file system OCFS2 not discovered zabbix_agent

[Hoper.me]

I have:
Zabbix server 3.0.10
Zabbix agent v2.4.7 (revision 56694) (12 November 2015)
#mount
...
/dev/vdc on /tails/tails0 type ocfs2 (rw,relatime,_netdev,heartbeat=local,nointr,data=o rdered,errors=remount-ro,atime_quantum=60,coherency=full,user_xattr,acl, _netdev)...

[ugis]

Hi!

We have set up zabbix agent on Oracle VM virtualization hosts(cut down linux version with xen support).

Problem is - agent does not discover mounted ocfs2 file systems(template OS linux, discovery rules).

These file systems are visible as normal local...