From: Wilkinson, Alex (alex.wilkinson@dsto.defence.gov.au)
Date: Fri Oct 01 2004 - 02:13:25 EDT
Hi all,
I have a perplexing problem:
In a nutshell, /dev/rmt/0cbn disappears on an adhoc basis.
Details
-------
We have HP-Ultrium1 2/20 zoned to a set of hosts in a SAN fabric.
Typically all hosts in the zone can access the HP-Ultrium1 2/20 via FC. However, on
an adhoc basis the device node on one of our solaris boxes 'disappears'.
e.g
# ls -l /dev/rmt/0cbn
lrwxrwxrwx 1 root root 72 Aug 30 10:24 /dev/rmt/0cbn -> ../../devices/pci@1e,600000/SUNW,qlc@3/fp@0,0/st@w100000e00221f9b9,2:cbn
# ls -l /devices/pci@1e,600000/SUNW,qlc@3/fp@0,0/st@w100000e00221f9b9,2:cbn
/devices/pci@1e,600000/SUNW,qlc@3/fp@0,0/st@w100000e00221f9b9,2:cbn: No such file or directory
# devfsadm
# rem_drv st
# add_drv -v st
exit status = 0
devfsadm: driver failed to attach: st
exit status = 11
Warning: Driver (st) successfully added to system but failed to attach
Driver (st) installed.
If we reboot the box the device node is re-created and all works fine.
The box in question is: Solaris 9 4/04 s9s_u6wos_08a SPARC
The HBA is a SunFC Qlogic FCA v20040305-1.38
Can anyone suggest other methods to debug/diagnose this problem ?
Regards
- alex
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