System turned itself off?

[wilson]

I am running a pentium4 3.2 with 3gb ram
recording all calls AND comercial G729 from Digium
calls are recorded to a 512mb ram disk and the recordings are mixed and ftp'd over to a storage server every 5 minutes.
for 8 agents using manual dialing mode on Vicidial

The users use eyebeam and they connect to Asterisk via ulaw/alaw then asterisk uses a iax trunk with g729 compression to our termination companies.

We have previously had less users and no real problems, but today the system crashed and powered down twice!!!

What do you think the solution is?
I assume the CPU has enough power
Do you think there is a fault with the installation or that it ran out of resources?
I am under the impression that it might be the single IDE hard disk that can not cope with the mix and ftp from the Ram disk?

Since the crash I have...
added a 50 second delay to recording on all campaigns
changed the mix and ftp process in crontab to 3 times a day
to try and reduce disk load

Does anyone else have any suggestions?

[okli]

I guess next question to be asked is what is loadavg during busiest hours or when this happened.

[wilson]

Total Calls in/out on this server: 0
Total Off-Hook time on this server (min):
Average/Peak channels in use for server: 23.7000 / 47
Average/Peak load for server: 130.9569 / 627
Average USER process cpu percentage: 38.9804 %
Average SYSTEM process cpu percentage: 3.3114 %
Average IDLE process cpu percentage: 57.7122 %

[wilson]

ttyload never goes above 2

[mflorell]

That's a pretty low CPU IDLE %, usually that means there are load issues.

[wilson]

After the much reduced load today, I am still having problems.

I have left a putty screen open and it looks like it is shutting down due to the cpu temp hitting 75c

Its a p4 3.2 ghz, I'm thinking that the cpu might be stepping down as its heating up over the day. Going to try changing the heatsink and fan as its running on intel stock.

I have an AMD am2 4600 would this be a lot better to run this server or would it not make much difference?

[mflorell]

The AMD won't make much of a difference.

What is the temperature of the CPU when it's running full?

What is the temperature of the server room?

[wilson]

I only know how to check the temp from Bios,
when it goes down, if I have putty screen open linux reports that it hit the 75C point so that it is shutting down.

Last night I checked the bios temp and it was 65C after a reboot.
So I put on a bigger heat sink and 120mm fan and some silver compound.

Rebooted and it peaked at 60C in bios

I have never had a CPU break on me before, but I am guessing that these temps suggest that the CPU is going wrong?

The board temp is 22C and the server room is fairly cool, no AC but it is winter.

I am still running the P4 today - and am going to replace the server over the weekend.

Budget is very low
do you think an amd 5600 with 2gig of ram will do the trick?

-Call recording on all calls after 50 seconds
-g729 to voip termination provider
-looking to expand to 15 users all with eyebeam softphones - connecting to asterisk via ulaw/alaw over the Lan
-vicidial on manual mode

In this setup would it be big boost to replace the CPU in the intel machine and use that as the MySQL server?

OR do I just need to scrap what we have and get a better server all together?

OR replace the CPU in the Intel machine and run 2 seperate servers with up to 8 users on each?

[mflorell]

If you have another server I would recommend having that operate as a transcoding server to take the load off of your dialer.

[Baylink]

In general, you can assume that the case-interior temp of your servers will be 20F higher than the ambient temp in your machine room... so if your machine room is at the apparently frigid temp of 68F (as mine is), the insides of your servers are pushing 90F... which is really probably as hot as you ever want server computers to get.

My room is *usually* at 66, but I have an AC unit down this week.

[wilson]

The jobs that the server are doing are...

asterisk accepting eyebeam clients using ulaw/alaw
vicidial manual - user clicks dial on vicidial
vicidial MySql database
vicidial webserver
recording of the calls
transcoding the g729 before sending it out over the internet

in an ideal world I would have thought that using a seperate server for each would be best! but in the real world is this the best balance with 2 servers doing the following?

User machines
Eyebeam using alaw/ulaw over Lan to Server 1

Server 1
vicidial manual - user clicks dial on vicidial
vicidial MySql database
vicidial webserver
recording of the calls
Trunking the calls to server 2


Server 2
transcoding the g729 before sending it out

If this is the best setup for now, if I get a 3rd server in the future, which of the jobs are the most intensive on server 1 to put on a 3rd server? is it the MySql Database?

[mflorell]

When you get a 3rd server you would be best off moving the MySQL database and the web server to that new server.