Out of the Frying Pan (Feb 17 2010)

Author	Message
Matt Lebofsky Volunteer moderator Project administrator Project developer Project scientist Send message Joined: 1 Mar 99 Posts: 1375 Credit: 74,079 RAC: 0	Message 970983 - Posted: 17 Feb 2010, 22:51:35 UTC
Well, shoot. Right at the end of the work day yesterday the air conditioning unit failed. What's worse is that the cause is still a complete mystery. When the campus A/C techs came up in the early evening they just pressed the reset button and it came back to life. But that was after a panicked fury of shutting down every server possible to save their lives. Eric was the first on the scene and smelled burned plastic, heard broken fans, and quickly started unplugging everything he could. I came up later after the A/C was on to get the web servers going again (so people could at least see we were still alive). This morning rolled up our sleeves and surveyed the damage, which actually wasn't too bad. We definitely lost one UPS, and possibly a power supply in one of our file servers (though it seems okay for now). Eric's hydrogen survey server seemed to take the brunt of the damage, and he was ready to reinstall the OS on what disks remained visible to the system, when suddenly after the nth reboot all drives were visible again and all data was still intact. Well, that was a pleasant surprise. Still, there was a bit of RAID and database recovery on various servers, which is why the project largely remained offline until the end of the day today. This is still going on, so we probably won't be fully back to normal until tomorrow morning at the earliest. - Matt ____________ -- BOINC/SETI@home network/web/science/development person -- "Any idiot can have a good idea. What is hard is to do it." - Jeanne-Claude
ID: 970983 ·

Claggy Volunteer tester Send message Joined: 5 Jul 99 Posts: 3365 Credit: 25,951,744 RAC: 1,177	Message 970987 - Posted: 17 Feb 2010, 22:56:01 UTC - in response to Message 970983.
Thanks for the update Matt. Claggy
ID: 970987 ·

perryjay Send message Joined: 20 Aug 02 Posts: 3359 Credit: 9,657,227 RAC: 10,317	Message 970989 - Posted: 17 Feb 2010, 22:57:48 UTC - in response to Message 970983.
Thanks Matt and all the rest of the crew too. ____________ PROUD MEMBER OF Team Starfire World BOINC
ID: 970989 ·

Radford Bunker Send message Joined: 12 Mar 09 Posts: 8 Credit: 2,296,844 RAC: 2,039	Message 970996 - Posted: 17 Feb 2010, 23:13:26 UTC
Thanks Matt. Sounds like a Murphy Strike. Rad
ID: 970996 ·

Link Send message Joined: 18 Sep 03 Posts: 671 Credit: 1,185,848 RAC: 730	Message 970998 - Posted: 17 Feb 2010, 23:13:51 UTC - in response to Message 970983. Last modified: 17 Feb 2010, 23:15:14 UTC
smelled burned plastic, heard broken fans How hot was it in there? Are the systems not automatically shuting down, when overheating? ____________ .
ID: 970998 ·

Richard Haselgrove Volunteer tester Send message Joined: 4 Jul 99 Posts: 7459 Credit: 39,702,666 RAC: 34,269	Message 971000 - Posted: 17 Feb 2010, 23:21:19 UTC
Matt, Uploads have been problematic since well before the air conditioning failure, and well before the Tuesday maintenance window, too - since around 09:00 PST Monday morning, judging by the first post in Number Crunching.. I'm currently getting: 17/02/2010 23:09:28\|SETI@home\|[file_xfer] Started upload of file 25fe07ac.28421.12751.16.10.119_1_0 17/02/2010 23:09:29\|\|[http_debug] [ID#14] info: About to connect() to setiboincdata.ssl.berkeley.edu port 80 (#0) 17/02/2010 23:09:29\|\|[http_debug] [ID#14] info: Trying 208.68.240.16... 17/02/2010 23:09:29\|\|[http_debug] [ID#14] info: Connected to setiboincdata.ssl.berkeley.edu (208.68.240.16) port 80 (#0) 17/02/2010 23:09:29\|\|[http_debug] [ID#14] Sent header to server: POST /sah_cgi/file_upload_handler HTTP/1.1 User-Agent: BOINC client (windows_intelx86 5.10.13) Host: setiboincdata.ssl.berkeley.edu Accept: / Accept-Encoding: deflate, gzip Content-Type: application/x-www-form-urlencoded Content-Length: 288 17/02/2010 23:09:29\|\|[http_debug] [ID#14] Received header from server: HTTP/1.0 503 Service Unavailable 17/02/2010 23:09:29\|\|[http_debug] [ID#14] Received header from server: Content-Type: text/html 17/02/2010 23:09:29\|\|[http_debug] [ID#14] Received header from server: Content-Length: 53 17/02/2010 23:09:29\|\|[http_xfer_debug] HTTP: wrote 53 bytes 17/02/2010 23:09:29\|\|[http_debug] [ID#14] info: Expire cleared 17/02/2010 23:09:29\|\|[http_debug] [ID#14] info: Closing connection #0 17/02/2010 23:09:30\|SETI@home\|[file_xfer] Temporarily failed upload of 25fe07ac.28421.12751.16.10.119_1_0: http error That HTTP/1.0 503 Service Unavailable suggests something might still need kicking.
ID: 971000 ·

