Change ZimbraMon Disk Thresholds

Edit the file at:

/opt/zimbra/libexec/zmdisklog

Look for these lines:

my $DISK_CRIT_THRESHOLD = 90;
my $DISK_WARN_THRESHOLD = 80;

Change them as desired to give different warning/critical levels.

In one case that we worked on, the server had multiple partitions. We wanted different thresholds on each partition which was accomplished with the following patch:

--- zmdisklog.orig      2009-03-08 15:10:26.000000000 -0400
+++ zmdisklog   2009-03-08 15:13:21.000000000 -0400
@@ -77,8 +77,12 @@
                my (undef, $total, $used, $avail) = split(/\s+/, $df[0]);
     my $pct=int(($used/$total)*100) if ($total > 0);
     my $lvl = "info";
+if ($dev eq "/dev/sdb1") {
+    $lvl = "err" if ($pct > 95);
+} else {
     $lvl = "err" if ($pct > $DISK_WARN_THRESHOLD);
     $lvl = "crit" if ($pct > $DISK_CRIT_THRESHOLD);
+};
     if ($lvl eq "info") {
                  Zimbra::Mon::Logger::Log( "$lvl", "$dt, DISK: ${hostname}: dev: $dev, mp: $mp, tot: $total, avail: $avail" );
     } else {