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Miscellaneous => The Lounge => Topic started by: Bazoukas on 21 August 2002, 08:31

Title: Here is what am gonna do. Ill be keeping a log
Post by: Bazoukas on 21 August 2002, 08:31
I wont shut down my PC (UNLESS we get a thunderstorm. I had my video card fried one time from that).

   Ill keep a log how many times Linux will go into "Please reboot me cause i feel emotional" and what programs and how many times they will crash.

  I will do ALL of my work with Linux.

  I know all of you will say good luck waiting for Linux to crash. But just a small stupid project of mine.

 So far:

11:35pm  up  4:36,  1 user,  load average: 0.11, 0.06, 0.02  (http://smile.gif)
Title: Here is what am gonna do. Ill be keeping a log
Post by: ravuya on 21 August 2002, 08:33
I shut down my Linux box every night (I have no reason to keep it on overnight), and I still haven't had a crash yet. Same with my iMac running OS X.
Title: Here is what am gonna do. Ill be keeping a log
Post by: Master of Reality on 21 August 2002, 08:38
I had my somethin in Linux fuck up after a thunderstorm knocked out the power twice while it was running (i was stupid and turned it on after the thunderstorm just ended and then the power went out).
I leave my server runnin all the time. I in fact wait for the power to go out during a thunderstorm, then i leave it off until its over. Its a crappy old computer and i dont care that much if it gets fried (it means that i get to upgrade to OpenBSD if it fries).
I'll join you in your project.
My uptime is currently:  
12:00pm  up 3 days,  8:33,  3 users,  load average: 0.12, 0.03, 0.01
Title: Here is what am gonna do. Ill be keeping a log
Post by: Bazoukas on 21 August 2002, 08:41
sounds like a plan  (http://smile.gif)

 Ill be posting my log every week.
Title: Here is what am gonna do. Ill be keeping a log
Post by: voidmain on 21 August 2002, 08:45
Well, you may have better luck getting it to crash than I do.  Some are better at it than others.  I'm not very good at it.  I never shut my Linux boxes off. I've got a heavily used RedHat 7.0 server that was up for almost 500 days before an extended power outage.  Now it's back up to 69 days of uptime.  Let's see, 568.9 days up, 0.1 days down on a single outage, what kind of availability percentage is that?  Actually since everything automatically failed over to a backup server at a different location there was actually zero loss in availability.
Title: Here is what am gonna do. Ill be keeping a log
Post by: Bazoukas on 21 August 2002, 08:49
So in other words you mean the backup server automaticaly kicked in and started working?


  And 568 days?   :eek:
Title: Here is what am gonna do. Ill be keeping a log
Post by: Master of Reality on 21 August 2002, 08:49
You should all go to The Bob Hub (http://www.bobhub.tk) and post stuff on my messageboard to create mroe load on my server.
Title: Here is what am gonna do. Ill be keeping a log
Post by: Bazoukas on 21 August 2002, 08:52
Am on it.  
Shit i didnt know you had a message board.
Title: Here is what am gonna do. Ill be keeping a log
Post by: voidmain on 21 August 2002, 21:03
quote:
Originally posted by bazoukas:
So in other words you mean the backup server automaticaly kicked in and started working?


  And 568 days?    :eek:  


Yep, and Yep.  Actually the backup server runs all the time and is a mirror/secondary of the primary server which provides web sites for many domains, POP/IMAP/SMTP for many users, DNS, news, etc, etc, etc.  I wrote a hearbeat program that automatically changes DNS to point ot it as the primary server and configure itself accordingly.  Works like a champ.  It's actually failed over to the secondary more than once because of network trouble at the provider, but not because the server was down.
Title: Here is what am gonna do. Ill be keeping a log
Post by: Master of Reality on 21 August 2002, 21:05
where is your secondary... if the power was out how was it running?? generator?
Title: Here is what am gonna do. Ill be keeping a log
Post by: choasforages on 21 August 2002, 21:15
yeah, i had a 60mhz dell with a months uptime, then the power went out, but the way, how big of a ups would i need to power 5 desktop boxs and 3 monitors, not to mention a laptop. and howmuch would this thing cost, cuase im getting sick of these 1 second blips, that makes everything reboot, and im also sick of reseting clocks in my room, so they would go on it too.
Title: Here is what am gonna do. Ill be keeping a log
Post by: voidmain on 21 August 2002, 21:28
I would not put the monitors on the UPS, only the main boxes (well you could put your main monitor on one so you have some light when the rest of the house is dark), but you generally want to limit the draw of power.  The more things you have plugged in to it the less time you will have during a power outage.

APC probably makes the most popular and cheapest small UPSes for home and small server room use although they do make very large ones too. Just look at the power consumption on all of your power supplies and devices that you plug in to it, add it all up and figure out what would be the best solution for you based on how long you want the equipment to stay powered up in the event of an outage.  You may want to go with two or three small units, or one larger one depending on the price and your needs. You can also hook up a serial cable and have your server do a clean shut down before the battery life runs out.

APC has some tips on their web site to help you figure it out: http://www.apc.com/ (http://www.apc.com/)
Title: Here is what am gonna do. Ill be keeping a log
Post by: Kintaro on 21 August 2002, 12:28
Yes good point some windows people say

"Unix has good uptime, if its just sitting there"
which is true and false, they dont realize that its being used from the outside world!
Title: Here is what am gonna do. Ill be keeping a log
Post by: voidmain on 21 August 2002, 21:40
quote:
Originally posted by Master of Reality / Bob:
where is your secondary... if the power was out how was it running?? generator?


The secondary is 400 miles from the primary, on a different network provider and if the power goes out in both places at the same time for an extended period of time then we've probably got bigger problems than a little thunderstorm.
Title: Here is what am gonna do. Ill be keeping a log
Post by: choasforages on 22 August 2002, 12:22
is it safe to run a ups off a ups, like have a ups pluged into a ups and only have the serial cable pluged into the dell so it can shut everything off, or would that be a bad idea. cuase i was thinking that a lot of small ones would be a shit load cheaper then the 3000va/*i think*/ one that i saw
Title: Here is what am gonna do. Ill be keeping a log
Post by: voidmain on 22 August 2002, 20:30
I would think it would be a bad idea to plug a UPS into a UPS. A UPS would draw more power than everything that is plugged in to it would draw, therefore you would get fewer Amp/Hours out of your combined batteries. Now if you had 2 UPSs and only one device, then you could get a longer single uptime by putting them in serial like that but I assume you have more than one device to put on UPS.

[ August 22, 2002: Message edited by: VoidMain ]