LSI SAS status tool

If you have LSI SAS attached drives with FusionMPT then you can monitor it with this: http://hwraid.le-vert.net/wiki/LSIFusionMPTSAS2#a2.Linuxkerneldrivers
There is a repo: http://hwraid.le-vert.net/wiki/DebianPackages

#> apt-get install sas2ircu-status

then:

#>sas2ircu-status
-- Controller informations --
-- ID | Model
c0 | SAS2008

-- Arrays informations --
-- ID | Type | Size | Status
c0u0 | RAID1 | 1907G | Okay (OKY)

-- Disks informations
-- ID | Model | Status
c0u0p0 | ST32000644NS (9WM3BMY3) | Optimal (OPT)
c0u0p1 | ST32000644NS (9WM3F3XK) | Optimal (OPT)

or

#> sas2ircu-status --nagios
RAID OK - Arrays: OK:1 Bad:0 - Disks: OK:2 Bad:0