It seems the lvm tools get confused when there is devfs compiled into the
kernel but it's not mounted at /dev. Twice I had
lvcreate -l 1024 vghm -n home
fail on me with an error about /dev/vghm/home being inacessible. That's
simply because it was not there.
When I created /dev/vghm/home with the same data as /devices/vghm/home
it wasn't available right away (according to vgdisplay, the extents
were allocated, but lvdisplay did not show the logical volume). When I reran
vgscan (and maybe rebooted in the process, I have rebooted lots of times)
it showed up and worked. The device is formatted with reiserfs now and
mounted.
Now, when I try to display the volume info:
root@NEWgosper:~# lvdisplay /devices/vghm/home
lvdisplay -- invalid logical volume name "/devices/vghm/home"
root@NEWgosper:~# lvdisplay /dev/vghm/home
--- Logical volume ---
LV Name /dev/vghm/home
VG Name vghm
LV Write Access read/write
LV Status available
LV # 1
# open 1
LV Size 4.00 GB
Current LE 1024
Allocated LE 1024
Allocation next free
Read ahead sectors 120
Block device 58:1
root@NEWgosper:~# ls -l /dev/vghm/home /devices/vghm/home
brw-r----- 1 root root 58, 1 Apr 29 01:23 /dev/vghm/home
brw-r----- 1 root root 58, 1 Jan 1 1970 /devices/vghm/home
Kernel 2.4.18, devfs compiled in but mounted on /devices and not on /dev
(just testing with devfs).
Logical Volume Manager 1.0
Heinz Mauelshagen, Sistina Software 14/08/2001 (IOP 10)
Koos van den Hout
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