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Full Discussion: Lun remove, stuck in /dev/dsk and /dev/rdsk
Operating Systems Solaris Lun remove, stuck in /dev/dsk and /dev/rdsk Post 302800619 by DustinT on Tuesday 30th of April 2013 07:47:16 AM
Old 04-30-2013
Lun remove, stuck in /dev/dsk and /dev/rdsk
So, we removed a LUN from the SAN and the system is refusing to remove the references to it in the /dev folder. I've done the following:

devfsadm -Cv
powermt -q
luxadm -e offline <drive path>
luxadm probe

All those commands failed to remove the path. The drive stills shows up as <drive type unknown> using the format command. Any ideas?

---------- Post updated at 07:47 AM ---------- Previous update was at 07:21 AM ----------

Oh, I forgot to add I've reboot --r too. Here's some ouput that show more info on the error and steps I've taken.

Code:
bash-3.2# cfgadm -a -o show_SCSI_LUN
Ap_Id                          Type         Receptacle   Occupant     Condition
c1                             fc           connected    unconfigured unknown
c2                             fc-fabric    connected    configured   unknown
c2::500601623ce01998,0         disk         connected    configured   unknown
c2::500601623ce01998,1         disk         connected    configured   unknown
c2::500601623ce01998,2         disk         connected    configured   unknown
c2::5006016a3ce01998,0         disk         connected    configured   unknown
c2::5006016a3ce01998,1         disk         connected    configured   unknown
c2::5006016a3ce01998,2         disk         connected    configured   unknown
bash-3.2# echo|format
Searching for disks...done


AVAILABLE DISK SELECTIONS:
       0. c0t0d0 <SUN80G cyl 65533 alt 2 hd 16 sec 149>
          /pci@7c0/pci@0/pci@8/scsi@2/sd@0,0
       1. c2t5006016A3CE01998d0 <drive type unknown>
          /pci@780/SUNW,qlc@0,1/fp@0,0/ssd@w5006016a3ce01998,0
       2. c2t5006016A3CE01998d1 <DGC-RAID5-0429 cyl 40958 alt 2 hd 256 sec 10>
          /pci@780/SUNW,qlc@0,1/fp@0,0/ssd@w5006016a3ce01998,1
       3. c2t5006016A3CE01998d2 <DGC-RAID5-0429 cyl 51198 alt 2 hd 256 sec 16>  new_lun
          /pci@780/SUNW,qlc@0,1/fp@0,0/ssd@w5006016a3ce01998,2
       4. c2t500601623CE01998d0 <drive type unknown>
          /pci@780/SUNW,qlc@0,1/fp@0,0/ssd@w500601623ce01998,0
       5. c2t500601623CE01998d1 <DGC-RAID5-0429 cyl 40958 alt 2 hd 256 sec 10>
          /pci@780/SUNW,qlc@0,1/fp@0,0/ssd@w500601623ce01998,1
       6. c2t500601623CE01998d2 <DGC-RAID5-0429 cyl 51198 alt 2 hd 256 sec 16>  new_lun
          /pci@780/SUNW,qlc@0,1/fp@0,0/ssd@w500601623ce01998,2
       7. emcpower0e <DGC-RAID5-0429 cyl 40958 alt 2 hd 256 sec 10>
          /pseudo/emcp@0
       8. emcpower2d <DGC-RAID5-0429 cyl 51198 alt 2 hd 256 sec 16>  new_lun
          /pseudo/emcp@2
Specify disk (enter its number): Specify disk (enter its number):
bash-3.2# cfgadm -c unconfigure -o unusable_SCSI_LUN c2::5006016A3CE01998d0
bash-3.2# cfgadm -c unconfigure -o unusable_SCSI_LUN c2::500601623CE01998d0
bash-3.2# luxadm probe
No Network Array enclosures found in /dev/es

Found Fibre Channel device(s):
  Node WWN:50060160bce01998  Device Type:Disk device
    Logical Path:/dev/rdsk/c2t5006016A3CE01998d0s2
    Logical Path:/dev/rdsk/c2t500601623CE01998d0s2
  Node WWN:50060160bce01998  Device Type:Disk device
    Logical Path:/dev/rdsk/c2t5006016A3CE01998d1s2
    Logical Path:/dev/rdsk/c2t500601623CE01998d1s2
  Node WWN:50060160bce01998  Device Type:Disk device
    Logical Path:/dev/rdsk/c2t5006016A3CE01998d2s2
    Logical Path:/dev/rdsk/c2t500601623CE01998d2s2
bash-3.2# devfsadm -Cv

 

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LEARN ABOUT OPENSOLARIS

dev

dev(7FS)							   File Systems 							  dev(7FS)

NAME

       dev - Device name file system

DESCRIPTION

       The  dev  filesystem  manages  the  name  spaces  of devices under the Solaris operating environment. The global zone's instance of the dev
       filesystem is mounted during boot on /dev.

       A subdirectory under /dev may have unique operational semantics. Most of the common device names under /dev are	created  automatically	by
       devfsadm(1M).   Others,	such  as  /dev/pts,  are dynamic and reflect the operational state of the system. You can manually generate device
       names for newly attached hardware by invoking devfsadm(1M) or implicitly, by indirectly causing	a  lookup  or  readdir	operation  in  the
       filesystem to occur.  For example, you can discover a disk that was attached when the system was powered down (and generate a name for that
       device) by invoking format(1M)).

FILES

       /dev    Mount point for the /dev filesystem in the global zone.

SEE ALSO

       devfsadm(1M), format(1M), devfs(7FS)

NOTES

       The global /dev instance cannot be unmounted.

SunOS 5.11							    9 June 2006 							  dev(7FS)
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