[linux-lvm] Unrecognised segment type mirror
Don Bishop
donbishop at mediacell.com
Mon Apr 9 02:03:48 UTC 2007
I have just recently installed LVM2 on top of a 4-disk software RAID5
array under Gentoo Linux (x86). I have four other machines with a
similar configuration although they are variously EIDE, SATA, and
SCSI-based).
This 5th machine gives the following error/warning whenever running any
of the lvm tools (vgdisplay, pvdisplay, lvdisplay, vgscan, etc). The
drives are all identical EIDE WD2500JBRTL, partitions are type fd, and
are a single partition drives.
Unrecognised segment type mirror
This above error repeats once for each logical volume I create using,
eg, lvcreate -L10G -nwhatever vg0
Here is the output from vgscan:
pus ~ # vgscan
Logging initialised at Sun Apr 8 19:39:58 2007
Set umask to 0077
Wiping cache of LVM-capable devices
Wiping internal VG cache
Reading all physical volumes. This may take a while...
Finding all volume groups
Finding volume group "vg0"
Unrecognised segment type mirror
Unrecognised segment type mirror
Unrecognised segment type mirror
Unrecognised segment type mirror
Unrecognised segment type mirror
Unrecognised segment type mirror
Found volume group "vg0" using metadata type lvm2
Wiping internal VG cache
I have tried various filters, etc, to no avail. It seems to be linked
to the /dev/md/0 logical volumes. Here is the output from lvdisplay
pus ~ # lvdisplay
Logging initialised at Sun Apr 8 19:49:17 2007
Set umask to 0077
Finding all logical volumes
Unrecognised segment type mirror
Unrecognised segment type mirror
Unrecognised segment type mirror
Unrecognised segment type mirror
Unrecognised segment type mirror
Unrecognised segment type mirror
--- Logical volume ---
LV Name /dev/vg0/ccache
VG Name vg0
LV UUID nO0w8H-WsOA-8djw-Xk9w-xE25-mH0o-9pD4B2
LV Write Access read/write
LV Status available
# open 2
LV Size 2.00 GB
Current LE 512
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:0
--- Logical volume ---
LV Name /dev/vg0/netstor
VG Name vg0
LV UUID 38f0Cs-WJ0Q-BNhJ-yCwn-3oqw-xBHT-9yjKGy
LV Write Access read/write
LV Status available
# open 2
LV Size 200.00 GB
Current LE 51200
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:1
--- Logical volume ---
LV Name /dev/vg0/portage
VG Name vg0
LV UUID 3AgwV0-lfLN-ksVr-68fT-d2E6-HsTE-ffEYOb
LV Write Access read/write
LV Status available
# open 2
LV Size 10.00 GB
Current LE 2560
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:2
--- Logical volume ---
LV Name /dev/vg0/livecd
VG Name vg0
LV UUID yfrzKx-pCnE-43Oc-QA0K-nooy-GTn8-EH16QM
LV Write Access read/write
LV Status available
# open 2
LV Size 6.00 GB
Current LE 1536
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:3
--- Logical volume ---
LV Name /dev/vg0/mediacell
VG Name vg0
LV UUID 3xaj3s-1E8c-HJuH-8ADe-ZTuP-b8iW-PMcNuS
LV Write Access read/write
LV Status available
# open 2
LV Size 20.00 GB
Current LE 5120
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:4
--- Logical volume ---
LV Name /dev/vg0/home
VG Name vg0
LV UUID 3vD1l9-oCwM-pG8C-c37H-p9hw-HIWq-D1hB0k
LV Write Access read/write
LV Status available
# open 2
LV Size 60.00 GB
Current LE 15360
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:5
Wiping internal VG cache
I'd appreciate any help, this error only happens on this machine.
thanks,
Don B
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