[HPADM] SUMMARY dmesg vs. bdf ???

From: Unix-Admin (Unix-admin@triad.rr.com)
Date: Thu Aug 15 2002 - 22:39:30 EDT


Thanks to all who replied. Almost everyone said that dmesg buffers up a certain quantity of kernel messages; these messages may be old. Since there is no time stamp from dmesg it could have happened 5 minutes or 5 days ago.

Grep the /var/adm/syslog/syslog.log for vx_nospace to see when the error occurred.

One person suggested using du and fuser to get a better picture of file usage.

Check the i-nodes especially if the FS holds a lot of small files.

"df -i" or "bdf -i" on your system. This reports the number of

inodes used - it could be you've run out of those.

The default crontab.root file will empty dmesg buffer periodically:

# log kernel diagnostic messages every 10 minutes

05,15,25,35,45,55 * * * * /usr/sbin/dmesg - >>/var/adm/messages

I tried all of these and right now everything looks okay. I have set up the cron and will keep a close watch.

Thanks again to all that replied.

Tom

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