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Exportvg/importvg causes corrupt LV Control Block

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Operating Systems AIX Exportvg/importvg causes corrupt LV Control Block
# 8  
Old 09-02-2013
Quote:
Originally Posted by livehho
Code:
$ errpt
B6267342   0828123013 P H hdisk6         DISK OPERATION ERROR
C1348779   0828123013 I O SYSJ2          LOG I/O ERROR
E86653C3   0828123013 P H LVDD           I/O ERROR DETECTED BY LVM
B6267342   0828123013 P H hdisk6         DISK OPERATION ERROR
C1348779   0828123013 I O SYSJ2          LOG I/O ERROR
E86653C3   0828123013 P H LVDD           I/O ERROR DETECTED BY LVM
B6267342   0828123013 P H hdisk6         DISK OPERATION ERROR
C1348779   0828123013 I O SYSJ2          LOG I/O ERROR
E86653C3   0828123013 P H LVDD           I/O ERROR DETECTED BY LVM

Before you really scratch the VG you might first find out what happened to hdisk6. Run "errpt" again with the "-a" switch to see the details and analyse what stands there. Eventually you could post it here and have others input about what it means.

You can still scratch the VG then, but: there is some reason why you encountered I/O errors. Disk broken, SAN damaged - i do not know what it is. But i do know (from long and often tragic experience) that a problem without a symptom is still a problem and it tends to creep up and haunt you exactly the moment you have the least need for that. So solve your problem with your disk first before you do anything with it, including (but not limited to) recreating the VG.

I hope this helps.

bakunin
This User Gave Thanks to bakunin For This Post:
livehho
# 9  
Old 09-02-2013
yep, the LUN was corrupted, the SAN folks fixed that problem. Gonna recreate the crap outta that VG. thanks for all the help.
# 10  
Old 09-02-2013
exportvg should not be changing the VGDA in anyway, in fact it can be done with the disks of the volume group inactive.

I think something had happened to your LVCB before hand.

Consider the following command sequence. This disk is active, but the commands should give (nearly) the same output (there may be in the VGDA whether the VGDA is active or not).

The tail command is to show that the -dt options shows how all PP are mapped.

p.s. My prompt is not #, but I have performed an su to root so my euid is 0

Code:
michael@x054:[/home/michael]lspv
hdisk1          00cbe32e3ea9f4d2                    vgData          active      
hdisk0          005d858f5e3e41d2                    rootvg          active      
hdisk2          005d858fdba3ba0e                    vgBackup                    
hdisk3          005d858f9b15ace8                    vgITDS          active      
michael@x054:[/home/michael]lquerypv -p 005d858f5e3e41d2 -N hdisk0 -t | more
PP Size:        26
PV State:       1
Total PPs:      542
Alloc PPs:      252
Total VGDAs:    2
HOT SPARE:      0
Beg PSN:        4352
MIRROR POOL:    0
MIRROR POOL     
ASYNC LOW WA    0
ASYNC HIGH W    0
ASYNC MINOR     0
ASYNC FLAGS:    0
michael@x054:[/home/michael]lquerypv -p 005d858f5e3e41d2 -N hdisk0 -dt | tail
PVMAP:  005d858f5e3e41d2:533  0 ODMtype  0000000000000000.0   0     0000000000000000:0    0000000000000000:0   
PVMAP:  005d858f5e3e41d2:534  0 ODMtype  0000000000000000.0   0     0000000000000000:0    0000000000000000:0   
PVMAP:  005d858f5e3e41d2:535  0 ODMtype  0000000000000000.0   0     0000000000000000:0    0000000000000000:0   
PVMAP:  005d858f5e3e41d2:536  0 ODMtype  0000000000000000.0   0     0000000000000000:0    0000000000000000:0   
PVMAP:  005d858f5e3e41d2:537  0 ODMtype  0000000000000000.0   0     0000000000000000:0    0000000000000000:0   
PVMAP:  005d858f5e3e41d2:538  0 ODMtype  0000000000000000.0   0     0000000000000000:0    0000000000000000:0   
PVMAP:  005d858f5e3e41d2:539  0 ODMtype  0000000000000000.0   0     0000000000000000:0    0000000000000000:0   
PVMAP:  005d858f5e3e41d2:540  0 ODMtype  0000000000000000.0   0     0000000000000000:0    0000000000000000:0   
PVMAP:  005d858f5e3e41d2:541  0 ODMtype  0000000000000000.0   0     0000000000000000:0    0000000000000000:0   
PVMAP:  005d858f5e3e41d2:542  0 ODMtype  0000000000000000.0   0     0000000000000000:0    0000000000000000:0   
michael@x054:[/home/michael]

Question: do you get the same issue when you su to root (is there perhaps an authority not passing when using sudo?)

---------- Post updated at 10:24 PM ---------- Previous update was at 10:23 PM ----------

Should have read the bottom line. So I guess you can ignore my reply. Smilie
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