Hi guys, Sorry for the OT. For the last couple of weeks I notice that the static in my server room is worrisomely noticeable. I cannot see what may be causing it.... Care to share some of your experience what may be the cause and the remedy?
Thank you.
On 06/14/2011 08:39 AM, Fajar Priyanto wrote:
Hi guys, Sorry for the OT. For the last couple of weeks I notice that the static in my server room is worrisomely noticeable. I cannot see what may be causing it.... Care to share some of your experience what may be the cause and the remedy?
Low humidity would be my first guess. The relative humidity in your server room should be between 50% +/- 10%. Too high and you can get condensation. Too low and you get electrostatic discharges.
Fajar Priyanto wrote:
Hi guys, Sorry for the OT. For the last couple of weeks I notice that the static in my server room is worrisomely noticeable. I cannot see what may be causing it.... Care to share some of your experience what may be the cause and the remedy?
Change the settings on the HVAC units to humidify it *some*.
mark
centos-bounces@centos.org wrote:
Hi guys, Sorry for the OT. For the last couple of weeks I notice that the static in my server room is worrisomely noticeable. I cannot see what may be causing it.... Care to share some of your experience what may be the cause and the remedy?
Thank you. _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Causes: Low humidity for temperature Improper footwear.
Solutions: Air ionizer in server room Tweak humidity/temp control Felt slippers and/or anti-static grounding straps.
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On Tue, Jun 14, 2011 at 4:39 PM, Fajar Priyanto fajarpri@arinet.org wrote:
Hi guys, Sorry for the OT. For the last couple of weeks I notice that the static in my server room is worrisomely noticeable. I cannot see what may be causing it.... Care to share some of your experience what may be the cause and the remedy?
We used to have real problems. If you walked across the floor and reached towards our mini it would spontaneously reboot. Not fun. We initially treated the carpet with an antistatic spray but ended up installing anti-static carpet tiles
At Tue, 14 Jun 2011 17:31:02 +0100 CentOS mailing list centos@centos.org wrote:
On Tue, Jun 14, 2011 at 4:39 PM, Fajar Priyanto fajarpri@arinet.org wrote:
Hi guys, Sorry for the OT. For the last couple of weeks I notice that the static in my server room is worrisomely noticeable. I cannot see what may be causing it.... Care to share some of your experience what may be the cause and the remedy?
We used to have real problems. If you walked across the floor and reached towards our mini it would spontaneously reboot. Not fun. We initially treated the carpet with an antistatic spray but ended up installing anti-static carpet tiles
Carpets are generally contra-indicated with ANY sort of computer equipment. Ideal floor: your basic institutional linoleum tiles. Yes, it is ugly, but...
CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
On Tue, Jun 14, 2011 at 4:39 PM, Fajar Priyanto fajarpri@arinet.org wrote:
Hi guys, Sorry for the OT. For the last couple of weeks I notice that the static in my server room is worrisomely noticeable. I cannot see what may be causing it.... Care to share some of your experience what may be the cause and the remedy?
We used to have real problems. If you walked across the floor and reached towards our mini it would spontaneously reboot. Not fun. We initially treated the carpet with an antistatic spray but ended up installing anti-static carpet tiles
Carpets are generally contra-indicated with ANY sort of computer equipment. Ideal floor: your basic institutional linoleum tiles. Yes, it is ugly, but...
I know that, you know that, but the powers that be insist on carpet on the raised floor tiles.
Kevin Thorpe wrote:
On Tue, Jun 14, 2011 at 4:39 PM, Fajar Priyanto fajarpri@arinet.org wrote:
Hi guys, Sorry for the OT. For the last couple of weeks I notice that the static in my server room is worrisomely noticeable. I cannot see what may be causing it.... Care to share some of your experience what may be the cause and the
remedy?
We used to have real problems. If you walked across the floor and reached towards our mini it would spontaneously reboot. Not fun. We initially treated the carpet with an antistatic spray but ended up installing anti-static carpet tiles
Carpets are generally contra-indicated with ANY sort of computer equipment. Ideal floor: your basic institutional linoleum tiles. Yes, it is ugly, but...
I know that, you know that, but the powers that be insist on carpet on the raised floor tiles.
