On Sunday, 06 March 2011 20:18:10 +0700, Sthu Deus wrote: > Good time of the day.
Hi, Sthu. > I can not mount a KVM HDD file - in the VM I create partition on the > VM device, format it, latter I can access it in KVM. > > But when I try to mount the file in host environment (not VM) it > requires FS type, when it is specified, it gives usual error - bad SB, > mount option, etc. > > That's how I do it (and months ago it did work perfectly): > > # mount -t ext3 -o loop,offset=32256 ./db /mnt/0 > > # ls > da db > > the versions of KVM and related software is Debian 6 up to the date. With raw devices I have not had problems with Debian 6.0: ss01:~# fdisk -l /dev/vms/debian-test4 Disco /dev/vms/debian-test4: 10.7 GB, 10737418240 bytes 255 heads, 63 sectors/track, 1305 cylinders Units = cilindros of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 65536 bytes / 131072 bytes Disk identifier: 0x000b7998 Disposit. Inicio Comienzo Fin Bloques Id Sistema /dev/vms/debian-test4p1 1 122 979933+ 82 Linux swap / Solaris Partition 1 does not start on physical sector boundary. /dev/vms/debian-test4p2 123 1305 9502447+ 83 Linux Partition 2 does not start on physical sector boundary. ss01:~# losetup /dev/loop loop0 loop1 loop2 loop3 loop4 loop5 loop6 loop7 ss01:~# losetup /dev/loop0 /dev/vms/debian-test4 ss01:~# losetup -a /dev/loop0: [0005]:5012 (/dev/mapper/vms-debian--test4) ss01:~# fdisk -l /dev/loop0 Disco /dev/loop0: 10.7 GB, 10737418240 bytes 255 heads, 63 sectors/track, 1305 cylinders Units = cilindros of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000b7998 Disposit. Inicio Comienzo Fin Bloques Id Sistema /dev/loop0p1 1 122 979933+ 82 Linux swap / Solaris /dev/loop0p2 123 1305 9502447+ 83 Linux ss01:~# parted /dev/loop0 GNU Parted 2.3 Using /dev/loop0 Welcome to GNU Parted! Type 'help' to view a list of commands. (parted) unit Unit? [compact]? B (parted) print Model: (file) Disk /dev/loop0: 10737418240B Sector size (logical/physical): 512B/512B Partition Table: msdos Number Start End Size Type File system Flags 1 32256B 1003484159B 1003451904B primary linux-swap(v1) 2 1003484160B 10733990399B 9730506240B primary ext3 (parted) ss01:~# mount -o offset=1003484160 /dev/loop0 /mnt/ ss01:~# mount | grep loop /dev/loop1 on /mnt type ext3 (rw,offset=1003484160) ss01:~# df -h | grep loop /dev/loop1 9,0G 927M 7,6G 11% /mnt ss01:~# cd /mnt/ ss01:/mnt# ll total 100 drwxr-xr-x 2 root root 4096 ene 15 10:11 bin drwxr-xr-x 3 root root 4096 ene 15 10:12 boot lrwxrwxrwx 1 root root 11 ago 14 2010 cdrom -> media/cdrom drwxr-xr-x 4 root root 4096 ago 14 2010 dev drwxr-xr-x 3 root root 4096 ago 14 2010 emul drwxr-xr-x 58 root root 4096 ene 16 11:25 etc drwxr-xr-x 3 root root 4096 ago 14 2010 home lrwxrwxrwx 1 root root 30 ago 14 2010 initrd.img -> boot/initrd.img-2.6.26-2-amd64 lrwxrwxrwx 1 root root 30 ago 14 2010 initrd.img.old -> boot/initrd.img-2.6.26-1-amd64 drwxr-xr-x 11 root root 12288 ene 15 10:10 lib lrwxrwxrwx 1 root root 20 ago 14 2010 lib32 -> /emul/ia32-linux/lib lrwxrwxrwx 1 root root 4 ago 14 2010 lib64 -> /lib drwx------ 2 root root 16384 ago 14 2010 lost+found drwxr-xr-x 3 root root 4096 ago 14 2010 media drwxr-xr-x 2 root root 4096 dic 4 2008 mnt drwxr-xr-x 2 root root 4096 ago 14 2010 opt drwxr-xr-x 2 root root 4096 dic 4 2008 proc drwxr-xr-x 5 root root 4096 ene 15 11:14 root drwxr-xr-x 2 root root 4096 ene 15 10:22 sbin drwxr-xr-x 2 root root 4096 sep 16 2008 selinux drwxr-xr-x 2 root root 4096 ago 14 2010 srv drwxr-xr-x 2 root root 4096 ago 12 2008 sys drwxrwxrwt 4 root root 4096 ene 16 11:08 tmp drwxr-xr-x 11 root root 4096 ago 15 2010 usr drwxr-xr-x 14 root root 4096 ene 15 11:37 var lrwxrwxrwx 1 root root 27 ago 14 2010 vmlinuz -> boot/vmlinuz-2.6.26-2-amd64 lrwxrwxrwx 1 root root 27 ago 14 2010 vmlinuz.old -> boot/vmlinuz-2.6.26-1-amd64 Regards, Daniel -- Fingerprint: BFB3 08D6 B4D1 31B2 72B9 29CE 6696 BF1B 14E6 1D37 Powered by Debian GNU/Linux Lenny - Linux user #188.598
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