Dena Wiltsie Send message Joined: 19 Apr 01 Posts: 987 Credit: 393,733 RAC: 196	Message 971002 - Posted: 17 Feb 2010, 23:38:21 UTC
For a while my job depended on a system cooled by an air conditioner that I could not depend on. My solution was to get one of these and wire it into an extension cord so I could connect all the non-replaceable equipment to it. I then set it to about 80 F and had no worries about failed hardware. The catch is you must make sure your backups are up to date as the power down will be very hard and in my case the raid lost a drive often when it was powered down (very old drives). ____________
ID: 971002 ·

Rick Send message Joined: 3 Dec 99 Posts: 79 Credit: 11,485,038 RAC: 15	Message 971007 - Posted: 17 Feb 2010, 23:50:07 UTC - in response to Message 971002.
For a while my job depended on a system cooled by an air conditioner that I could not depend on. My solution was to get one of these and wire it into an extension cord so I could connect all the non-replaceable equipment to it. I then set it to about 80 F and had no worries about failed hardware. The catch is you must make sure your backups are up to date as the power down will be very hard and in my case the raid lost a drive often when it was powered down (very old drives). Plug a UPS into it that has the ability to trigger a graceful shutdown of the systems when the power fails. So long as the UPS has the capacity to keep power to the systems during the shutdown you should be in good shape. ____________
ID: 971007 ·

S@NL - Eesger Send message Joined: 7 Oct 01 Posts: 384 Credit: 27,305,846 RAC: 31,242	Message 971008 - Posted: 17 Feb 2010, 23:50:10 UTC - in response to Message 970983.
... they just pressed the reset button... It's the Microsoft way.. and heck it works more ofthen then one would think ;) ____________ The SETI@Home Gauntlet 2012 april 16 - 30\| info / chat \| STATS
ID: 971008 ·

Link Send message Joined: 18 Sep 03 Posts: 671 Credit: 1,185,848 RAC: 730	Message 971011 - Posted: 17 Feb 2010, 23:55:55 UTC - in response to Message 971002.
For a while my job depended on a system cooled by an air conditioner that I could not depend on. My solution was to get one of these (...) I think there are more than enough software based solutions, which will nicely power down the system, if something is overheating. Alternatively, if software not possible, one could try to simulate pressing the power button. That will also gracefully shut down the system. ____________ .
ID: 971011 ·

Dena Wiltsie Send message Joined: 19 Apr 01 Posts: 987 Credit: 393,733 RAC: 196	Message 971012 - Posted: 18 Feb 2010, 0:01:23 UTC - in response to Message 971007. Last modified: 18 Feb 2010, 0:04:17 UTC
For a while my job depended on a system cooled by an air conditioner that I could not depend on. My solution was to get one of these and wire it into an extension cord so I could connect all the non-replaceable equipment to it. I then set it to about 80 F and had no worries about failed hardware. The catch is you must make sure your backups are up to date as the power down will be very hard and in my case the raid lost a drive often when it was powered down (very old drives). Plug a UPS into it that has the ability to trigger a graceful shutdown of the systems when the power fails. So long as the UPS has the capacity to keep power to the systems during the shutdown you should be in good shape. It was a P390 running OS2 Warp and VM/ESA. It was so old it didn't have any idea what a smart UPS was. The hard drive failure would happen just because it stopped turning. On the other hand, I would have to do a cold start on VM/ESA but we never lost a byte of data with that set up. I am not sure other operating systems would be as forgiving so I provided a warning. We did have a UPS but it's main function was to filter power glitches. One danger of putting the switch on the UPS is additional heat will be generated while the UPS reaches it's shutdown point. My room was not much large than a closet so when things overheated, they needed to be shut down fast. The system was up 24 hours a day and often would be unattended so the failure would most likely happen when no one was around to lay hands on the system. ____________
ID: 971012 ·

