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Full Discussion: mkvg on iscsi disk won't work (6.1)
Operating Systems AIX mkvg on iscsi disk won't work (6.1) Post 302420367 by mr.aart on Tuesday 11th of May 2010 11:31:07 AM
Old 05-11-2010
Question mkvg on iscsi disk won't work (6.1)
Hi All,

Recently I'm taking my first steps in AIX, initially with no real issues. Until now, off course...

I hooked up a couple of iSCSI disks to the system, with a RHEL5 machine running tgt on the other side. When running cfgmgr after initial configuration, I got an error:
Code:
# cfgmgr -l iscsi0
cfgmgr: 0514-621 WARNING: The following device packages are required for
        device support but are not currently installed.
devices.iscsi.array

I googled my ass off, but couldn't find anything, other than some chinese site, wich I find very difficult to understand since chinese is one of very few major languages they don't teach in dutch schools...

Nonetheless, I was able to see the devices that I offered through tgt, and I was able to create PV's on them:
Code:
# lspv
hdisk0          00c9a1fbe1fd35d0                    rootvg          active
hdisk1          00c9a1fbe5bf8aaf                    rootvg          active
hdisk2          00c9a1fb88919112                    None            
hdisk3          00c9a1fb6f64e590                    None            
hdisk4          00c9a1fb6f652404                    None

However, I'm not able to make VG's out of any of these PV's:
Code:
# mkvg -y foovg hdisk2
0516-008 /usr/sbin/mkvg: LVM system call returned an unknown
        error code (-267).
0516-1184 /usr/sbin/mkvg: IO failure on hdisk2.
0516-862 /usr/sbin/mkvg: Unable to create volume group.

Though I am able to read off the disk with dd:
Code:
# dd if=/dev/rhdisk2 of=/dev/null bs=1024 count=1000
1000+0 records in.
1000+0 records out.

Also lsdev doesn't seem to have a problem with the disk:
Code:
# lsdev -l hdisk2
hdisk2 Available  Other iSCSI Disk Drive

With errpt I see the following error:
Code:
#errpt -a | head -46    #-46 was exactly the lenth of the error,
                        #I made sure it covered the _whole_ error
LABEL:          SC_DISK_ERR2
IDENTIFIER:     B6267342

Date/Time:       Tue May 11 13:15:34 CDT 2010
Sequence Number: 29
Machine Id:      00C9A1FB4C00
Node Id:         watson
Class:           H
Type:            PERM
WPAR:            Global
Resource Name:   hdisk2          
Resource Class:  disk
Resource Type:   osdisk
Location:        
VPD:             
        Manufacturer................Areca   
        Machine Type and Model......AIX/System      
        ROS Level and ID............52303031
        Serial Number...............
        Device Specific.(Z0)........000005423D000002
        Device Specific.(Z1)........

Description
DISK OPERATION ERROR

Probable Causes
DASD DEVICE

Failure Causes
DISK DRIVE
DISK DRIVE ELECTRONICS

        Recommended Actions
        PERFORM PROBLEM DETERMINATION PROCEDURES

Detail Data
PATH ID
           0
SENSE DATA
0A00 2E00 0000 0008 0000 0100 0000 0000 0000 0000 0000 0000 0102 0000 7000 0500 
0000 000A 0000 0000 2000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 
0000 0000 0000 0000 0000 0000 1C00 0000 0000 0000 0000 0000 0000 0000 0083 0000 
0000 0029 0017

I'm afraid that this is where I find myself to n00b to handle this, maybe you have some pointers for me to fix this?
 

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