Has anyone presented them with the problems with carpeting in the server room? Doesn't have to be confrontational, just "we're having a problem with static discharges in the server room, and one of the sources is the carpeting. We may have to have folks wearing static-discharge anklets, or put metal strips in to ground everything. <offhandedly>This wouldn't be an issue if we didn't have carpeting....</offhandedly> Can we look at solutions for this problem, that can cause shorts and servers crashing?"
mark
mark
I know that, you know that, but the powers that be insist on carpet on the raised floor tiles.
Has anyone presented them with the problems with carpeting in the server room? Doesn't have to be confrontational, just "we're having a problem with static discharges in the server room, and one of the sources is the carpeting. We may have to have folks wearing static-discharge anklets, or put metal strips in to ground everything. <offhandedly>This wouldn't be an issue if we didn't have carpeting....</offhandedly> Can we look at solutions for this problem, that can cause shorts and servers crashing?"
Sorry, 'insisted'. Previous job and the proper computer room chock full of big iron had to look spotless. I spent a good hour each shift polishing the boxen. Pointless when everything was air conditioned to death but we worked there behind a big picture window for the bigwigs to ogle at.
Now all our gear is in a datacentre 250 miles away and as long as it works it's not my problem. If it stops working it's still not my problem because they suddenly owe us a load of dosh. That room is all cold hard metal panels and steel mesh. Uncomfortable for people but then nobody has to touch the stuff until it breaks - and that's incredibly rare now.
Kevin Thorpe wrote:
I know that, you know that, but the powers that be insist on carpet on the raised floor tiles.
Has anyone presented them with the problems with carpeting in the server room? Doesn't have to be confrontational, just "we're having a problem with static discharges in the server room, and one of the sources is the carpeting. We may have to have folks wearing static-discharge anklets, or put metal strips in to ground everything. <offhandedly>This wouldn't be an issue if we didn't have carpeting....</offhandedly> Can we look at solutions for this problem, that can cause shorts and servers crashing?"
Sorry, 'insisted'. Previous job and the proper computer room chock full of big iron had to look spotless. I spent a good hour each shift polishing the boxen.
Huh? They had an admin doing *cleaning*, every shift? Talk about wasting money!
Pointless when everything was air conditioned to death but we worked there behind a big picture window for the bigwigs to ogle at.
Ah, so the answer was "why don't we get a consultant in from, say, IBM, to help solve our problem?" <g>
Now all our gear is in a datacentre 250 miles away and as long as it works it's not my problem. If it stops working it's still not my problem because they suddenly owe us a load of dosh. That room is all cold hard metal panels and steel mesh. Uncomfortable for people but then nobody has to touch the stuff until it breaks - and that's incredibly rare now.
Right. I can avoid going into the server rooms (sorry, "computer labs") for days at a time.
mark
On 06/14/11 12:27 PM, Kevin Thorpe wrote:
I know that, you know that, but the powers that be insist on carpet on the raised floor tiles.
there are carpets that have conductive fibers woven into them specifically to combat static.
carpet is usually banned from computer rooms because it encourages lint and dust, which clogs fans and chassis and air filters. most data centers do NOT want the janitors in there doing weekly vacuuming and banging into the servers!!
carpet is usually banned from computer rooms because it encourages lint and dust, which clogs fans and chassis and air filters. most data centers do NOT want the janitors in there doing weekly vacuuming and banging into the servers!!
This was a mainframe shop and we were the fishes swimming around behind the picture window. After you've spent £4 million on a computer you want to show it off..... and we did the cleaning, not a cleaner in sight
On Jun 14, 2011, at 12:54 PM, Kevin Thorpe wrote:
carpet is usually banned from computer rooms because it encourages lint and dust, which clogs fans and chassis and air filters. most data centers do NOT want the janitors in there doing weekly vacuuming and banging into the servers!!
This was a mainframe shop and we were the fishes swimming around behind the picture window. After you've spent £4 million on a computer you want to show it off..... and we did the cleaning, not a cleaner in sight
Yea, NetApp does the same.
Carpet is quieter and looks nicer.
I did a small room once were I stitched together carpet of a Lego scene, was really fun.
I was working for Burt Ward at one time (Robin from Batman TV series) and was gonna do a bat cave inspired room with fake rocks, stalactites, cool lighting, etc...
- aurf
Thanks all for the reply. What is the worst thing can happen from excessive static? We have two corrupted UEFI when we reboot servers which now I suspect because of static. Yesterday I actually saw a spark when I put a memory module on motherboard even though I was careful like touching the metal casing first. That just blow my mind and made me ask you in this list.