RottenMutt Send message Joined: 15 Mar 01 Posts: 929 Credit: 182,505,468 RAC: 197,130	Message 971015 - Posted: 18 Feb 2010, 0:20:19 UTC - in response to Message 970983. Last modified: 18 Feb 2010, 0:22:13 UTC
When the campus A/C techs came up in the early evening they just pressed the reset button and it came back to life. i sure hope you took note as to where the reset switch is... cricket still shows little activity, you must still be down and some of my rigs are out of work for the GPU's and others will be out soon (hours)... ____________
ID: 971015 ·

dbryce Send message Joined: 23 Dec 99 Posts: 4 Credit: 906,647 RAC: 0	Message 971017 - Posted: 18 Feb 2010, 0:31:48 UTC - in response to Message 971012. Last modified: 18 Feb 2010, 0:32:29 UTC
It was a P390 running OS2 Warp and VM/ESA. It was so old it didn't have any idea what a smart UPS was. The hard drive failure would happen just because it stopped turning. On the other hand, I would have to do a cold start on VM/ESA but we never lost a byte of data with that set up. I am not sure other operating systems would be as forgiving so I provided a warning. We did have a UPS but it's main function was to filter power glitches. One danger of putting the switch on the UPS is additional heat will be generated while the UPS reaches it's shutdown point. My room was not much large than a closet so when things overheated, they needed to be shut down fast. The system was up 24 hours a day and often would be unattended so the failure would most likely happen when no one was around to lay hands on the system. I remember that box!! <g> In my 'previous life' we were running one of those and we had a 'UPS on steroids' that would power the machine for, I think, 2 hours. It might even have powered our 'server farm', but that was 6.5 years ago and my memory is iffy. Doug
ID: 971017 ·

frank Send message Joined: 14 May 99 Posts: 1 Credit: 330,757 RAC: 3	Message 971053 - Posted: 18 Feb 2010, 2:33:13 UTC
thanks matt. was sure worried why its been off so long. thank you for your work their [/b] ____________
ID: 971053 ·

1mp0£173 Volunteer tester Send message Joined: 3 Apr 99 Posts: 8423 Credit: 356,897 RAC: 0	Message 971079 - Posted: 18 Feb 2010, 4:20:57 UTC - in response to Message 971002.
For a while my job depended on a system cooled by an air conditioner that I could not depend on. My solution was to get one of these and wire it into an extension cord so I could connect all the non-replaceable equipment to it. I then set it to about 80 F and had no worries about failed hardware. The catch is you must make sure your backups are up to date as the power down will be very hard and in my case the raid lost a drive often when it was powered down (very old drives). Most anything semi-modern supports some sort of "dumb" signaling from a UPS. It uses a normal serial port, and only the handshake lines. A line goes "low" to signal "low battery" and the UPS waits for the system to drop a handshake line back when it is safe for the UPS to turn off. One could build a "UPS" whose only job was to signal low battery when the temperature got above a certain temperature, and kill power when the system said "okay." Power would be restored when it got cold enough. Or not. ____________
ID: 971079 ·

