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This is a text-only version of the following page on https://raymii.org:
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Title : HP-UX 11.31 System information and find out part number of a failed disk with sasmgr
Author : Remy van Elst
Date : 18-05-2018
URL : https://raymii.org/s/tutorials/Find_part_number_of_failed_disk_on_HP-UX_with_sasmgr.html
Format : Markdown/HTML
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On one of my regular scheduled datacenter visits one of the older HP-UX Itanium
machines had an orange light on the front. These systems are not (yet)
monitored, but still in use so the disk had to be replaced. Not knowing anything
about this system or which parts were used, I managed to find the exact part
number and device type so we could order a spare. This small guide uses sasmgr
to get the data on HP-UX 11.31.

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### Hardware Information on HP-UX

Since I normally don't manage these systems and have little experience with HP-
UX, I first had to find out some information on the system. Using a few regular
Unix tools like `netstat`, `uname` and a few HP-UX specific tools like `model`,
`machinfo` I was able to gather basic hardware information of this machine.

$ TERM=vt100 ssh hpux09 -l root

Last successful login: Fri May 18 08:18:05 METDST 2018
Last authentication failure: Fri May 18 08:10:59 METDST 2018
Last login: Thu Jun 24 09:46:55 2010 from
(c)Copyright 1983-2006 Hewlett-Packard Development Company, L.P.
(c)Copyright 1979, 1980, 1983, 1985-1993 The Regents of the Univ. of California
(c)Copyright 1980, 1984, 1986 Novell, Inc.
(c)Copyright 1986-2000 Sun Microsystems, Inc.
(c)Copyright 1985, 1986, 1988 Massachusetts Institute of Technology
(c)Copyright 1989-1993 The Open Software Foundation, Inc.
(c)Copyright 1990 Motorola, Inc.
(c)Copyright 1990, 1991, 1992 Cornell University
(c)Copyright 1989-1991 The University of Maryland
(c)Copyright 1988 Carnegie Mellon University
(c)Copyright 1991-2006 Mentat Inc.
(c)Copyright 1996 Morning Star Technologies, Inc.
(c)Copyright 1996 Progressive Systems, Inc.

Confidential computer software. Valid license from HP required for
possession, use or copying. Consistent with FAR 12.211 and 12.212,
Commercial Computer Software, Computer Software Documentation, and
Technical Data for Commercial Items are licensed to the U.S. Government
under vendor's standard commercial license.

You have mail.

Value of TERM has been set to "vt100".
WARNING: YOU ARE SUPERUSER !!

hpux09:/root# swlist | grep -i oe
HPUX11i-BOE B.11.31.0809 HP-UX Base Operating Environment

hpux09:/root# model
ia64 hp server rx3600

hpux09:/root# uname -a
HP-UX hpux09 B.11.31 U ia64 [...] unlimited-user license

hpux09:/root# machinfo
CPU info:
2 Intel(R) Itanium 2 9100 series processors (1.67 GHz, 18 MB)
666 MT/s bus, CPU version A1
4 logical processors (2 per socket)

Firmware info:
Firmware revision: 04.03
FP SWA driver revision: 1.18
IPMI is supported on this system.
BMC firmware revision: 5.25

Platform info:
Model: "ia64 hp server rx3600"
Machine ID number: 2e6e7[...]f36
Machine serial number: D[...]D

OS info:
Nodename: hpux09
Release: HP-UX B.11.31
Version: U (unlimited-user license)
Machine: ia64
ID Number: [...]
vmunix _release_version:
@(#) $Revision: vmunix: B.11.31_LR FLAVOR=perf

This system was installed a long while ago:

hpux09:/root# swlist -l bundle -a date | grep HPUX
HPUX-FTPServer Wed Dec 10 16:58:16 MET 2008
HPUX-MailServer Wed Dec 10 16:58:16 MET 2008

`print_manifest` is a usefull command for information on the system.

hpux09:/root# print_manifest | grep -i created
The system was created December 10, 2008, 18:02:06 MET.
It was created with Ignite-UX revision C.7.7.93.

This will go into the hardware documentation, since, sadly, that is very
incomplete.

### Disk information

Now to the good part, for which we logged in to this machine. Find the serial
number and order a new (probably refurbished) disk. The system uses LVM with
RAID 1 underneath via a SAS card so when the disk is ordered we can just replace
it. If it was just LVM we had to do some configuration

This PDF [When _Good_ Disks _Go_ Bad.pdf][2] is very helpfull in preparing and
researching this issue. When the new disk is here, [this page][3] will be
helpfull for the replacement.

The first command shows which disk is the failed one plus the raid
configuration:

sasmgr get_info -D /dev/sasd0 -q raid

Output:

Wed May 16 14:54:21 2018

---------- LOGICAL DRIVE 2 ----------

Raid Level : RAID 1
Volume sas address : 0x3c5c0600358833e
Device Special File : /dev/rdsk/c0t3d0
Raid State : DEGRADED
Raid Status Flag : ENABLED
Raid Size : 139136
Rebuild Rate : 20.00 %
Rebuild Progress : 100.00 %

Participating Physical Drive(s) :

SAS Address Enc Bay Size(MB) Type State

0x500000e01d33a9c2 1 8 140014 PRIMARY ONLINE
0x5000c50003aeb459 1 2 140014 SECONDARY FAILED

---------- LOGICAL DRIVE 7 ----------

Raid Level : RAID 1
Volume sas address : 0xacb8d6daa52eb4d
Device Special File : /dev/rdsk/c0t2d0
Raid State : OPTIMAL
Raid Status Flag : ENABLED
Raid Size : 69878
Rebuild Rate : 0.00 %
Rebuild Progress : 100.00 %

