What does the message mean?

[Katsu39]

Hello All;
We are useing the servers which are HP9000/N Class, and HP-UX11.0 on those severs.
4 of thoes had been shuted down for the maintenance.

At that time, we found the messages below.
" sync'ing disks (0) buffers to flush "
" 0 buffes not flushed "
" 0 bffers still dirty "

It didn't seem error on the systems.
But, we found those messages, on 3 of those systems which had been shuted down.
1 of those didn't show those messges.

Do someone know what's a differs bitween them.
and What are going on those systems?

Regars.
Katsu

[Biswajit Tripathy · Accepted solution]

That message is perfectly fine. Not an error.

- Biswajit

[Indira Aramandla]

Hi

There are no errors or warning messages. The above message is perfectly fine.

If you have problems this will be reported in your syslog.log and the file /var/tombstones/ts99 and there will be core dumps in /var/adm/crash.

There is noting to worry.


IA

[Suraj Singh_1]

Hi,

I think you should check the syslog.log file for any errors (if at all) in the server which did not show those messages.

Normally, system automatically recovers from this situation.

Regards

[Adisuria Wangsadinata_1]

Hi Katsu,

The message is fine, my systems also have those messages when it shuted-down. The message inform that the system is ready to power-off. Since after those message, you will see the message below :

System has halted
OK to turn off power or reset system
UNLESS "WAIT for UPS to turn off power" message was printed above

For the system that no have those message, you can check it the /etc/rc.log to check whether the system shutdown gracefully or not.

Hope this information can help.

Cheers,
Adisuria Wangsadinata

[Cem Tugrul]

Hi Katsu,

i am agree with all replies..no need to
add advice anymore.

Good Luck,

[YOGI_3]

That's not an error...
every server is checking for dirty buffers while shutting down.

[Nguyen Anh Tien]

Hi Katsu.
It is not error.
as you know. when server is shutting down all information in memory (RAM) must be flush to disk (or storage)
SO YOU SEE
" sync'ing disks (0) buffers to flush "
" 0 buffes not flushed "
" 0 bffers still dirty "
0 BUFFES IS OK. it mean buffer is empty. there is no data inside.

that all
HTH
tienna
pls, do not forget to assign point to replies

[Katsu39]

Hello everybody;

Thank you for quic replying to me.
I'm relieved to read all of replies.

And I've checked all logs but there were no erros on the severs.

Thanks,
Katsu.