[Pkg-nagios-devel] Bug#742943: check_raid: wants mpt-statusd / mptctl

[Evgeni Golov]

Hi,

On Sat, Mar 29, 2014 at 09:13:08AM +0100, Daniel Pocock wrote:

> I'm using check_raid for an md RAID (managed by mdadm)
> 
> However, I get errors if mptctl is not loaded:
> 
> # /usr/lib/nagios/plugins/check_raid
> open /dev/mptctl: No such file or directory
>   Try: mknod /dev/mptctl c 10 220
> Make sure mptctl is loaded into the kernel
> OK: md:[md0(raid1):UU]
> 
> 
> The errors are on stderr, regular status info is on stdout
> 
> Loading mptctl manually makes the errors go away:
> 
>    # modprobe mptctl
> 
> but it would be nice if I didn't have to make any workaround like this.

The "proper" fix would be not having "mpt-status" installed :)
One could also add "--autoload" to the mpt-status call, but I am not 
sure this is a good idea.

> If I don't have the mpt-statusd package on my system at all, check_raid
> gives spurious warnings:
> 
> # /usr/lib/nagios/plugins/check_raid
> OK: md:[md0(raid1):UU]mpt:mpt-status program not found

This is fixed upstream since 3.0 and in Debian since 5.20130307.

> Apart from this spurious output, it does actually work correctly for my
> md RAID and correctly detected a disk failure this week.
> 
> The system in question does have MPT hardware, but the hardware RAID
> feature is not in use.

Mhh...