[linux-lvm] Moving Xen LV to image and mounting the image.
Chris Edwards
cedwards at smartechcorp.net
Fri Nov 14 16:02:49 UTC 2008
>> sfdisk: ERROR: sector 0 does not have an msdos signature
>> /dev/loop5: unrecognized partition table type
>Why run sfdisk?
Just trying to see the partitions incase I have to mount with an offset.
>> mount -o loop wdcdns1.img /mnt/tmp/
>Why are you using '-o loop'. You already have the loop device setup.
>Couldn't you just:
>prompt> mount /dev/loop5 /mnt/tmp
>... or, if you didn't create the loop device already
>prompt> mount -o loop /root/wdcdns1.img /mnt/tmp
>> mount: you must specify the filesystem type
>> ---
>> mount -t xfs -o loop,ro,noatime,nodev,nofsck ~/wdcdns1.img /mnt/tmp/
>>
>> mount: unknown filesystem type 'xfs'
>Is the xfs module loaded? (do you have xfs support?)
I installed the xfs module with yum and then deleted all the loopback devices with losetup -d and started over again...
[root at wdcxen1 ~]# losetup -a
[root at wdcxen1 ~]# losetup /dev/loop0 /root/wdcdns1.img
[root at wdcxen1 ~]# losetup -a
/dev/loop0: [0807]:14876937 (/root/wdcdns1.img)
[root at wdcxen1 ~]# mount -t xfs -o loop,ro,noatime,nodev,nofsck ~/wdcdns1.img /mnt/tmp/
mount: wrong fs type, bad option, bad superblock on /dev/loop1,
missing codepage or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
I really appreciate everyones help, this has been stumping me for a week or so.
Thanks!
Chris Edwards
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