Undocumented AIX command lquerypv

lquerypv can read the PVID directly from the disk:

# lquerypv -h /dev/hdisk0 80 10
00000080   00C4489D 5E6002A5 00000000 00000000  |..H.^`..........|

# lspv
hdisk0          00c4489d5e6002a5                    rootvg          active    

And also the VGDA:

 lqueryvg -Atvp hdisk0 
Max LVs:        256
PP Size:        27
Free PPs:       766
LV count:       12
PV count:       2
Total VGDAs:    3
Conc Allowed:   0
MAX PPs per PV: 1016
MAX PVs:        32
Quorum (disk):  0
Quorum (dd):    0
Auto Varyon ?:  1
Conc Autovaryon 0
Varied on Conc: 0
Logical:        00c4489d00004c00000001354404cb5c.2   hd6 1  
                00c4489d00004c00000001354404cb5c.3   hd5 1  
                00c4489d00004c00000001354404cb5c.4   hd8 1  
                00c4489d00004c00000001354404cb5c.5   hd3 1  
                00c4489d00004c00000001354404cb5c.6   hd1 1  
                00c4489d00004c00000001354404cb5c.7   hd11admin 1  
                00c4489d00004c00000001354404cb5c.8   livedump 1  
                00c4489d00004c00000001354404cb5c.13  fslv00 1  
                00c4489d00004c00000001354404cb5c.14  hd4 1  
                00c4489d00004c00000001354404cb5c.15  hd2 1  
                00c4489d00004c00000001354404cb5c.16  hd9var 1  
                00c4489d00004c00000001354404cb5c.17  hd10opt 1  
Physical:       00c4489d5e6002a5                1   0  
                00cf405e3e792147                2   0  
VGid:           00c4489d00004c00000001354404cb5c
Total PPs:      1092
LTG size:       128
HOT SPARE:      0
AUTO SYNC:      0
VG PERMISSION:  0
SNAPSHOT VG:    0
IS_PRIMARY VG:  0
PSNFSTPP:       4352
VARYON MODE:    0
VG Type:        0
Max PPs:        32512
Mirror Pool Str n
Sys Mgt Mode:   0
VG Reserved:    1
PV RESTRICTION: 0
Infinite Retry: 2

To find out which application crashed the OS use:

# /usr/sbin/lquerypv -h /path/to/core 6b0 64

# lquerypv -h /dev/hdiskpower22

hdiskpower22
00000000   00820101 00000000 80000003 5EDF6D84  |............^.m.|
00000010   0001EFD7 00000000 00000000 00000000  |................|
00000020   4F52434C 4449534B 00000000 00000000  |ORCLDISK........|
00000030   00000000 00000000 00000000 00000000  |................|
00000040   0A100000 00030104 41534D5F 50524F47  |........ASM_PROG|
00000050   5F47524F 55505F30 30303300 00000000  |_GROUP_0003.....|
00000060   00000000 00000000 41534D5F 50524F47  |........ASM_PROG|
00000070   5F47524F 55500000 00000000 00000000  |_GROUP..........|
00000080   00000000 00000000 41534D5F 50524F47  |........ASM_PROG|
00000090   5F47524F 55505F30 30303300 00000000  |_GROUP_0003.....|
000000A0   00000000 00000000 00000000 00000000  |................|
000000B0   00000000 00000000 00000000 00000000  |................|
000000C0   00000000 00000000 01F61B0C DB9AFC00  |................|
000000D0   01F61B0C DB9B0800 02001000 00100000  |................|
000000E0   0001BC80 00002800 00000002 00000001  |......(.........|
000000F0   00000002 00000000 0003FFFF FFFFFFFF  |................|

0 (0)
Article Rating (No Votes)
Rate this article
Attachments
There are no attachments for this article.
Comments
There are no comments for this article. Be the first to post a comment.
Full Name
Email Address
Security Code Security Code
Related Articles RSS Feed
Troubleshooting Starts With Understanding Your Physical Disks’ Attributes
Viewed 4288 times since Sat, May 19, 2018
Migrating AIX User Environments
Viewed 2412 times since Wed, May 30, 2018
Oslevel shows wrong AIX’s level. Why
Viewed 4996 times since Thu, Feb 21, 2019
AIX boot proccess
Viewed 3360 times since Tue, Apr 16, 2019
AIX: Script to create a file with commands to remove missing & failed paths
Viewed 3479 times since Tue, Jun 12, 2018
Altering LVM Configuration When a Disk is Not in ODM Anymore
Viewed 3398 times since Mon, Jun 3, 2019
AIX NFS Version 4 configuration over Kerberos inter-realm setup
Viewed 4374 times since Wed, Jun 27, 2018
https://www.ibm.com/developerworks/learn/aix/index.html
Viewed 11477 times since Wed, May 30, 2018
Working with Virtual media library on VIO servers
Viewed 16174 times since Thu, Feb 21, 2019
Kerberos, Active Directory and AIX
Viewed 6686 times since Mon, Jun 25, 2018