Path to drive lost, no way getting it back ....
2003-12-05 04:28:33
Hi list,
I got a strange problem 2 days ago, and still no explanation : the path
to an LTO drive located in a 3584 library was suddenly reported as
marked offline :
12/02/03 07:51:22 ANR8471E Server no longer polling drive LTO1DR4 in
library LTOLIB1 - path /dev/rmt4 will be marked off-line.
12/02/03 07:51:22 ANR8873E The path from source ADSM-PAC to destination
LTO1DR4 (/dev/rmt4) is taken offline.
I had no chance to have it back on line again, despite the fact the
drive was looking OK on AIX side. I then called IBM, that supposed
something was wrong with the drive and replaced it : still no success
Trying to delete and recreate the path gives :
12/03/03 08:47:55 ANR2017I Administrator BAR021 issued command: DEFINE
PATH adsm-pac lto1dr4 srctype=server desttype=drive device=rmt4
library=ltolib1
12/03/03 08:47:55 ANR8779E Unable to open drive rmt4, error number=2.
This drive is SCSI type, connected to a 2108 G07 san data gateway, which
detects the drive (we actually have 2 scsi connectors on the box, each
one having two LTO drives):
fcShowDevs
FC 1:
LUN Chan Id Lun Vendor Product Rev SN
-----------------------------------------------------
0 0 0 0 PATHLGHT SAN Gateway 0016 21081303263
2 1 0 0 IBM ULT3580-TD1 3512
3 1 0 1 IBM 03584L32 3060 000000010234
4 1 1 0 IBM ULT3580-TD1 3512
6 2 2 0 IBM ULT3580-TD1 3512
8 2 3 0 IBM ULT3580-TD1 3512
FC 4:
LUN Chan Id Lun Vendor Product Rev SN
-----------------------------------------------------
0 0 0 0 PATHLGHT SAN Gateway 0016 21081303263
2 1 0 0 IBM ULT3580-TD1 3512
3 1 0 1 IBM 03584L32 3060 000000010234
4 1 1 0 IBM ULT3580-TD1 3512
6 2 2 0 IBM ULT3580-TD1 3512
8 2 3 0 IBM ULT3580-TD1 3512
Drive is also looking OK on AIX side, and can be reached using tapeutil
:
lscfg -vl rmt4
DEVICE LOCATION DESCRIPTION
rmt4 11-08-01-3,0 IBM 3580 Ultrium Tape Drive (FCP)
Manufacturer................IBM
Machine Type and Model......ULT3580-TD1
Serial Number...............6811027051
Device Specific.(FW)........3512
Today I recycled all the hardware : server, 3584, SAN gateway, thinking
it could correct an eventual network error, but still got the problem:
On TSM server initialization :
12/05/03 09:18:13 ANR8470W Initialization failure on drive LTO1DR4 in
library LTOLIB1.
On attempt to redefine the path :
12/05/03 09:29:42 ANR2017I Administrator BAR021 issued command: DEFINE
PATH adsm-pac lto1dr4 srctype=server desttype=drive device=rmt4
library=ltolib1
12/05/03 09:29:42 ANR8420E DEFINE PATH: An I/O error occurred while
accessing drive LTO1DR4.
I'm really lost, has anyone an idea of what could be happening here ?
Many thanks in advance !!!
Arnaud Brion
***********************************************************************
Panalpina Management Ltd., Basle, Switzerland, CIT Department
Viadukstrasse 42, P.O. Box 4002 Basel/CH
Phone: +41 (61) 226 11 11, FAX: +41 (61) 226 17 01
Direct: +41 (61) 226 19 78
e-mail: arnaud.brion AT panalpina DOT com
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