On 06/14/11 5:04 PM, Fajar Priyanto wrote:
What is the worst thing can happen from excessive static?
fried electronics. or, imho worse than total failure, is downstream flakiness induced by partial gate failures from said static zaps.
centos-bounces@centos.org wrote:
On 06/14/11 5:04 PM, Fajar Priyanto wrote:
What is the worst thing can happen from excessive static?
ESD (Electro-static Discharge) is the "Radioactive Crystal Meth" of computers. How much you can take before you exhibit measurable capability loss is a detail of interest only to people with no vested interest in the operation. *ANY* ESD is a bullet hole. Avoid them like a painful death.
fried electronics. or, imho worse than total failure, is downstream flakiness induced by partial gate failures from said static zaps.
Damage to circuitry is not all "instant-or-never"; damaged junctions can take their own time (sometimes zero) to degenerate from damaged-but-perfectly-functional to occasional errors to persistent failure.
There is no way to predict which chip(s) take total/partial/creeping damage from ESD.
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On Wednesday, June 15, 2011 09:12:44 AM Brunner, Brian T. wrote:
Damage to circuitry is not all "instant-or-never"; damaged junctions can take their own time (sometimes zero) to degenerate from damaged-but-perfectly-functional to occasional errors to persistent failure.
The bullet-wound analogy is spot-on; I have a motherboard here that will sometimes boot without initializing the keyboard; also,k it will not successfully POST all the RAM (hard loacks during POST) but Memtest86 finds no memory problems.
It operates, but it's not in a critical role. I'm fairly convinced it was careless handling three years ago that did it.
In my PC 'Fix it' class at a local community college, I stress static issues with my students. This year, one is a retired highway patrolman, and he got the analogy very quickly.
As to carpeted anti-static tiles, we have them. Most of our 30,000 square feet of raised floor is carpeted; only some vent tiles are non-carpeted, and they're perforated. The carpet has conductive fibers interwoven, and static is pretty much a non-issue, until humidity gets below 20%. Not a problem this time of year, for us.
At least we don't have zinc whisker problems; our tiles are either too old or of the wrong kind of construction to have the whiskers.
Dust isn't as bad of an issue as you might think, but stains are. And I do the vacuuming of the data center spaces myself, with a dedicated vac with HEPA filtration. Takes less than half an hour for the critical spaces, and gives me a good reason to inspect everything.
The dust off the subfloor (while it *was* sealed when built, it still has collected dust over the years) is a worse problem that off the carpet.
Lamar Owen wrote:
On Wednesday, June 15, 2011 09:12:44 AM Brunner, Brian T. wrote:
Damage to circuitry is not all "instant-or-never"; damaged junctions can take their own time (sometimes zero) to degenerate from damaged-but-perfectly-functional to occasional errors to persistent failure.
<snip>
Dust isn't as bad of an issue as you might think, but stains are. And I do the vacuuming of the data center spaces myself, with a dedicated vac with HEPA filtration. Takes less than half an hour for the critical spaces, and gives me a good reason to inspect everything.
<snip> Ever heard the old, old m'frame (I think) story, of the guy who needed to do a backup, and the tape failed, and they had to go to an older one. The next few days, he was trying to find out why, and discovered all of the tapes on the bottom row of the tape (reel) rack were bad. Stayed late one day, working on it... and watched as the cleaner came in, and ran the floor cleaner right up to the rack....
mark
On Wed, Jun 15, 2011 at 3:13 PM, m.roth@5-cent.us wrote:
Lamar Owen wrote:
On Wednesday, June 15, 2011 09:12:44 AM Brunner, Brian T. wrote:
Damage to circuitry is not all "instant-or-never"; damaged junctions can take their own time (sometimes zero) to degenerate from damaged-but-perfectly-functional to occasional errors to persistent failure.
<snip> > Dust isn't as bad of an issue as you might think, but stains are. And I > do the vacuuming of the data center spaces myself, with a dedicated vac > with HEPA filtration. Takes less than half an hour for the critical > spaces, and gives me a good reason to inspect everything. <snip> Ever heard the old, old m'frame (I think) story, of the guy who needed to do a backup, and the tape failed, and they had to go to an older one. The next few days, he was trying to find out why, and discovered all of the tapes on the bottom row of the tape (reel) rack were bad. Stayed late one day, working on it... and watched as the cleaner came in, and ran the floor cleaner right up to the rack....