Bob1701a Send message Joined: 11 Apr 00 Posts: 9 Credit: 6,726,481 RAC: 3,480	Message 971080 - Posted: 18 Feb 2010, 4:22:19 UTC - in response to Message 970983.
The smart-ass in me made me write this..... The A/C died and it's too hot? It's winter, it's 25 degrees and snowing...open the windows. That'll cool you off. ____________
ID: 971080 ·

gizbar Send message Joined: 7 Jan 01 Posts: 586 Credit: 21,087,774 RAC: 0	Message 971082 - Posted: 18 Feb 2010, 4:25:01 UTC
Blasted A/C! Now we're out of the frying pan, can we just avoid the fire this time? ;-) Good job guys. Trying to recover some data off a laptop drive for someone at the moment. Of course, there isn't a backup, and this is the *4th* system I'm trying to recover just recently. The battery has gone in the laptop and seeing as it is a normal P4@3.00Ghz, the PSU is struggling to supply everything now too. I've had to take the hdd out and attach it to a desktop. After the usual virus checks etc, I started a chkdsk over 10 hours ago and it's less than halfway through! Oh well. At least it keeps me busy while you guys were up to your eyeballs in it. Gizbar. [/i] ____________ *A proud GPU User Server Donor!*
ID: 971082 ·

Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 5059 Credit: 40,900,433 RAC: 52,798	Message 971089 - Posted: 18 Feb 2010, 4:43:47 UTC - in response to Message 971080.
The smart-ass in me made me write this..... The A/C died and it's too hot? It's winter, it's 25 degrees and snowing...open the windows. That'll cool you off. Not from that part of the world, but i don't think it snows too often at Berkeley. And most server rooms don't have windows, let alone ones that open. ____________ Grant Darwin NT.
ID: 971089 ·

Joori Send message Joined: 2 Nov 07 Posts: 1 Credit: 3,436,062 RAC: 0	Message 971093 - Posted: 18 Feb 2010, 4:52:49 UTC
Nice to hear everything is almost back to normal. Unfortunate that alot of work units were aborted while trying to upload them as their deadline had passed during the downtime. A have a feeling more will be aborted as they are still unable to be uploaded.. Kinda dissapointed but what can ya do aye? You win some, you lose some - gotta keep on truckin' ! :) ____________
ID: 971093 ·

1mp0£173 Volunteer tester Send message Joined: 3 Apr 99 Posts: 8423 Credit: 356,897 RAC: 0	Message 971095 - Posted: 18 Feb 2010, 5:05:40 UTC - in response to Message 971080.
The A/C died and it's too hot? It's winter, it's 25 degrees and snowing...open the windows. That'll cool you off. Assuming the server room is near an outside wall and has openable windows, of course. ____________
ID: 971095 ·

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Matt Lebofsky
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Well, shoot. Right at the end of the work day yesterday the air conditioning unit failed. What's worse is that the cause is still a complete mystery. When the campus A/C techs came up in the early evening they just pressed the reset button and it came back to life.

But that was after a panicked fury of shutting down every server possible to save their lives. Eric was the first on the scene and smelled burned plastic, heard broken fans, and quickly started unplugging everything he could. I came up later after the A/C was on to get the web servers going again (so people could at least see we were still alive).

This morning rolled up our sleeves and surveyed the damage, which actually wasn't too bad. We definitely lost one UPS, and possibly a power supply in one of our file servers (though it seems okay for now). Eric's hydrogen survey server seemed to take the brunt of the damage, and he was ready to reinstall the OS on what disks remained visible to the system, when suddenly after the nth reboot all drives were visible again and all data was still intact. Well, that was a pleasant surprise.

Still, there was a bit of RAID and database recovery on various servers, which is why the project largely remained offline until the end of the day today. This is still going on, so we probably won't be fully back to normal until tomorrow morning at the earliest.

- Matt

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

ID: 970983 ·

Claggy

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Thanks for the update Matt.

Claggy

ID: 970987 ·

perryjay

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Thanks Matt and all the rest of the crew too.
____________

PROUD MEMBER OF Team Starfire World BOINC

ID: 970989 ·

Radford Bunker
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Thanks Matt.

Sounds like a Murphy Strike.

Rad

ID: 970996 ·

Link

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smelled burned plastic, heard broken fans

How hot was it in there? Are the systems not automatically shuting down, when overheating?
____________
.

ID: 970998 ·

Richard Haselgrove

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Matt,

Uploads have been problematic since well before the air conditioning failure, and well before the Tuesday maintenance window, too - since around 09:00 PST Monday morning, judging by the first post in Number Crunching..

