[Xymon] Checking disk space on a "backup" system

[Jeremy Laidman]

On 11 April 2013 00:27, Michael Beatty <Michael.Beatty at sherwin.com> wrote:

> My initial thought was to write an extension script that does an 'rsh
> backup du /home/user/' and parsing the results and test against a
> threshold, but I would prefer to utilize what is built into xymon before
> recreating the wheel.
>

There's nothing within Xymon that supports this, without a client
installation.  As others have said, this might not be a bad idea anyway.
 Just have the client run and report its details.  But if you don't want to
do this...

If you have snmp enabled on the server, you can get disk space using
devmon, which is not part of Xymon, but a well-used add-on.

You have identified one risk: that the disk fills up.  But what about the
risk that the backup copy process fails for another reason (account
expires, rsh/ssh daemon stopped, out of inodes, etc).  So you probably want
to build some tests into your copy script and have it report success to
Xymon.  While you're at it, just get the "du" output and report that also.
 If you use a client message, you can report as little or as much info as
you like.  A status message would be required for the backup result:

SERVERNAME=name.of.server
REPORT=`backup_to_server $SERVERNAME`  # calls backup function, which
returns empty report if OK
# report status
if [ "$REPORT" ]; then
  printf "status $SERVERNAME.backup red `date` Backup to $SERVERNAME
failed\n$REPORT\n"
else
  printf "status $SERVERNAME.backup green `date` Backup to $SERVERNAME OK\n"
fi  | xymoncmd sh -c 'xymon $XYMSRV @'
# report client data
CLIENTDATA=`ssh $SERVERNAME 'echo "[uptime]"; uptime; echo "[df]"; df -Pl
/home/usr; echo "[inode]"; df -Pil /home/usr'`
printf "client $SERVERNAME.linux\n$CLIENTDATA\n" | xymoncmd sh -c 'xymon
$XYMSRV @'


J
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.xymon.com/pipermail/xymon/attachments/20130411/9260da17/attachment.html>