And the apocryphal mystery why the servers rebooted at 6:30 every evening. Having said that we once had a cleaner unplug a router to plug a kettle in, but that's rather more likely because it was tucked away in a corner than unplugging a whole computer. Was back in '85 as well so your average cleaner had no clue what a computer was.
On the other hand I managed to prank the cleaner in our computer lab. We had 20 or so computers with touch screens and speech synth back in '85 when they were both magic. I left a program running one every one of them so say 'thank you' when she finished cleaning the screen. We had the cleanest screens ever.
Kevin Thorpe wrote:
On Wed, Jun 15, 2011 at 3:13 PM, m.roth@5-cent.us wrote:
Lamar Owen wrote:
On Wednesday, June 15, 2011 09:12:44 AM Brunner, Brian T. wrote:
Damage to circuitry is not all "instant-or-never"; damaged junctions can take their own time (sometimes zero) to degenerate from damaged-but-perfectly-functional to occasional errors to persistent failure.
<snip> > Dust isn't as bad of an issue as you might think, but stains are. And > I do the vacuuming of the data center spaces myself, with a dedicated > vac with HEPA filtration. Takes less than half an hour for the critical > spaces, and gives me a good reason to inspect everything. <snip> Ever heard the old, old m'frame (I think) story, of the guy who needed to do a backup, and the tape failed, and they had to go to an older one. The next few days, he was trying to find out why, and discovered all of the tapes on the bottom row of the tape (reel) rack were bad. Stayed late one day, working on it... and watched as the cleaner came in, and ran the floor cleaner right up to the rack....
And the apocryphal mystery why the servers rebooted at 6:30 every evening. Having said that we once had a cleaner unplug a router to plug a kettle in, but that's rather more likely because it was tucked away in a corner than unplugging a whole computer. Was back in '85 as well so your average cleaner had no clue what a computer was.
<snip> Oh, that's ok: a friend of mine (who posts here occasionally) got to blow up at someone(s) in his wife's office, where he comes in as a consultant: someone had plugged a kettle? microwave? (I forget) into the orange box that was labelled "computer equipment only" (Hope you don't mind me telling your story, DaveI.)
mark
Oh, that's ok: a friend of mine (who posts here occasionally) got to blow up at someone(s) in his wife's office, where he comes in as a consultant: someone had plugged a kettle? microwave? (I forget) into the orange box that was labelled "computer equipment only" (Hope you don't mind me telling your story, DaveI.)
We had a senior member of staff in a little office down the hall on a WiFi connection. I kept getting a complaint that he lost the internet at about the same time every day. I had to point out that he could have internet OR microwave his lunch, not both.
On Thursday, June 16, 2011 12:46 AM, Kevin Thorpe wrote:
Oh, that's ok: a friend of mine (who posts here occasionally) got to blow up at someone(s) in his wife's office, where he comes in as a consultant: someone had plugged a kettle? microwave? (I forget) into the orange box that was labelled "computer equipment only" (Hope you don't mind me telling your story, DaveI.)
We had a senior member of staff in a little office down the hall on a WiFi connection. I kept getting a complaint that he lost the internet at about the same time every day. I had to point out that he could have internet OR microwave his lunch, not both.
Or use 5Ghz wifi-n like we do...
On Wednesday, June 15, 2011 10:13:20 AM m.roth@5-cent.us wrote:
Ever heard the old, old m'frame (I think) story, of the guy who needed to do a backup, and the tape failed, and they had to go to an older one.
Yeah, I've read that one, and it is a nice lesson.
For more of the same (rather than doing it one at a time, on-list but *way* OT) see http://www.cs.earlham.edu/~skylar/humor/Unix/computer.folklore.from.net.rumo...
Also see the archives of alt.folklore.computers from the late 80's (post-Great-Renaming, that is) and the early 90's.
And be sure to read http://nemesis.lonestar.org/stories/stages.html
And if you can find a copy, get the Datamation book 'Faith, Hope, and Parity.'
I've got a really old list somewhere that I got from a fellow student years ago (1984 I think) that was on a TRS-80 5.25 floppy; if I find it I'll send it along off-list. It even includes some poetry (this is by memory):
I hate this old machine I wish that they would sell it It never does what I want But only what I tell it.