Participating Physical Drive(s) :

SAS Address Enc Bay Size(MB) Type State

0x5000039668124686 1 1 286102 SECONDARY ONLINE
0x5000c5000b9f5965 1 7 70007 PRIMARY ONLINE

The second command shows the location (controller-wise) and the part number of
the disk:

sasmgr get_info -D /dev/sasd0 -q lun=all -q lun_locate

Output:

RAID VOL ID is 7 :
/dev/rdsk/c0t2d0 0/4/1/0.0.0.2.0

Physical disks in volume are :
1 1 OFF HP EG0300FCSPH HPD0
1 7 OFF HP DG072BB975 HPDC

RAID VOL ID is 2 :
/dev/rdsk/c0t3d0 0/4/1/0.0.0.3.0

Physical disks in volume are :
1 8 OFF HP DG146BABCF HPD5
1 2 OFF HP DG146ABAB4 HPD5

In my case disk 1,2 failed:

0x5000c50003aeb459 1 2 140014 SECONDARY FAILED
[...]
1 2 OFF HP DG146ABAB4 HPD5

With this part number we can order a new disk.

`dmesg` was also spitting out warning about this disk issue:

SAS driver at 0/4/1/0 (/dev/sasd0) : TM (0x00000002) to SAS address 0x03c5c0600358833e (dev_t 0x03000006) failed with CDB status 0x00000400
SAS driver at 0/4/1/0 (/dev/sasd0) : TM (0x00000002) to SAS address 0x03c5c0600358833e (dev_t 0x03000006) failed with CDB status 0x00000400
SAS driver at 0/4/1/0 (/dev/sasd0) : TM (0x00000002) to SAS address 0x03c5c0600358833e (dev_t 0x03000006) failed with CDB status 0x00000400
SAS driver at 0/4/1/0 (/dev/sasd0) : TM (0x00000002) to SAS address 0x03c5c0600358833e (dev_t 0x03000006) failed with CDB status 0x00000400
SAS driver at 0/4/1/0 (/dev/sasd0) : TM (0x00000002) to SAS address 0x03c5c0600358833e (dev_t 0x03000006) failed with CDB status 0x00000400
SAS driver at 0/4/1/0 (/dev/sasd0) : TM (0x00000002) to SAS address 0x03c5c0600358833e (dev_t 0x03000006) failed with CDB status 0x00000400
SAS driver at 0/4/1/0 (/dev/sasd0) : TM (0x00000002) to SAS address 0x03c5c0600358833e (dev_t 0x03000006) failed with CDB status 0x00000400
LVM: VG 64 0x010000: Lost quorum.
This may block configuration changes and I/Os. In order to reestablish quorum at least 1 of the following PVs (represented by current link) must become available:
<3 0x000006>
LVM: VG 64 0x010000: PVLink 3 0x000006 Failed! The PV is not accessible.
SAS driver at 0/4/1/0 (/dev/sasd0) : TM (0x00000002) to SAS address 0x03c5c0600358833e (dev_t 0x03000006) failed with CDB status 0x00000400
SAS driver at 0/4/1/0 (/dev/sasd0) : TM (0x00000002) to SAS address 0x03c5c0600358833e (dev_t 0x03000006) failed with CDB status 0x00000400
SAS driver at 0/4/1/0 (/dev/sasd0) : TM (0x00000002) to SAS address 0x0acb8d6daa52eb4d (dev_t 0x03000004) failed with CDB status 0x00000400
SAS driver at 0/4/1/0 (/dev/sasd0) : TM (0x00000002) to SAS address 0x03c5c0600358833e (dev_t 0x03000006) failed with CDB status 0x00000400
SAS driver at 0/4/1/0 (/dev/sasd0) : TM (0x00000002) to SAS address 0x03c5c0600358833e (dev_t 0x03000006) failed with CDB status 0x00000400
class : lunpath, instance 3
lun path (class = lunpath, instance = 3) belonging to LUN (default minor = 0x6) has gone offline. The lunpath hwpath is 0/4/1/0.0x3c5c0600358833e.0x0

SAS driver at 0/4/1/0 (/dev/sasd0) : RAID volume at SAS address 0x03c5c0600358833e is in a degraded state.
SAS driver at 0/4/1/0 (/dev/sasd0) : RAID volume at SAS address 0x03c5c0600358833e is in a degraded state.
SAS driver at 0/4/1/0 (/dev/sasd0) : TM (0x00000002) to SAS address 0x0acb8d6daa52eb4d (dev_t 0x03000004) failed with CDB status 0x00000400
SAS driver at 0/4/1/0 (/dev/sasd0) : TM (0x00000002) to SAS address 0x0acb8d6daa52eb4d (dev_t 0x03000004) failed with CDB status 0x00000400
SAS driver at 0/4/1/0 (/dev/sasd0) : TM (0x00000002) to SAS address 0x0acb8d6daa52eb4d (dev_t 0x03000004) failed with CDB status 0x00000400
LVM: VG 64 0x010000: Reestablished quorum.
LVM: VG 64 0x010000: PVLink 3 0x000006 Recovered.
LVM: NOTICE: VG 64 0x010000: LV 1: All I/O requests to this LV that were
waiting indefinitely for an unavailable PV have now completed.

[1]: https://www.digitalocean.com/?refcode=7435ae6b8212
[2]: https://raymii.org/s/inc/downloads/When_Good_Disks_Go_Bad.pdf
[3]: http://web.archive.org/web/20180518071714/http://unixpedia.blogspot.nl/2013/11/hpux-sas-physical-disk-replacement_22.html

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