I'm currently getting:

17/02/2010 23:09:28|SETI@home|[file_xfer] Started upload of file 25fe07ac.28421.12751.16.10.119_1_0
17/02/2010 23:09:29||[http_debug] [ID#14] info: About to connect() to setiboincdata.ssl.berkeley.edu port 80 (#0)
17/02/2010 23:09:29||[http_debug] [ID#14] info: Trying 208.68.240.16...
17/02/2010 23:09:29||[http_debug] [ID#14] info: Connected to setiboincdata.ssl.berkeley.edu (208.68.240.16) port 80 (#0)
17/02/2010 23:09:29||[http_debug] [ID#14] Sent header to server: POST /sah_cgi/file_upload_handler HTTP/1.1
User-Agent: BOINC client (windows_intelx86 5.10.13)
Host: setiboincdata.ssl.berkeley.edu
Accept: */*
Accept-Encoding: deflate, gzip
Content-Type: application/x-www-form-urlencoded
Content-Length: 288

17/02/2010 23:09:29||[http_debug] [ID#14] Received header from server: HTTP/1.0 503 Service Unavailable

17/02/2010 23:09:29||[http_debug] [ID#14] Received header from server: Content-Type: text/html

17/02/2010 23:09:29||[http_debug] [ID#14] Received header from server: Content-Length: 53

17/02/2010 23:09:29||[http_xfer_debug] HTTP: wrote 53 bytes
17/02/2010 23:09:29||[http_debug] [ID#14] info: Expire cleared
17/02/2010 23:09:29||[http_debug] [ID#14] info: Closing connection #0
17/02/2010 23:09:30|SETI@home|[file_xfer] Temporarily failed upload of 25fe07ac.28421.12751.16.10.119_1_0: http error

That HTTP/1.0 503 Service Unavailable suggests something might still need kicking.

ID: 971000 ·

Dena Wiltsie
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For a while my job depended on a system cooled by an air conditioner that I could not depend on. My solution was to get one of these and wire it into an extension cord so I could connect all the non-replaceable equipment to it. I then set it to about 80 F and had no worries about failed hardware. The catch is you must make sure your backups are up to date as the power down will be very hard and in my case the raid lost a drive often when it was powered down (very old drives).
____________

ID: 971002 ·

Rick

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For a while my job depended on a system cooled by an air conditioner that I could not depend on. My solution was to get one of these and wire it into an extension cord so I could connect all the non-replaceable equipment to it. I then set it to about 80 F and had no worries about failed hardware. The catch is you must make sure your backups are up to date as the power down will be very hard and in my case the raid lost a drive often when it was powered down (very old drives).

Plug a UPS into it that has the ability to trigger a graceful shutdown of the systems when the power fails. So long as the UPS has the capacity to keep power to the systems during the shutdown you should be in good shape.
____________

ID: 971007 ·

S@NL - Eesger
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... they just pressed the reset button...

It's the Microsoft way.. and heck it works more ofthen then one would think ;)
____________
The SETI@Home Gauntlet 2012 april 16 - 30| info / chat | STATS

ID: 971008 ·

Link

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For a while my job depended on a system cooled by an air conditioner that I could not depend on. My solution was to get one of these (...)

I think there are more than enough software based solutions, which will nicely power down the system, if something is overheating.

Alternatively, if software not possible, one could try to simulate pressing the power button. That will also gracefully shut down the system.
____________
.

ID: 971011 ·

Dena Wiltsie
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Joined: 19 Apr 01
Posts: 987
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For a while my job depended on a system cooled by an air conditioner that I could not depend on. My solution was to get one of these and wire it into an extension cord so I could connect all the non-replaceable equipment to it. I then set it to about 80 F and had no worries about failed hardware. The catch is you must make sure your backups are up to date as the power down will be very hard and in my case the raid lost a drive often when it was powered down (very old drives).

Plug a UPS into it that has the ability to trigger a graceful shutdown of the systems when the power fails. So long as the UPS has the capacity to keep power to the systems during the shutdown you should be in good shape.

