HP-UX undetected disk drive Post: 8188

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Operating Systems HP-UX HP-UX undetected disk drive Post 8188 by sam_pointer on Monday 8th of October 2001 06:53:10 AM

10-08-2001

Registered User

HP-UX undetected disk drive

[this is also posted in the dummies forum, apologise for duplication]

I have installed a new SCSI drive into an HP6000-SE SCSI tower conencted to an old HP9000. This device cannot be detected by SAM. HOWEVER, when doing an ioscan -f I get:

======================================================================
bc 0 root CLAIMED BUS_NEXUS
bc 1 56 bc CLAIMED BUS_NEXUS Bus Converter
lanmux 0 56/36 lanmux0 CLAIMED INTERFACE HP J2146A - 802.3 LAN
lan 1 56/36.1 lan3 CLAIMED INTERFACE
ext_bus 0 56/52 scsi1 CLAIMED INTERFACE HP 28655A - SE SCSI ID
=7
target 0 56/52.0 target CLAIMED DEVICE
tape 0 56/52.0.0 tape2 CLAIMED DEVICE HP HP35480A
target 6 56/52.1 target CLAIMED DEVICE
disk 5 56/52.1.0 disc3 CLAIMED DEVICE SEAGATE ST34371N
target 4 56/52.3 target CLAIMED DEVICE
disk 3 56/52.3.0 disc3 CLAIMED DEVICE SEAGATE ST32550N
target 5 56/52.4 target CLAIMED DEVICE
disk 4 56/52.4.0 disc3 CLAIMED DEVICE HP C3010M1
target 3 56/52.5 target CLAIMED DEVICE
disk 2 56/52.5.0 disc3 CLAIMED DEVICE HP C2490AM
target 2 56/52.6 target CLAIMED DEVICE
disk 1 56/52.6.0 disc3 CLAIMED DEVICE SEAGATE ST32550N
unknown -1 56/53 UNCLAIMED UNKNOWN HP 28655A - Parallel I
nterface
tty 0 56/56 mux2 CLAIMED INTERFACE MUX
ba 0 60 bus_adapter CLAIMED BUS_NEXUS Core I/O Adapter
lan 0 60/6 lan2 CLAIMED INTERFACE Built-in LAN
processor 0 62 processor CLAIMED PROCESSOR Processor
memory 0 63 memory CLAIMED MEMORY Memory

where the new disk is the ST43471N. Doing an ioscan -u gives:

H/W Path Class Description
========================================
56/36.1 lan
56/52.0.0 tape HP HP35480A
56/52.1.0 disk SEAGATE ST34371N
56/52.3.0 disk SEAGATE ST32550N
56/52.4.0 disk HP C3010M1
56/52.5.0 disk HP C2490AM
56/52.6.0 disk SEAGATE ST32550N
56/56 tty MUX
60/6 lan Built-in LAN

and an ioscan -k:

==========================================
bc
56 bc Bus Converter
56/36 lanmux HP J2146A - 802.3 LAN
56/36.1 lan
56/52 ext_bus HP 28655A - SE SCSI ID=7
56/52.0 target
56/52.0.0 tape HP HP35480A
56/52.1 target
56/52.1.0 disk SEAGATE ST34371N
56/52.3 target
56/52.3.0 disk SEAGATE ST32550N
56/52.4 target
56/52.4.0 disk HP C3010M1
56/52.5 target
56/52.5.0 disk HP C2490AM
56/52.6 target
56/52.6.0 disk SEAGATE ST32550N
56/53 unknown HP 28655A - Parallel Interface
56/56 tty MUX
60 ba Core I/O Adapter
60/6 lan Built-in LAN
62 processor Processor
63 memory Memory

which leaves me banging my head against a wall as to why the drive is undetected. I'll admit that I'm not too skilled in HP-UX hardware and configuration. As a hunch the dual entries of the 28655A Parallel interface in the output of ioscan -f seem suspicious.

I am about to remove the device in question and reboot the machine (this can't be done too ofter as the machine is a production server) to compare the outputs of ioscan before and after.

Any pointers? In advance, you'll save my life (and my hair) if you can help. Thanks:

sam_pointer

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LEARN ABOUT DEBIAN

scsi_stop

SCSI_STOP(8)							     SG3_UTILS							      SCSI_STOP(8)

NAME

       scsi_stop - stop (spin down) one or more SCSI disks

SYNOPSIS

       scsi_stop [--help] [--verbose] [--wait] DEVICE [DEVICE]*

DESCRIPTION

       This Bourne shell script calls the sg_start utility on each given DEVICE. The purpose is to spin down (stop) each given DEVICE.

OPTIONS

       Arguments to long options are mandatory for short options as well.

       -h, --help
	      print out the usage message then exit.

       -v, --verbose
	      increase level or verbosity.

       -w, --wait
	      wait for the spin down (stop) on each given DEVICE to complete.  The default action is to do each stop in immediate mode.

NOTES

       The sg_start utility calls the SCSI START STOP UNIT command and can either start (spin up) or stop (spin down) a SCSI disk depending on the
       given command line options.

EXIT STATUS

       The exit status of this script is 0 when it is successful. Otherwise the exit status is that of the last sg_start utility called.  See  the
       sg3_utils(8) man page.

AUTHORS

       Written by D. Gilbert

COPYRIGHT

       Copyright (C) 2009 Douglas Gilbert
       This  software  is distributed under a FreeBSD license. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR-
       POSE.

SEE ALSO

       sg_start (sg3_utils)

sg3_utils-1.28							    August 2009 						      SCSI_STOP(8)