Matt was able to get us 1.6 TB of data (enough for a day and a half) by first transferring the data to Google storage, then to Berkeley. The problem appears to be somewhere in the internet2 route between Berkeley and Green Bank. We're pushing on campus networking to consider it a real problem (they keep asking if we've checked our cables, even though the problem exists on several machines).

More news tomorrow, we hope.

Problem might be upstream from campus and they don't fix that so they give the standard fix your cables.

I do remember one time where I was having issues reaching LHC@Home from my home machine but my work machine a dozen miles away but on a different ISP had no issues. A trace route showed a failed router at some network interchange point on the East Coast before the packets should have crossed the Atlantic, the other ISP used a totally different route. Didn't even have a clue who it belonged to so no way to pitch a bitch.

Well, the experienced campus network people should know their network topology and if there is an issue upstream should be able determine where the slowdown is happening. Then they have to raise a trouble ticket with that network tier level about the issue. Who knows how fast that link tech support will respond?

So anyone want to comment on my idea of just FedEx'ing some drives to Berkeley?

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

So anyone want to comment on my idea of just FedEx'ing some drives to Berkeley?

How to fund it?

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Grant
Darwin NT

That assumes the tapes are removable (like Arecibo) , or if they have extras to take their place. They might just read and dump down the pipeline then rewrite. Not to mention the cost of FedEx as opposed to cableline.

edit..

Grant beat me to it..

I would think the department has $50 in petty cash for the delivery costs. The only thing that I can see that might be a hindrance, as Zalster comments, is that they don't have any spare drives to move the data onto for shipment.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

I would think the department has $50 in petty cash for the delivery costs.

Don't know about the US, but here $50 would get you 2 boxes, 2 drives in each box, air freight. Maybe.

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Grant
Darwin NT

OK, haven't shipped anything FedEx for a few years. Rates have gone up. 1 lb Fedex medium box (assuming for 1 drive) from Green Bank to Berkeley, Priority Overnight = $89.04. 2nd day AM = $42.88

So not too far off my estimate, at least for 2nd day delivery.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

I don't know in what format the Green Bank data is stored. If it is on physical drives, couldn't you just overnight them via FedEx? Assuming you have the correct hardware on your end to mount them and get the data into the splitters, wouldn't that keep us going for a few more days until campus networking gets off their Level One script reader response?

Unfortunately Breakthrough needs the drives for daily observations, so we can't pull and ship the way we did with Arecibo. (That and they are in a fairly large raid configuration, so we'd probably need to ship all of them).

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@SETIEric@qoto.org (Mastodon)

Rates have gone up. 1 lb Fedex medium box (assuming for 1 drive) from Green Bank to Berkeley, Priority Overnight = $89.04. 2nd day AM = $42.88

*sound of jaw hitting ground*

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Grant
Darwin NT

Unfortunately Breakthrough needs the drives for daily observations, so we can't pull and ship the way we did with Arecibo. (That and they are in a fairly large raid configuration, so we'd probably need to ship all of them).

Thanks for that. I thought I had read that somewhere but didn't want to misspeak. We'll muddle through the best we can.

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Thanks for chiming in on my idea Eric. I always like to know the technical particulars of any system I use.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

The other day we were told that the outage was longer than usual because they had to run down the hill to the CoLo to change drives and reboot kit. Wasn't the whole idea of moving the servers from the closet to the Data Centre because of better cooling, UPS facilities, faster network links, and on-site staff to hot-swap drives and re-boot kit?

I wondered about that post too. Why wasn't the staff at the colo able to just swap drives and reboot. Aren't we paying for that 24 hour staff resource? Why didn't that happen?

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

That would only work if the project had sufficient spare drives of the "right type" down at the coloc, otherwise someone has to "run down the hill" to re-stock the spares, remove the deads and do some general face to face stuff.

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Bob Smith
Member of Seti PIPPS (Pluto is a Planet Protest Society)
Somewhere in the (un)known Universe?

hope it comes back on soon. I've two computers sitting idle doing nothing at the moment.

Yes, I remember that too. There were supposed to be ready spares on site at the colo. When you contract for server space and maintenance at server farms, you normally contract for the labor to maintain those server resources. That means ready spares, staff to replace drives and even have them ship the defective hardware off to the manufacturer for warranty replacement under either your shipping account or the contracted organizations shipping account.

That has been my experience in past jobs with robotic data library companies. So what services did we actually contract for at the colo?

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

There may be problems with third parties maintaining our rather eclectic collection of bespoke servers. IIRC, it matters which order they're rebooted so that all the interconnect mount points can be established. Our staff may prefer to do it themselves, knowing that we're watching over their shoulders for the slightest glitch.

It depends whether all our failing drives are in accessible hot-swap bays.

So anyone want to comment on my idea of just FedEx'ing some drives to Berkeley?

Done and it only took -5 years...... I guess those drives got repurposed.

Also if there is a mysterious slowdown on a GBT <-> Berkeley data link, I'm wondering if it's being caused by the dreaded post-net-neutrality that was being worried about, depending on who's the link provider. Worth checking if everything else fails I guess.

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Just got new work. Awesome

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