Unable to get data from remote host

[cigamit]

06/18/2014 06:30:02 AM - CMDPHP: Poller[0] Host[1] DS[24] SNMP: v1: 127.0.0.1, dsname: snmp_oid, oid: , output: U
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] Host[1] DS[24] WARNING: Result from SNMP not valid. Partial Result: U
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] WARNING: SNMP Get Timeout for Host:'127.0.0.1', and OID:''
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] Host[1] DS[23] SNMP: v1: 127.0.0.1, dsname: open_files, oid: .1.3.6.1.4.1.23.2.28.2.7.0, output: U
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] Host[1] DS[23] WARNING: Result from SNMP not valid. Partial Result: U
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] WARNING: SNMP Get Timeout for Host:'127.0.0.1', and OID:'.1.3.6.1.4.1.23.2.28.2.7.0'
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] Host[1] DS[22] SNMP: v1: 127.0.0.1, dsname: cache_hits, oid: .1.3.6.1.4.1.23.2.28.2.6.0, output: U
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] Host[1] DS[22] WARNING: Result from SNMP not valid. Partial Result: U
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] WARNING: SNMP Get Timeout for Host:'127.0.0.1', and OID:'.1.3.6.1.4.1.23.2.28.2.6.0'
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] Host[1] DS[21] SNMP: v1: 127.0.0.1, dsname: cache_checks, oid: .1.3.6.1.4.1.23.2.28.2.5.0, output: U
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] Host[1] DS[21] WARNING: Result from SNMP not valid. Partial Result: U
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] WARNING: SNMP Get Timeout for Host:'127.0.0.1', and OID:'.1.3.6.1.4.1.23.2.28.2.5.0'
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] Host[1] DS[20] SNMP: v1: 127.0.0.1, dsname: fs_writes, oid: .1.3.6.1.4.1.23.2.28.2.2.0, output: U
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] Host[1] DS[20] WARNING: Result from SNMP not valid. Partial Result: U
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] WARNING: SNMP Get Timeout for Host:'127.0.0.1', and OID:'.1.3.6.1.4.1.23.2.28.2.2.0'
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] Host[1] DS[19] SNMP: v1: 127.0.0.1, dsname: fs_reads, oid: .1.3.6.1.4.1.23.2.28.2.1.0, output: U
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] Host[1] DS[19] WARNING: Result from SNMP not valid. Partial Result: U
06/18/2014 06:30:02 AM - CMDPHP: Poller[0] WARNING: SNMP Get Timeout for Host:'127.0.0.1', and OID:'.1.3.6.1.4.1.23.2.28.2.1.0'

Those are your errors. I assume that its your Cacti server. Click on the number (its a link) in DS[##] and it will take you to the data source so you can figure out why that particular data source is having issues. You may trying doing an SNMP walk using the OID also.