dm: UNKNOWN when no device is present but dmsetup available

[waja]

Output of check_raid -d:

# /usr/lib/nagios/plugins/check_raid -d
Visit <https://github.com/glensc/nagios-plugin-check_raid#reporting-bugs> how to report bugs

DEBUG EXEC: /sbin/dmsetup status --noflush at /usr/lib/nagios/plugins/check_raid line 482.
DEBUG EXEC: /usr/sbin/tw-cli show at /usr/lib/nagios/plugins/check_raid line 482.
DEBUG EXEC: /usr/sbin/tw-cli info c0 unitstatus at /usr/lib/nagios/plugins/check_raid line 482.
DEBUG EXEC: /usr/sbin/tw-cli info c0 drivestatus at /usr/lib/nagios/plugins/check_raid line 482.
DEBUG EXEC: /usr/sbin/tw-cli info c0 bbustatus at /usr/lib/nagios/plugins/check_raid line 482.
UNKNOWN: dm:[No devices to check]; tw_cli:[c0(9650SE-4LPML): u0(RAID-1): OK, Cache:Ri, Drives(2): p0,p1=OK]

Output of each command from check_raid -d

/sbin/dmsetup status --noflush

No devices found

/usr/sbin/tw-cli show

Ctl   Model        (V)Ports  Drives   Units   NotOpt  RRate   VRate  BBU
------------------------------------------------------------------------
c0    9650SE-4LPML 4         2        1       0       1       1      -        

/usr/sbin/tw-cli info c0 unitstatus

Unit  UnitType  Status         %RCmpl  %V/I/M  Stripe  Size(GB)  Cache  AVrfy
------------------------------------------------------------------------------
u0    RAID-1    OK             -       -       -       1862.63   Ri     ON     

/usr/sbin/tw-cli info c0 drivestatus

VPort Status         Unit Size      Type  Phy Encl-Slot    Model
------------------------------------------------------------------------------
p0    OK             u0   1.82 TB   SATA  0   -            ST32000644NS        
p1    OK             u0   1.82 TB   SATA  1   -            ST2000NM0033-9ZM175 

/usr/sbin/tw-cli info c0 bbustatus

If you need more information, please let me know.

[glensc]

duplicate: #138

use -p tw_cli as workaround until then.

[waja]

A sorry that I missed #138.

[glensc]

yes, it's not titled very attractively so you'd know it addresses the same issue.