PROBLEM (zmstatd doesnt run) [zimbra@mail ~]$ zmstatctl status Running: zmstat-cpu Running: zmstat-mysql Running: zmstat-io-x process 16010 in /opt/zimbra/zmstat/pid/zmstat-fd.pid not running Running: zmstat-proc Running: zmstat-df Running: zmstat-vm Running: zmstat-mtaqueue Running: zmstat-allprocs Running: zmstat-io SOLUTION [zimbra@mail ~]$ mv /opt/zimbra/zmstat/pid/zmstat-fd.pid  /opt/zimbra/zmstat/pid/zmstat-fd.pid.old [zimbra@mail ~]$ zmcontrol stop && zmcontrol start << restart zimbra server

Check the permission of the /opt/zimbra/zmstat directory: # ls -la /opt/zimbra/zmstat drwxr-xr-x 2 root root 4096 Apr 26 00:00 2010-04-25 drwxr-xr-x 2 root root 4096 Apr 27 00:00 2010-04-26 drwxr-xr-x 2 root root 4096 Apr 28 00:00 2010-04-27 drwxr-xr-x 2 root root 4096 Apr 29 00:00 2010-04-28 drwxr-xr-x 2 root root 4096 Apr 30 00:00…