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Server crash/freeze every saturday

Server crash/freeze every saturday
« on: February 21, 2018, 08:31:18 AM »
Hello everyone,
our server crash every Saturday morning for no apparent reason.
rebooting the bios indicates overheating temperature.

looking in the logs I have this, an idea ...
Thx for your help.
see u - chris

IN THE MESSAGES

Feb 17 00:38:14 sme-hp init: tty (/dev/tty1) main process (3296) killed by TERM signal
Feb 17 00:38:14 sme-hp init: tty (/dev/tty2) main process (3298) killed by TERM signal
Feb 17 00:38:14 sme-hp init: tty (/dev/tty3) main process (3300) killed by TERM signal
Feb 17 00:38:14 sme-hp init: tty (/dev/tty4) main process (3303) killed by TERM signal
Feb 17 00:38:14 sme-hp init: tty (/dev/tty5) main process (3306) killed by TERM signal
Feb 17 00:38:14 sme-hp init: tty (/dev/tty6) main process (3309) killed by TERM signal
Feb 17 00:38:15 sme-hp acpid: exiting
Feb 17 00:38:16 sme-hp console-kit-daemon[8639]: WARNING: no sender
Feb 17 00:38:16 sme-hp init: Disconnected from system bus
Feb 17 00:38:16 sme-hp kernel: Kernel logging (proc) stopped.
Feb 17 00:38:16 sme-hp rsyslogd: [origin software="rsyslogd" swVersion="5.8.10" x-pid="22261" x-info="http://www.rsyslog.com"] exiting on signal 15.

IN THE CRONTAB

Feb 17 00:00:01 sme-hp CROND[7540]: (root) CMD (/usr/lib/sa/sa1 1 1)
Feb 17 00:01:01 sme-hp CROND[7575]: (root) CMD (run-parts /etc/cron.hourly)
Feb 17 00:01:01 sme-hp run-parts(/etc/cron.hourly)[7575]: starting 0anacron
Feb 17 00:01:01 sme-hp anacron[7586]: Anacron started on 2018-02-17
Feb 17 00:01:01 sme-hp anacron[7586]: Jobs will be executed sequentially
Feb 17 00:01:01 sme-hp anacron[7586]: Normal exit (0 jobs run)
Feb 17 00:01:01 sme-hp run-parts(/etc/cron.hourly)[7588]: finished 0anacron
Feb 17 00:05:01 sme-hp CROND[7697]: (root) CMD (/etc/e-smith/events/actions/openvpn-bridge-update-crl 2>&1 /dev/null)
Feb 17 00:10:01 sme-hp CROND[7857]: (root) CMD (/usr/lib/sa/sa1 1 1)
Feb 17 00:12:01 sme-hp CROND[7911]: (root) CMD (/sbin/e-smith/smeserver-clamscan)
Feb 17 00:20:01 sme-hp CROND[8142]: (root) CMD (/usr/lib/sa/sa1 1 1)
Feb 17 00:30:01 sme-hp CROND[8422]: (root) CMD (/usr/lib/sa/sa1 1 1)
Feb 17 00:37:01 sme-hp CROND[8614]: (root) CMD (/sbin/e-smith/warnquota)
Feb 17 00:38:15 sme-hp crond[1856]: (CRON) INFO (Shutting down)

Offline Stefano

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Re: Server crash/freeze every saturday
« Reply #1 on: February 21, 2018, 12:32:10 PM »
check the lines before Feb 17 00:38:14 in messages
Consulente di Smeserver.it -  Soluzioni e supporto su Sme server in Italia

Re: Server crash/freeze every saturday
« Reply #2 on: February 21, 2018, 03:14:59 PM »
i believe that's not important...
juste have look

