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Re: [linux-lvm] LV only detected when using "lvscan -D" on amd64 kernel



Felix,

this definitely looks like a 64bit ioctl related problem.
I don't have the equipment to test here so help (is external access to
your machine possible ?) is needed.

Regards,
Heinz    -- The LVM Guy --


On Fri, Oct 24, 2003 at 06:12:56PM +0200, Felix Domke wrote:
> Hi,
> 
> i have an amd64-based machine, upgraded from a normal one. I'm using 
> debian, right now still the 32bit version (except for compiling the kernel).
> 
> I'm using
> Linux opt 2.4.22-bk38 #4 SMP Wed Oct 22 06:44:13 UTC 2003 x86_64 GNU/Linux
> 
> using
> # dmesg  | grep "LVM"
> LVM version 1.0.7(28/03/2003)
> 
> The LVM consists of 4 disks, two 40GB, one 20GB and one 120GB, gives a 
> total of roughly 220GB. All disks seem to work properly,
> pvscan gives
> # pvscan
> pvscan -- reading all physical volumes (this may take a while...)
> pvscan -- ACTIVE   PV "/dev/hdg" of VG "fast" [115.03 GB / 0 free]
> pvscan -- ACTIVE   PV "/dev/hdf" of VG "fast" [19.16 GB / 0 free]
> pvscan -- ACTIVE   PV "/dev/hdc" of VG "fast" [38.16 GB / 0 free]
> pvscan -- ACTIVE   PV "/dev/hdd" of VG "fast" [38.16 GB / 0 free]
> pvscan -- total: 4 [210.54 GB] / in use: 4 [210.54 GB] / in no VG: 0 [0]
> 
> vgscan gives
> # vgscan
> vgscan -- reading all physical volumes (this may take a while...)
> vgscan -- found active volume group "fast"
> vgscan -- "/etc/lvmtab" and "/etc/lvmtab.d" successfully created
> vgscan -- WARNING: This program does not do a VGDA backup of your volume 
> group
> 
> so everything looks fine. The logical volume worked fine with the old 
> kernel (2.4.20 or something like this, for ia32.).
> 
> but
> # lvscan
> lvscan -- no logical volumes found
> 
> and
> # vgdisplay
> --- Volume group ---
> VG Name               fast
> VG Access             read/write
> VG Status             available/resizable
> VG #                  0
> MAX LV                256
> Cur LV                0
> Open LV               0
> MAX LV Size           255.99 GB
> Max PV                256
> Cur PV                4
> Act PV                4
> VG Size               210.52 GB
> PE Size               4 MB
> Total PE              53893
> Alloc PE / Size       0 / 0
> Free  PE / Size       53893 / 210.52 GB
> VG UUID               NiBxzC-W5zF-Mb37-5ajN-ljE9-5k53-Fzc26O
> 
> So the logical volume seems to be gone :/
> 
> HOWEVER,
> 
> # lvscan -D
> lvscan -- reading all physical volumes (this may take a while...)
> lvscan -- inactive          "/dev/fast/lvol1" [210.52 GB]
> lvscan -- 1 logical volumes with 210.52 GB total in 1 volume group
> lvscan -- 1 inactive logical volumes
> 
> and
> 
> # vgdisplay -D
> --- Volume group ---
> VG Name               fast
> VG Access             read/write
> VG Status             NOT available/resizable
> VG #                  0
> MAX LV                256
> Cur LV                1
> Open LV               0
> MAX LV Size           255.99 GB
> Max PV                256
> Cur PV                4
> Act PV                4
> VG Size               210.52 GB
> PE Size               4 MB
> Total PE              53893
> Alloc PE / Size       53893 / 210.52 GB
> Free  PE / Size       0 / 0
> VG UUID               NiBxzC-W5zF-Mb37-5ajN-ljE9-5k53-Fzc26O
> 
> so i think there must be still some hope. Looks like the kernel LVM 
> stuff is somehow broken. Can this be a 64bit issue? Is there anything  i 
> could test/upgrade/whatever? Do you need more outputs?
> Or did i simply forget to do anything?
> 
> 
> thanks,
> Felix
> 
> 
> _______________________________________________
> linux-lvm mailing list
> linux-lvm sistina com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

*** 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 Sistina com                           +49 2626 141200
                                                       FAX 924446
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