[linux-lvm] LV only detected when using "lvscan -D" on amd64 kernel
Heinz J . Mauelshagen
mauelshagen at sistina.com
Sat Oct 25 02:09:01 UTC 2003
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
>
>
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> 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 at Sistina.com +49 2626 141200
FAX 924446
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