[linux-lvm] Re: Re: Problems with dissapearing PV when mounting (Stuart D. Gathman)
malahal at us.ibm.com
malahal at us.ibm.com
Mon Dec 7 23:11:37 UTC 2009
Johan Gardell [gardin at gmail.com] wrote:
> Ok, added a filter to remove /dev/fd0. But i still get
> [22723.980390] device-mapper: table: 254:1: linear: dm-linear: Device
> lookup failed
> [22723.980395] device-mapper: ioctl: error adding target to table
> [22724.001153] device-mapper: table: 254:2: linear: dm-linear: Device
> lookup failed
> [22724.001158] device-mapper: ioctl: error adding target to table
There are lots of reasons why the above message shows up. Most likely
someone else using them...
> mount doesn't give any messages in dmesg
>
> lvs shows:
> LV VG Attr LSize Origin Snap% Move Log Copy% Convert
> dreamhacklv Dreamhack -wi-ao 1,23t
> root gardin -wi-d- 928,00g
> swap_1 gardin -wi-d- 2,59g
>
> if i try to mount with:
> mount -t reiserfs /dev/mapper/gardin-root /mnt/tmp
>
> i get this in dmesg:
> [23113.711247] REISERFS warning (device dm-1): sh-2006
> read_super_block: bread failed (dev dm-1, block 2, size 4096)
> [23113.711257] REISERFS warning (device dm-1): sh-2006
> read_super_block: bread failed (dev dm-1, block 16, size 4096)
> [23113.711261] REISERFS warning (device dm-1): sh-2021
> reiserfs_fill_super: can not find reiserfs on dm-1
Looks like you have some kind of LV here. What is the output of the
following two commands:
1. "dmsetup table"
1. "dmsetup ls"
Thanks, Malahal.
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