VolserLog - Traces Volume Server operations
The VolserLog file records a trace of Volume Server (volserver process) operations on the local machine and describes any error conditions it encounters.
If the VolserLog file does not already exist in the /var/log/yfs directory when the Volume Server starts, the server process creates it and writes initial start-up messages to it.
The file is in ASCII format.
Administrators listed in the /etc/yfs/server/UserListExt file can use the bos getlog command to display its contents.
log onto the file server machine and use a text editor or a file display command such as the UNIX cat command.
the mode bits on the VolserLog file grant the required
r (read) permission to all users.
The Volume Server records operations only as it completes them, and so cannot recover from failures by reviewing the file. The log contents are useful for administrative evaluation of process failures and other problems.
The server can record messages at three levels of detail.
it records only very rudimentary messages.
To increase logging to the first level of detail,
issue the following command while logged onto the server machine as the local superuser
# kill -TSTP <server-pid>
where <server_pid> is the process ID of the vlserver process, as reported in the output from the standard UNIX ps command. To increase to the second and third levels of detail, repeat the command.
To disable logging, issue the following command:
# kill -WINCH <server-pid>
To decrease the level of logging, first completely disable it and then issue the
kill -TSTP command as many times as necessary to reach the desired level.
To rotate the log file, rename the existing file and then issue the command:
# kill -HUP <server-pid>
This will instruct the server to close and reopen the log file.
UserListExt(5), bos_getlog(8), volserver(8)
IBM Corporation 2000. http://www.ibm.com/ All Rights Reserved.
This documentation is covered by the IBM Public License Version 1.0. It was converted from HTML to POD by software written by Chas Williams and Russ Allbery, based on work by Alf Wachsmann and Elizabeth Cassell.
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