dm: UNKNOWN when no device is present but dmsetup available #158
Description
Output of check_raid -d:
# /usr/lib/nagios/plugins/check_raid -d
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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
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