Sorry for the OT; back to the running discussion of the C6 timeline..... (I'm very much looking forward to this release).
On 6/14/2011 7:04 PM, Fajar Priyanto wrote:
Thanks all for the reply. What is the worst thing can happen from excessive static? We have two corrupted UEFI when we reboot servers which now I suspect because of static. Yesterday I actually saw a spark when I put a memory module on motherboard even though I was careful like touching the metal casing first. That just blow my mind and made me ask you in this list
I have an antistatic mat on the floor in front of my server rack similar to this. http://www.uline.com/BL_1755/Anti-Static-Mats Simple, does the job, and it also feels good on the feets!
If you spend a lot of time in your server room, you might also consider a fish tank. It will add moisture to your room and give you something to look at other than flashing leds:-)
Sorry for that but this list really needs to lighten up.
Dan Carl wrote:
On 6/14/2011 7:04 PM, Fajar Priyanto wrote:
Thanks all for the reply. What is the worst thing can happen from excessive static? We have two corrupted UEFI when we reboot servers which now I suspect because of static. Yesterday I actually saw a spark when I put a memory module on motherboard even though I was careful like touching the metal casing first. That just blow my mind and made me ask you in this list
I have an antistatic mat on the floor in front of my server rack similar to this. http://www.uline.com/BL_1755/Anti-Static-Mats Simple, does the job, and it also feels good on the feets!
If you spend a lot of time in your server room, you might also consider a fish tank. It will add moisture to your room and give you something to look at other than flashing leds:-)
What, you don't like das blinkenlits? <g> A few years back, there was a silly slashdot poll: how many leds do you see when you turn off the lights?
Sorry for that but this list really needs to lighten up.
And yet you want to turn off the leds?
mark "leding you on"
centos-bounces@centos.org wrote:
I have an antistatic mat on the floor in front of my server rack similar to this. http://www.uline.com/BL_1755/Anti-Static-Mats Simple, does the job, and it also feels good on the feets!
If you spend a lot of time in your server room, you might also consider a fish tank. It will add moisture to your room and give you something to look at other than flashing leds:-)
Danger Will Robinson!!! Do NOT raise electric eels or rays in said fish tank! Think: ESD every feeding time...
Insert spiffy .sig here: Life is complex: it has both real and imaginary parts. Life is not measured by the number of breaths we take, but by the moments that take our breath away.
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Dan Carl wrote:
If you spend a lot of time in your server room, you might also consider a fish tank. It will add moisture to your room and give you something to look at other than flashing leds:-)
Actually, scientist say that 5 minutes of looking at the fish tank can greatly reduce stress.
Ljubomir
On Wed, Jun 15, 2011 at 09:20:44PM +0200, Ljubomir Ljubojevic wrote:
Actually, scientist say that 5 minutes of looking at the fish tank can greatly reduce stress.
Sad that the same thing can't be said for off-topic threads like this in a topical mailing list.
John
John R. Dennison wrote:
On Wed, Jun 15, 2011 at 09:20:44PM +0200, Ljubomir Ljubojevic wrote:
Actually, scientist say that 5 minutes of looking at the fish tank can greatly reduce stress.
Sad that the same thing can't be said for off-topic threads like this in a topical mailing list.
It's still better then endless distro wars ;}
Ljubomir
On Thu, Jun 16, 2011 at 2:19 AM, Dan Carl danc@bluestarshows.com wrote:
If you spend a lot of time in your server room, you might also consider a fish tank. It will add moisture to your room and give you something to look at other than flashing leds:-)
Is this a joke or a real thing? I'm really considering the fish tank.
Btw, I've checked. My room humidity is 23%. That should be ok, shouldn't it? But still I saw the spark.
Btw again, I was in the middle of major work on a blade chassis, and I left some of the slots open for several days. Could that be the reason of the high static too?
Fajar Priyanto wrote:
On Thu, Jun 16, 2011 at 2:19 AM, Dan Carl danc@bluestarshows.com wrote:
If you spend a lot of time in your server room, you might also consider a fish tank. It will add moisture to your room and give you something to look at other than flashing leds:-)
Is this a joke or a real thing? I'm really considering the fish tank.
Btw, I've checked. My room humidity is 23%. That should be ok, shouldn't it? But still I saw the spark.
Very low - adding some water somewhere would likely help. Carpet? Nylon products against natural ones like cotton or wool??
