doc: update information about vlserver logging

Mention the vlserver -d option can be used to set the initial logging
level.

Thanks to Mark Vitale for the suggestion.

Change-Id: Ia17a2063432343c2cf78e1b01c5897751625aae8
Reviewed-on: https://gerrit.openafs.org/12324
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>

diff --git a/doc/man-pages/pod5/VLLog.pod b/doc/man-pages/pod5/VLLog.pod
index 77d6b06..3cbf213 100644 (file)
--- a/doc/man-pages/pod5/VLLog.pod
+++ b/doc/man-pages/pod5/VLLog.pod
@@ -23,10 +23,14 @@ The VL Server records operations only as it completes them, and cannot
 recover from failures by reviewing the file. The log contents are useful
 for administrative evaluation of process failures and other problems.
 
-The VL Server can record messages at three levels of detail. By default,
-it records only very rudimentary messages. To increase logging to the
-first level of detail, issue the following command while logged onto the
-database server machine as the local superuser C<root>.
+The VL Server can record messages at several levels of detail. By default, it
+records only very rudimentary messages.  The initial level of detail
+logged by the VL Server can be set by using the B<-d> command
+line option (possibly multiple times) when it is started.
+
+To increase the level of detail logged by a running VL Server, issue
+the following command while logged onto the database server machine
+as the local superuser C<root>.
 
    # kill -TSTP <vlserver_pid>