[linux-lvm] LVM bug
Heinz J . Mauelshagen
mauelshagen at sistina.com
Fri Jan 25 09:44:01 UTC 2002
Hmmm.
Did vgscan, which is supposed to sort these reuses of VG numbers and such out,
make a difference for you?
Regards,
Heinz -- The LVM Guy --
On Thu, Jan 24, 2002 at 04:00:08PM +0000, mark seddon wrote:
>
> I have 2 VG's called vg00 and vg01, vg00 is the boot disk. The problem is
> that vgdisplay displays incorrect info, ie .the wrong VG and other commands
> such as lvcreate get confused as to which VG is which.
>
> Here is the partition table vg00 is hda9 and vg01 is hda7.
>
> Disk /dev/hda: 240 heads, 63 sectors, 1559 cylinders
> Units = cylinders of 15120 * 512 bytes
>
> Device Boot Start End Blocks Id System
> /dev/hda1 1 2 15088+ a0 IBM Thinkpad hibernation
> /dev/hda2 * 3 279 2094120 7 HPFS/NTFS
> /dev/hda3 280 1559 9676800 f Win95 Ext'd (LBA)
> /dev/hda5 280 418 1050808+ 6 FAT16
> /dev/hda6 419 557 1050808+ 6 FAT16
> /dev/hda7 558 696 1050808+ 8e Linux LVM
> /dev/hda8 697 731 264568+ 82 Linux swap
> /dev/hda9 732 1559 6259648+ 8e Linux LVM
>
> here is a vgdisplay output. Note it always display hda9
>
> [root at cromlech 1.0.1-rc4]# vgdisplay vg01
> --- Volume group ---
> VG Name vg00
> VG Access read/write
> VG Status available/resizable
> VG # 1
> MAX LV 255
> Cur LV 6
> Open LV 5
> MAX LV Size 255.99 GB
> Max PV 255
> Cur PV 1
> Act PV 1
> VG Size 5.96 GB
> PE Size 4.00 MB
> Total PE 1527
> Alloc PE / Size 737 / 2.88 GB
> Free PE / Size 790 / 3.09 GB
> VG UUID nbprU3-BaUv-VAwF-tG5r-rW3s-uRvy-3j7S3G
>
>
> [root at cromlech 1.0.1-rc4]# vgdisplay vg00
> --- Volume group ---
> VG Name vg00
> VG Access read/write
> VG Status available/resizable
> VG # 0
> MAX LV 255
> Cur LV 6
> Open LV 0
> MAX LV Size 255.99 GB
> Max PV 255
> Cur PV 1
> Act PV 1
> VG Size 5.96 GB
> PE Size 4.00 MB
> Total PE 1527
> Alloc PE / Size 737 / 2.88 GB
> Free PE / Size 790 / 3.09 GB
> VG UUID nbprU3-BaUv-VAwF-tG5r-rW3s-uRvy-3j7S3G
>
> here is a session output which gives some more info on the problems
> encountered. Note the lvscan output at the end showing 11 lv's 5 of which are
> duplicates.The lvmtab file seems to know which disk is which but the lv
> cmmand set appears to get confused.
>
> 000[root at cromlech lvmtab.d]# strings vg00
> vg00
> nbprU3BaUvVAwFtG5rrW3suRvy3j7S3G
> /dev/hda9
> vg00
> localhost.localdomain1011713900
> V19lI6ULumseLKmET2KJ2cZoqoYmN6Z4
> /dev/vg00/lvol1
> vg00
> /dev/vg00/lvol2
> vg00
> /dev/vg00/lvol3
> vg00
> @xa&
> /dev/vg00/lvol4
> vg00
> @xaF
> /dev/vg00/lvol5
> vg00
> @x¡L
> [root at cromlech lvmtab.d]# strings vg01
> vg01
> BSZ3UwVD67zlzW5uYp9tE5ptAR0QyH3X
> /dev/hda7
> vg01
> localhost.localdomain1011747475
> Afs43qT5mmjCFr2yr7YH8Um0WRKEPlJx
> [root at cromlech lvmtab.d]# ls
> vg00 vg01
> [root at cromlech lvmtab.d]# lvscan
> lvscan -- volume group "vg00" is NOT active; try -D
> lvscan -- ACTIVE "/dev/vg00/lvol1" [200.00 MB]
> lvscan -- ACTIVE "/dev/vg00/lvol2" [1.00 GB]
> lvscan -- ACTIVE "/dev/vg00/lvol3" [1.00 GB]
> lvscan -- ACTIVE "/dev/vg00/lvol4" [200.00 MB]
> lvscan -- ACTIVE "/dev/vg00/lvol5" [300.00 MB]
> lvscan -- 5 logical volumes with 2.68 GB total in 1 volume group
> lvscan -- 5 active logical volumes
>
> [root at cromlech lvmtab.d]#
> [root at cromlech lvmtab.d]# lvcreate -l50 vg00
> lvcreate -- can't create logical volume: "vg00" isn't active
>
> [root at cromlech lvmtab.d]# vgchange -ay vg00
> vgchange -- volume group "vg00" successfully activated
>
> [root at cromlech lvmtab.d]# lvcreate -l50 vg00
> lvcreate -- doing automatic backup of "vg00"
> lvcreate -- logical volume "/dev/vg00/lvol6" successfully created
>
> [root at cromlech lvmtab.d]# lvscan
> lvscan -- ACTIVE "/dev/vg00/lvol1" [200.00 MB]
> lvscan -- ACTIVE "/dev/vg00/lvol2" [1.00 GB]
> lvscan -- ACTIVE "/dev/vg00/lvol3" [1.00 GB]
> lvscan -- ACTIVE "/dev/vg00/lvol4" [200.00 MB]
> lvscan -- ACTIVE "/dev/vg00/lvol5" [300.00 MB]
> lvscan -- ACTIVE "/dev/vg00/lvol6" [200.00 MB]
> lvscan -- ACTIVE "/dev/vg00/lvol1" [200.00 MB]
> lvscan -- ACTIVE "/dev/vg00/lvol2" [1.00 GB]
> lvscan -- ACTIVE "/dev/vg00/lvol3" [1.00 GB]
> lvscan -- ACTIVE "/dev/vg00/lvol4" [200.00 MB]
> lvscan -- ACTIVE "/dev/vg00/lvol5" [300.00 MB]
> lvscan -- 11 logical volumes with 5.56 GB total in 2 volume groups
> lvscan -- 11 active logical volumes
>
>
> I'm running kernel 2.4.16 with LVM 1.0.1-rc4.
>
> rgds
>
> mark
>
>
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*** 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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