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Server Rebooted

 
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John Ferro
Regular Advisor

Server Rebooted

Hello,

I have HP 9000/800/SD64000, unfortunately server rebooted. Which log files i should look into to know the real cause of reboot. Pls. mention any docs clarify how to analyze reboot log files.

Regards,
John
9 REPLIES
SoorajCleris
Honored Contributor
Solution

Re: Server Rebooted

Hi,

You may check for the Crash dumps, There are different types of Crashes,

1.Panic, toc, SG toc, and HPMC. If your server was crashed because of HPMC it will give you

/var/tombstones/ts99

check for the crash files in /var/adm/crash (default )

Analysis these dumps is not that easy ( user) you may please contact HP.

Regards,
Sooraj
"UNIX is basically a simple operating system, but you have to be a genius to understand the simplicity" - Dennis Ritchie
sen_ux
Valued Contributor

Re: Server Rebooted

Check /etc/shutdownlog
#cat /etc/shutdownlog

this will give a hint on what caused the server reboot.

Check for extstance of ts99 and crash with a valid timestamp.

For a detailed analysis, you may open a case with HP and they will help you further.
Shailendran V Naidu
Frequent Advisor

Re: Server Rebooted

Server reboots if :

There is a Hardware failure
Software failure like a Panic.

If you look at /etc/shutdownlog and there is a line like :

timestamp Panic ------- something ---


in that file it is a Panic condition can be triggered by s/w.

If there is no entry as such then it is a Hardware issue. You may want to check tombstones for a ts99 file and verify the timestamp and timestamp the server has rebooted.

If both are not the case - Mostly the issue can be related to power problems at site.
Raj D.
Honored Contributor

Re: Server Rebooted

John,

You can also check GSP log :
SL --> SEL ->
Also check by alert level , you can choose "7" fatal error logs.

-First of all you can check the /etc/shutdownlog to see the cause of the reboot, if it is "reboot badnews" , check for anyother information there.

- Also to check /var/adm/crash/crash.x
if there is any crash.0 present with the timestamp , the the crash dump can be uploaded to HP FTP site for analysis. And they will provide the cause of the crash. Or they will tell if there is any defective hardware need to replace .

- also to check /var/tombstone/ if there is any file with valid cpu timestamp. May be you got some faulty cpu.


Cheers,
Raj.
" If u think u can , If u think u cannot , - You are always Right . "
Raj D.
Honored Contributor

Re: Server Rebooted

Also if the reboot is due to a power outage, there will be no entry in the log in /etc/shutdownlog .
Cool!.
Then it needs to be check from GSP log, and it will report power input issue.

Once you verified the above you can come to a conclusion the cause of the reboot.

Cheers,
Raj.
" If u think u can , If u think u cannot , - You are always Right . "

Re: Server Rebooted

Strictly speaking your problem isn't that your server automatically rebooted, it's that it crashed.
Sudeesh
Respected Contributor

Re: Server Rebooted

Verify /etc/shutdownlog ->
if you see an entry with latest timestamp, check if someone rebooted the server or it is a panic(you can identify from the shutdownlog entry)

If panic -> check /var/tombstones/ts99 and /var/adm/crash/crash.#(Usually only HP can analyze these files)

No entry in shutdownlog -> login to MP -> SL -> and check if there are any errors logged with latest timestamp. HP can decode the logs for you.

Thanks

Sudeesh
The most predictable thing in life is its unpredictability
John Ferro
Regular Advisor

Re: Server Rebooted

Hi

Thanks to all for your time, i checked all log files and HP Mission critical team found oracle related issue...

Regards,
John Ferro
Regular Advisor

Re: Server Rebooted

Thanks....