[linux-lvm] Weird UUIDs

Heinz J. Mauelshagen Mauelshagen at sistina.com
Tue Jul 17 12:54:54 UTC 2001


On Tue, Jul 17, 2001 at 09:23:23AM -0300, Patrick Boutilier wrote:
> I tried running pvdata -U on one of my LVM servers and it segfaulted 
> (LVM driver version 0.9.1_beta6). Check out the UUIDs.

Output just tells you, that no UUIDs have been created dynamically so far.
If you create/remove a dummy LV, they should be there...

> Everything is 
> working OK but I wonder if this is a serious problem or not?

No, it is not. Just try the lvcreate/lvremove pair on a small (-l 1) dummy LV.

Regards,
Heinz    -- The LVM Guy --

> This is a 
> single physical volume LVM running on top of hardware RAID 5.
> 
> 
> 
> pvdata -Uvv /dev/sda7
> 
> pvdata -- reading physical volume data from disk
> pvdata -- reading volume group data from disk
> --- List of physical volume UUIDs ---
>  
> Segmentation fault
> 
> 
> 
> 
> pvdata /dev/sda7
> 
> --- Physical volume ---
> PV Name               /dev/sda7
> VG Name               data_vg
> PV Size               133.36 GB / NOT usable 321 KB [LVM: 255 KB]
> PV#                   1
> PV Status             available
> Allocatable           yes
> Cur LV                6
> PE Size (KByte)       4096
> Total PE              34140
> Free PE               7015
> Allocated PE          27125
> PV UUID               /dev/s-da7
> 
> --- Volume group ---
> VG Name
> VG Access             read/write
> VG Status             NOT available/resizable
> VG #                  0
> MAX LV                256
> Cur LV                6
> Open LV               0
> MAX LV Size           255.99 GB
> Max PV                256
> Cur PV                1
> Act PV                1
> VG Size               133.36 GB
> PE Size               4 MB
> Total PE              34140
> Alloc PE / Size       27125 / 105.96 GB
> Free  PE / Size       7015 / 27.4 GB
> VG UUID               data_v-g
> 
> --- List of logical volumes ---
> 
> pvdata -- logical volume "/dev/data_vg/home_lv" at offset   0
> pvdata -- logical volume "/dev/data_vg/var_lv" at offset   1
> pvdata -- logical volume "/dev/data_vg/usr_lv" at offset   2
> pvdata -- logical volume "/dev/data_vg/news_lv" at offset   3
> pvdata -- logical volume "/dev/data_vg/test_lv" at offset   4
> pvdata -- logical volume "/dev/data_vg/its_lv" at offset   5
> pvdata -- logical volume struct at offset   6 is empty
> ....
> 
> 
> 
> 
> 
> 
> 
> 
> 
> vgdisplay
> 
> --- Volume group ---
> VG Name               data_vg
> VG Access             read/write
> VG Status             available/resizable
> VG #                  0
> MAX LV                256
> Cur LV                6
> Open LV               5
> MAX LV Size           255.99 GB
> Max PV                256
> Cur PV                1
> Act PV                1
> VG Size               133.36 GB
> PE Size               4 MB
> Total PE              34140
> Alloc PE / Size       27125 / 105.96 GB
> Free  PE / Size       7015 / 27.4 GB
> VG UUID               data_v-g
> 
> 
> 
> _______________________________________________
> linux-lvm mailing list
> linux-lvm at sistina.com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen at Sistina.com                           +49 2626 141200
                                                       FAX 924446
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