Get the "dev:" entry from the lbolt
1. Get the "dev:" entry from the lbolt:
# dmesg | grep lbolt | grep dev:
SCSI: Abort -- lbolt: 18346341, dev: e7015000, io_id: 122e9a3
SCSI: Request Timeout -- lbolt: 18351441, dev: e7015000
SCSI: Abort -- lbolt: 18351441, dev: e7015000, io_id: 122e9be
SCSI: Request Timeout -- lbolt: 18356641, dev: e7015000
SCSI: Abort -- lbolt: 18356641, dev: e7015000, io_id: 122e9cf
SCSI: Request Timeout -- lbolt: 18362141, dev: e7015000
SCSI: Abort -- lbolt: 18362141, dev: e7015000, io_id: 122e9e0
SCSI: Request Timeout -- lbolt: 74105435, dev: 1f000000
SCSI: Abort Tag -- lbolt: 74105435, dev: 1f000000, io_id: 4ead34
Here we have two:
1f
e7
2. This is the major number of the device in question. Convert the first
two digits of the device from hex to decimal:
# printf "%#d\n" 0x1f
31
3. find out what driver this major number is. It tells us the type of
device:
# lsdev 31
Character Block Driver Class
188 31 sdisk disk
So, this is probably a disk !
4. Find the device file entry from the remainder of the lbolt error:
SCSI: Abort Tag -- lbolt: 74105435, dev: 1f000000, io_id: 4ead34
This is the minor number for the device that is failing.
a. Block device:
# ll -R /dev/ | grep 31 | grep 0x000000
brw-r----- 1 bin sys 31 0x000000 Jul 15 16:25 c0t0d0
Or:
b. Character Device:
# ll -R /dev/ | grep 188 | grep 0x000000
crw-r----- 1 bin sys 188 0x000000 Oct 11 07:15 c0t0d0
5. Find the Hardware Address:
# lssf /dev/dsk/c0t0d0
sdisk card instance 0 SCSI target 0 SCSI LUN 0 section 0
at address 0/0/0.0.0 /dev/dsk/c0t0d0
6. Find the type of device:
# diskinfo /dev/rdsk/c0t0d0# diskinfo /dev/rdsk/c0t0d0
SCSI describe of /dev/rdsk/c0t0d0:
vendor: DGC
product id: C2300WDR1
type: direct access
size: 4102875 Kbytes
bytes per sector: 512
So, we have a Nike disk at hardware address 0/0/0.0.0, device file
/dev/dsk/c0t0d0
7. cX numbers break down as follows:
a. # cd /dev/dsk/
# ll
total 0
brw-r----- 1 bin sys 31 0x010000 Sep 13 2002 c1t0d0
brw-r----- 1 bin sys 31 0x012000 Sep 13 2002 c1t2d0
brw-r----- 1 bin sys 31 0x190000 Apr 30 13:02 c25t0d0
b. 0x 01 0 0 00
-- - - --
| | | |
| | | flags
| | lun
| target
ext_bus
c. ioscan -fnk | more
Class I H/W Path Driver S/W State H/W Type Description
=======================================================================
...
ext_bus 1 0/0/1/1 c720 CLAIMED INTERFACE SCSI C896 Ultra Wi
target 2 0/0/1/1.0 tgt CLAIMED DEVICE
disk 0 0/0/1/1.0.0 sdisk CLAIMED DEVICE HP 18.2GMAN3184MC
/dev/dsk/c1t0d0 /dev/rdsk/c1t0d0