It was a P390 running OS2 Warp and VM/ESA. It was so old it didn't have any idea what a smart UPS was. The hard drive failure would happen just because it stopped turning. On the other hand, I would have to do a cold start on VM/ESA but we never lost a byte of data with that set up. I am not sure other operating systems would be as forgiving so I provided a warning.
We did have a UPS but it's main function was to filter power glitches. One danger of putting the switch on the UPS is additional heat will be generated while the UPS reaches it's shutdown point. My room was not much large than a closet so when things overheated, they needed to be shut down fast.
The system was up 24 hours a day and often would be unattended so the failure would most likely happen when no one was around to lay hands on the system.
____________

ID: 971012 ·

RottenMutt
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When the campus A/C techs came up in the early evening they just pressed the reset button and it came back to life.

i sure hope you took note as to where the reset switch is...

cricket still shows little activity, you must still be down and some of my rigs are out of work for the GPU's and others will be out soon (hours)...
____________

ID: 971015 ·

dbryce
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It was a P390 running OS2 Warp and VM/ESA. It was so old it didn't have any idea what a smart UPS was. The hard drive failure would happen just because it stopped turning. On the other hand, I would have to do a cold start on VM/ESA but we never lost a byte of data with that set up. I am not sure other operating systems would be as forgiving so I provided a warning.
We did have a UPS but it's main function was to filter power glitches. One danger of putting the switch on the UPS is additional heat will be generated while the UPS reaches it's shutdown point. My room was not much large than a closet so when things overheated, they needed to be shut down fast.
The system was up 24 hours a day and often would be unattended so the failure would most likely happen when no one was around to lay hands on the system.

I remember that box!! <g> In my 'previous life' we were running one of those and we had a 'UPS on steroids' that would power the machine for, I think, 2 hours. It might even have powered our 'server farm', but that was 6.5 years ago and my memory is iffy.

Doug

ID: 971017 ·

frank
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thanks matt. was sure worried why its been off so long. thank you for your work their

[/b]
____________

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1mp0£173
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For a while my job depended on a system cooled by an air conditioner that I could not depend on. My solution was to get one of these and wire it into an extension cord so I could connect all the non-replaceable equipment to it. I then set it to about 80 F and had no worries about failed hardware. The catch is you must make sure your backups are up to date as the power down will be very hard and in my case the raid lost a drive often when it was powered down (very old drives).

Most anything semi-modern supports some sort of "dumb" signaling from a UPS.

It uses a normal serial port, and only the handshake lines. A line goes "low" to signal "low battery" and the UPS waits for the system to drop a handshake line back when it is safe for the UPS to turn off.

One could build a "UPS" whose only job was to signal low battery when the temperature got above a certain temperature, and kill power when the system said "okay."

Power would be restored when it got cold enough. Or not.
____________

ID: 971079 ·

Bob1701a
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The smart-ass in me made me write this.....

The A/C died and it's too hot? It's winter, it's 25 degrees and snowing...open the windows. That'll cool you off.
____________

ID: 971080 ·

gizbar

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Blasted A/C! Now we're out of the frying pan, can we just avoid the fire this time? ;-)

Good job guys.

Trying to recover some data off a laptop drive for someone at the moment. Of course, there isn't a backup, and this is the 4th system I'm trying to recover just recently. The battery has gone in the laptop and seeing as it is a normal P4@3.00Ghz, the PSU is struggling to supply everything now too.

I've had to take the hdd out and attach it to a desktop. After the usual virus checks etc, I started a chkdsk over 10 hours ago and it's less than halfway through!

Oh well. At least it keeps me busy while you guys were up to your eyeballs in it.

Gizbar. [/i]
____________

A proud GPU User Server Donor!

ID: 971082 ·

Grant (SSSF)
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The smart-ass in me made me write this.....

The A/C died and it's too hot? It's winter, it's 25 degrees and snowing...open the windows. That'll cool you off.

Not from that part of the world, but i don't think it snows too often at Berkeley. And most server rooms don't have windows, let alone ones that open.
____________
Grant
Darwin NT.

ID: 971089 ·

Joori
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Nice to hear everything is almost back to normal. Unfortunate that alot of work units were aborted while trying to upload them as their deadline had passed during the downtime. A have a feeling more will be aborted as they are still unable to be uploaded..

Kinda dissapointed but what can ya do aye? You win some, you lose some - gotta keep on truckin' ! :)
____________

ID: 971093 ·

1mp0£173
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The A/C died and it's too hot? It's winter, it's 25 degrees and snowing...open the windows. That'll cool you off.

Assuming the server room is near an outside wall and has openable windows, of course.
____________

ID: 971095 ·