Btw again, I was in the middle of major work on a blade chassis, and I left some of the slots open for several days. Could that be the reason of the high static too? _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Are you using anti-static flooring? I know in our new server room extension there was some very expensive lino that went down. This sort of stuff: http://www.afloor.co.uk/vinyl-flooring-lino/anti-static-flooring.html
--Russell
-----Original Message----- From: centos-bounces@centos.org [mailto:centos-bounces@centos.org] On Behalf Of Rob Kampen Sent: Thursday, 16 June 2011 2:24 p.m. To: CentOS mailing list Subject: Re: [CentOS] OT: high static in server room
Fajar Priyanto wrote:
On Thu, Jun 16, 2011 at 2:19 AM, Dan Carl danc@bluestarshows.com
wrote:
If you spend a lot of time in your server room, you might also consider a fish tank. It will add moisture to your room and give you something to look at other than flashing leds:-)
Is this a joke or a real thing? I'm really considering the fish tank.
Btw, I've checked. My room humidity is 23%. That should be ok, shouldn't it? But still I saw the spark.
Very low - adding some water somewhere would likely help. Carpet? Nylon products against natural ones like cotton or wool??
Btw again, I was in the middle of major work on a blade chassis, and
I
left some of the slots open for several days. Could that be the reason of the high static too? _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
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On Wed, Jun 15, 2011 at 10:07 PM, Fajar Priyanto fajarpri@arinet.org wrote:
Btw, I've checked. My room humidity is 23%. That should be ok, shouldn't it? But still I saw the spark.
Very early in this thread Benjamin Franz posted this:
"Low humidity would be my first guess. The relative humidity in your server room should be between 50% +/- 10%. Too high and you can get condensation. Too low and you get electrostatic discharges."
Did you miss that message?
Mike
On Thu, Jun 16, 2011 at 11:28 AM, Mike Williams dmikewilliams@gmail.com wrote:
"Low humidity would be my first guess. The relative humidity in your server room should be between 50% +/- 10%. Too high and you can get condensation. Too low and you get electrostatic discharges."
Oh! I thought it's 10% to 50%. So it's between 45%-55%. Uh-oh... need to put that fish tank asap. Thanks.
On 06/15/11 9:44 PM, Fajar Priyanto wrote:
On Thu, Jun 16, 2011 at 11:28 AM, Mike Williamsdmikewilliams@gmail.com wrote:
"Low humidity would be my first guess. The relative humidity in your server room should be between 50% +/- 10%. Too high and you can get condensation. Too low and you get electrostatic discharges."
Oh! I thought it's 10% to 50%. So it's between 45%-55%. Uh-oh... need to put that fish tank asap.
actually, its 40-60%, I believe. and you should have a humidifier as part of your A/C, since cooling air sucks the moisture out of it. I would NOT rely on a fishtank to provide any significant humidity.
On Thursday, June 16, 2011 12:56 PM, John R Pierce wrote:
On 06/15/11 9:44 PM, Fajar Priyanto wrote:
On Thu, Jun 16, 2011 at 11:28 AM, Mike Williamsdmikewilliams@gmail.com wrote:
"Low humidity would be my first guess. The relative humidity in your server room should be between 50% +/- 10%. Too high and you can get condensation. Too low and you get electrostatic discharges."
Oh! I thought it's 10% to 50%. So it's between 45%-55%. Uh-oh... need to put that fish tank asap.
actually, its 40-60%, I believe. and you should have a humidifier as part of your A/C, since cooling air sucks the moisture out of it. I would NOT rely on a fishtank to provide any significant humidity.
Just get fish that spit and appropriate targets for said fish.
On 6/16/11, John R Pierce pierce@hogranch.com wrote:
actually, its 40-60%, I believe. and you should have a humidifier as part of your A/C, since cooling air sucks the moisture out of it. I would NOT rely on a fishtank to provide any significant humidity.
Well, can't be so sure the fish tank won't do the job especially since he might be thinking along the lines of this or bigger http://www.clubelite.com.my/en/aquarium/images/aq2.jpg
Fajar Priyanto wrote:
Hi guys, Sorry for the OT. For the last couple of weeks I notice that the static in my server room is worrisomely noticeable. I cannot see what may be causing it.... Care to share some of your experience what may be the cause and the remedy?
Check the humidity - if it gets too low (< 20%) this can cause problems
Thank you. _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
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