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Full Discussion: disks broke?
Operating Systems AIX disks broke? Post 302097322 by kvanelshocht on Thursday 23rd of November 2006 08:51:08 AM
Old 11-23-2006
disks broke?

hay

I'm new in the AIX-environment. Right now i'm testing some stuff out. But i can't test the LVM-part which is (to me) very important. I have 2 disks in my testmachine but it seems only 1 is working wel. I'll show you the output below of the disks...
hdisk0 = in good condition
hdisk2 = broke???

# lspv
hdisk0 00086939bd9ffc58 rootvg active
hdisk2 00086939fbf7df92 None

# lscfg -vl hdisk2
hdisk2 P1/Z1-A6 16 Bit LVD SCSI Disk Drive (18200 MB)

Manufacturer................IBM
Machine Type and Model......DDYS-T18350N
FRU Number..................07N3776
ROS Level and ID............53393348
Serial Number...............4EY72879
EC Level....................F79851
Part Number.................07N3811
Device Specific.(Z0)........000003029F00013A
Device Specific.(Z1)........07N4921
Device Specific.(Z2)........0933
Device Specific.(Z3)........00285
Device Specific.(Z4)........0001
Device Specific.(Z5)........22
Device Specific.(Z6)........F79851

# lsdev -Cc disk
hdisk0 Available 10-60-00-5,0 16 Bit LVD SCSI Disk Drive
hdisk1 Defined 10-60-00-4,0 Other SCSI Disk Drive
hdisk2 Available 10-60-00-6,0 16 Bit LVD SCSI Disk Drive

# lsattr -El hdisk2
pvid 00086939fbf7df920000000000000000
Physical volume identifier False
queue_depth 3 Queue DEPTH False
size_in_mb 18200 Size in Megabytes False
max_transfer 0x40000
Maximum TRANSFER Size True
unique_id 23084EY728790CDDYS-T18350N03IBMscsi Unique device identifier False
PR_key_value none N/A True
reserve_policy single_path N/A True
PCM PCM/friend/scsiscsd N/A True
dvc_support Device Support False
algorithm fail_over Algorithm True

when running diag on the disk:
A PROBLEM WAS DETECTED ON do 23 nov 14:48:11 2006 801014

The Service Request Number(s)/Probable Cause(s)
(causes are listed in descending order of probability):

63C-132: A Disk Drive hardware error occurred.
hdisk2 FRU: 07N3776 P1/Z1-A6
16 Bit LVD SCSI Disk Drive (18200 MB)

Use Enter to continue.

when trying to make a vg and include this disk:

# mkvg testvg hdisk2
0516-306 mkvg: Unable to find physical volume testvg in the Device
Configuration Database.
0516-862 mkvg: Unable to create volume group.


Is this disk really broke? Is it really the disk?

thanks for replying!

cheerz
 

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volreattach(8)						      System Manager's Manual						    volreattach(8)

NAME
volreattach - Reattaches disk drives that have once again become accessible SYNOPSIS
/usr/sbin/volreattach [-rb] [accessname...] /usr/sbin/volreattach -c accessname OPTIONS
The volreattach utility has the following options: Calls the volrecover utility to attempt to recover stale plexes of any volumes on the failed disk. Performs the reattach operation in the background. Checks whether a reattach is possible. No operation is performed, but the name of the disk group and disk media name at which the disk can be reattached is displayed. DESCRIPTION
The volreattach utility attempts to reattach disks using the same disk group and media names they had before detachment. This operation may be necessary if a disk has a transient failure, or if some disk drivers are unloaded or unloadable when the Logical Storage Manager is started, causing disks to enter the failed state. If the problem is fixed, the volreattach command can be used to reattach the disks without plexes being flagged as stale, as long as the reattach happens before any volumes on the disk are started. The volreattach command is called from the voldiskadm menus as part of disk recovery. The volreattach utility tries to find a disk with a disk group and disk ID matching that of the disk(s) being reattached. If the matching disk is found, the reattach operation may still fail if the original cause (or some other cause) for the disk failure still exists. EXIT CODES
A zero exit status is returned if it is possible to perform a reattach. Otherwise, non-zero is returned. SEE ALSO
volintro(8), voldiskadm(8), volrecover(8) volreattach(8)
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