problem with a disk

From: Cohen, Andy <Andy.Cohen_at_cognex.com>
Date: Tue, 23 Sep 2003 13:24:36 -0400

Hi,

I just moved a machine (AS 800) running 5.1A PK4 with 2 attached storage
devices. Upon powering up and rebooting one of the disks isn't showing up.

When I issue:

        hwmgr -show scsi -full

it shows (just a relevant snippet, not the whole output because there are
more attached devices than just these):


       SCSI DEVICE DEVICE DRIVER NUM DEVICE FIRST
HWID: DEVICEID HOSTNAME TYPE SUBTYPE OWNER PATH FILE VALID PATH
-------------------------------------------------------------------------
  47: 8 sif disk none 2 1 dsk6 [2/0/0]

     WWID:03100030:"RZ2ED-LS (C) DECSEAGATE ST11820LC LK767218"


     BUS TARGET LUN PATH STATE
     ---------------------------------
     2 0 0 valid


       SCSI DEVICE DEVICE DRIVER NUM DEVICE FIRST
HWID: DEVICEID HOSTNAME TYPE SUBTYPE OWNER PATH FILE VALID PATH
-------------------------------------------------------------------------
  48: 9 sif disk none 0 1 (null)

     WWID:03100030:"RZ2ED-LS (C) DECSEAGATE ST11820LC LK768717"


     BUS TARGET LUN PATH STATE
     ---------------------------------
     2 1 0 stale


       SCSI DEVICE DEVICE DRIVER NUM DEVICE FIRST
HWID: DEVICEID HOSTNAME TYPE SUBTYPE OWNER PATH FILE VALID PATH
-------------------------------------------------------------------------
  49: 10 sif disk none 2 1 dsk8 [2/3/0]

     WWID:0c000008:0000-0e11-001e-5872


     BUS TARGET LUN PATH STATE
     ---------------------------------
     2 3 0 valid


You can see that dsk6 and dsk8 are fine but what should be dsk7 shows
(null). The PATH STATE for dsk6 and dsk8 is 'valid' but the PATH STATE for
what should be dsk7 is 'stale'.


When I issue 'disklabel -r dsk7' I get:
 
        disklabel: dsk7: No such device or address


I don't see any errors in either /var/adm/messages or from the output of
'uerf -R|more'. Also, the yellow fault light is NOT on.

Any thoughts?

Thanks!
Andy


Andy Cohen
Database Systems Administrator
Cognex Corporation
1 Vision Drive
Natick, MA 01760
508-650-3079
Received on Tue Sep 23 2003 - 17:27:07 NZST

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