Feb 16 22:30:35 sme-hp dhcpd: DHCPACK on 192.168.3.71 to 64:b9:e8:cf:08:d2 (imac-freelance-1) via br0
Feb 17 00:31:24 sme-hp dhcpd: Wrote 20 leases to leases file.
Feb 17 00:31:24 sme-hp dhcpd: DHCPREQUEST for 192.168.3.71 from 64:b9:e8:cf:08:d2 (imac-freelance-1) via br0
Feb 17 00:31:24 sme-hp dhcpd: DHCPACK on 192.168.3.71 to 64:b9:e8:cf:08:d2 (imac-freelance-1) via br0

Offline Stefano

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Re: Server crash/freeze every saturday
« Reply #3 on: February 21, 2018, 04:39:33 PM »
ok.. is AV scanning active? if so, since it's an heavy task for the cpu, it's likely the source of your problem.

in any case, "CPU overheating" means that your CPU/server is not efficiently cooled.
Consulente di Smeserver.it -  Soluzioni e supporto su Sme server in Italia

Re: Server crash/freeze every saturday
« Reply #4 on: February 21, 2018, 04:56:18 PM »
interesting, I'll watch this.
thanks for the idea...

many thx

Re: Server crash/freeze every saturday
« Reply #5 on: February 21, 2018, 05:02:20 PM »
AV was active once a week. I stopped to test. I also took the risk of removing in bios mode "restart" if there is overheating.

but I do not understand why it sends the signal badly and the server does not simply restart.

thx for all.

Offline JohnG

Re: Server crash/freeze every saturday
« Reply #6 on: February 22, 2018, 05:35:18 AM »
Virus scanning taxes the system but regardless, it should never overheat. Disabling it fixes the symptom but not the problem.

Re: Server crash/freeze every saturday
« Reply #7 on: February 26, 2018, 08:14:36 AM »
you're right, it's hard to know what causes this, the server is new, the disk too ...

Re: Server crash/freeze every saturday
« Reply #8 on: February 16, 2019, 07:38:15 AM »
you're right, it's hard to know what causes this, the server is new, the disk too ...

Did you ever find the root cause for this? My 9.2 system has been doing this at 00:30 every Saturday for some time now also. Can't find anything in the logs...

Offline ReetP

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Re: Server crash/freeze every saturday
« Reply #9 on: February 16, 2019, 03:07:22 PM »
First thing is check what is running at the time.

Quite possibly clamscan, but it won't trip as soon as it starts, but after a period as the machine works harder & generates more heat. It might take a while to get that hot.

Have you got a system monitor installed to watch processes and temps? Sme9admin or system monitor?

That should show processes/load/temps.

If it is overheating....

Check the trip temps in the BIOS.

Check all your fans are clean and working (including PSU), all the vents are clean, and the heatsinks have no dust & hair build up.

CPU fan & heatsink are the most likely culprits.
...
1. Read the Manual
2. Read the Wiki
3. Don't ask for support on Unsupported versions
4. I have a job, wife, and kids and do this in my spare time. If you want something fixed, please help.

Bugs are easier than you think: http://wiki.contribs.org/Bugzilla_Help

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Re: Server crash/freeze every saturday
« Reply #10 on: February 18, 2019, 08:05:05 AM »
the server is in a cabinet without a back panel. overheating occurs during backup.
if I open the doors during the weekend it's okay ...
everything seems normal in the fans and in the bios, the server is new, he always did that, like the old one.

Thanks for your help...

Offline ReetP

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Re: Server crash/freeze every saturday
« Reply #11 on: February 19, 2019, 04:43:06 PM »
Yup. Backup would do it too.

I'd take a serious look at your ventilation which is obviously inadequate.

More fans required.....
...
1. Read the Manual
2. Read the Wiki
3. Don't ask for support on Unsupported versions
4. I have a job, wife, and kids and do this in my spare time. If you want something fixed, please help.

Bugs are easier than you think: http://wiki.contribs.org/Bugzilla_Help

If you love SME and don't want to lose it, join in: http://wiki.contribs.org/Koozali_Foundation