[collectd] Help with exec plugin

[lists]

Hi

I am trying to get the exec plugin going as I want to record the hard
drive temperatures on a 3Ware RAID card. I am having a little
difficulty. I wonder if someone could point me in the right direction as
I think I have it all configured correctly.

Collectd is running the exec script. I can see this in a output of 'ps'
so my sudo is all setup correctly.

I have use the script provided in the contrib folder for monitoring the
HDD temperatures on a 3Ware RAID controller. I have modified this a
little for the extra HDD that are on my controller.

The output from this script is:

fileserver/exec-smart/temperature-3ware_0 interval=60 N:33
fileserver/exec-smart/temperature-3ware_1 interval=60 N:34
fileserver/exec-smart/temperature-3ware_2 interval=60 N:34
fileserver/exec-smart/temperature-3ware_3 interval=60 N:33

In the logs I am getting this:

Aug  3 11:00:46 fileserver collectd[28949]: cmd putval: parse_value:
Number of values incorrect: Got 0, expected 1. Identifier is
`fileserver/exec-smart/temperature-3ware_0'.
Aug  3 11:00:46 fileserver collectd[28949]: cmd putval: parse_value:
Number of values incorrect: Got 0, expected 1. Identifier is
`fileserver/exec-smart/temperature-3ware_1'.
Aug  3 11:00:46 fileserver collectd[28949]: cmd putval: parse_value:
Number of values incorrect: Got 0, expected 1. Identifier is
`fileserver/exec-smart/temperature-3ware_2'.
Aug  3 11:00:46 fileserver collectd[28949]: cmd putval: parse_value:
Number of values incorrect: Got 0, expected 1. Identifier is
`fileserver/exec-smart/temperature-3ware_3'.

My exec part of the sensors collectd.conf file:

<Plugin exec>
        Exec "sensors:sensors" "/usr/lib64/collectd/exec-smartctl"
</Plugin>

Thanks for any pointers as I'm sure it is something I have wrong.

Regards
Daniel