Unable to get information from zmcontrol

This issue is mainly occurring due to the incorrect permission of /opt/zimbra/redolog and /opt/zimbra/redolog/redo.log.

Do the following steps:

[root@zimbra bin]# ls -l /opt/zimbra/redolog
total 8
drwxr-x--- 2 root root 4096 Mar 20 13:17 archive
-rw-r----- 1 root root 1292 Apr 11 19:11 redo.log

The chower ship of /opt/zimbra/redolog/redo.log and /opt/zimbra/redolog must be zimbra.

chown -R zimbra.zimbra /opt/zimbra/redolog/

[root@zimbra bin]# ls -l /opt/zimbra/redolog
total 8
drwxr-x--- 2 zimbra zimbra 4096 Mar 20 19:17 archive
-rw-r----- 1 zimbra zimbra 1292 Apr 11 19:59 /opt/zimbra/redolog/redo.log

Now try the "zmcontrol status" and "zmcontrol start". This will work fine now.

Note: If you are facing difficulty in running "zmcontrol status", try the exact path "/opt/zimbra/bin/zmcontrol status".