systems are doing and we can get other work done. That said, I think if things are turning out well we can certainly reduce our regular outages.

- Matt

Would be a 'Dell PowerEdge 2800, 2x (2x 2.8 GHz) XEON' helpful, or not well/useful for SETI@home?

I don't have this server, but I know someone - maybe he would donate this server..
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>Das Deutsche Cafe. The German Cafe.<

Job Stress I can relate to. Its also something I hadnt thought of for seti. Before reading Matts response, I was thinking maybe we could donate for a dedicated nitpckr server so we wouldnt have to go thru anymore 3 day outages.

I could deal with another 3 day outage as long as we didnt get ghosts.

I can not imagine any kind of system admin without stress.

Having worked in a 24/7 environment(for Sutaru) they would need absolute full redundancy, being able to switch back and forth ALL servers at the first glitch, full battery strings plus backup generator..

When they have the first extra million laying around they might be able to start thinking about it. In which case it would be some time after they find E.T.

If they need 3 days, 3 days is reasonable. If they can cut it back to 2.5(off tuesday morning, on thursday night) that would be awesome. There is still some fine tuning between the last servers going in. And more work is ahead.

...
It's nice to have several days a week where it doesn't matter what the systems are doing ...

We're back to shoveling out workunits as fast as we can. I mentioned in another thread that the gigabit link project is still alive. In fact, the whole lab is interested in getting gigabit connectivity to the rest of campus, which makes the whole battle a lot easier (we'll still have to buy our own bits and get the hardware to keep them separate). Still, it's slow going due to campus staff cutbacks and higher priorities.

We're back to shoveling out workunits as fast as we can. I mentioned in another thread that the gigabit link project is still alive. In fact, the whole lab is interested in getting gigabit connectivity to the rest of campus, which makes the whole battle a lot easier (we'll still have to buy our own bits and get the hardware to keep them separate). Still, it's slow going due to campus staff cutbacks and higher priorities.

Now that, at least temporarily, the balance between server power and communications has swung towards the servers, would it be worth re-considering the compression of MB workunit files before transmission? Not much to be gained (and nothing at all for the incompressible AP files), but every little helps - and it would give Oscar something to do when he's bored ;-)

We're back to shoveling out workunits as fast as we can. I mentioned in another thread that the gigabit link project is still alive. In fact, the whole lab is interested in getting gigabit connectivity to the rest of campus, which makes the whole battle a lot easier (we'll still have to buy our own bits and get the hardware to keep them separate). Still, it's slow going due to campus staff cutbacks and higher priorities.

Now that, at least temporarily, the balance between server power and communications has swung towards the servers, would it be worth re-considering the compression of MB workunit files before transmission? Not much to be gained (and nothing at all for the incompressible AP files), but every little helps - and it would give Oscar something to do when he's bored ;-)

I don't know how compressable the data is, but it might well be worth the effort to save the bandwidth.

I don't know if anyone has ever written a lossless compression algorithm for CUDA, but I'd think it might actually be a very good match, and might allow any of the modern servers in the closet that can add a video card to do a significant chunk of compression, while using a GPU rather than a CPU.

Well worth considering after the hardware is sorted out and working efficiently again.

I don't know if anyone has ever written a lossless compression algorithm for CUDA, but I'd think it might actually be a very good match, and might allow any of the modern servers in the closet that can add a video card to do a significant chunk of compression, while using a GPU rather than a CPU.

You don't want to watch DVDs or play games in a server closet.

Well....
The pipe is no longer maxxed out.

Could the limits be raised now so some of us can do a bit of cache filling before the already announced 3 day outage coming up on Tuesday?

Pleeeeeeeeez?
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In memory of my loving friend and companion, Squirrel.
April 12, 1995 - November 12, 2013


18 years, 8 months of unconditional love.

You don't want to watch DVDs or play games in a server closet.

Then again, it might give them some entertainment with as much time as they've been spending in there lately! :)

You don't want to watch DVDs or play games in a server closet.

Then again, it might give them some entertainment with as much time as they've been spending in there lately! :)

OK, your employer / Finance Director (the one who did the deal to buy the server) doesn't want you to be watching DVDs or playing games - ever!

Meanwhile, we are wasting bandwidth.

Let's get them limits raised or lifted.
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In memory of my loving friend and companion, Squirrel.
April 12, 1995 - November 12, 2013


18 years, 8 months of unconditional love.