#----------------------# [root@icicle images]# dd if=/dev/zero of=/export/images/disk2.img bs=1M count=17104 17104+0 records in 17104+0 records out 17934843904 bytes (18 GB) copied, 135.225 s, 133 MB/s [root@icicle images]# #----------------------# [root@icicle images]# mkfs.ext4 /export/images/disk2.img mke2fs 1.42.5 (29-Jul-2012) /export/images/disk2.img is not a block special device. Proceed anyway? (y,n) y Discarding device blocks: done Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 1095584 inodes, 4378624 blocks 218931 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=4294967296 134 block groups 32768 blocks per group, 32768 fragments per group 8176 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000 Allocating group tables: done Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done #----------------------# [root@icicle images]# #----------------------# [root@icicle images]# virsh attach-disk f19-test /export/images/disk2.img vdb Disk attached successfully #----------------------# [root@icicle images]# virsh console f19-test Connected to domain f19-test Escape character is ^] Fedora release 19 (Schrödinger’s Cat) Kernel 3.9.0-0.rc4.git0.1.fc19.x86_64 on an x86_64 (ttyS0) localhost login: root Password: Last login: Thu Apr 4 02:02:09 on ttyS0 [root@localhost ~]# #----------------------# [root@localhost ~]# mkdir /mnt/newdisk [root@localhost ~]# mount /dev/vdb /mnt/newdisk [158988.293694] EXT4-fs (vdb): mounted filesystem with ordered data mode. Opts: (null) [root@localhost ~]# [root@localhost ~]# cd /mnt/newdisk [root@localhost newdisk]# ls lost+found [root@localhost newdisk]# touch foo [root@localhost newdisk]# #----------------------# [root@localhost var]# grep vdb /etc/fstab /dev/vdb /mnt/newdisk ext4 defaults,auto 1 1 [root@localhost var]# #----------------------# [root@localhost var]# df -hT Filesystem Type Size Used Avail Use% Mounted on /dev/mapper/fedora-root ext4 5.4G 5.4G 0 100% / devtmpfs devtmpfs 4.7G 0 4.7G 0% /dev tmpfs tmpfs 4.7G 0 4.7G 0% /dev/shm tmpfs tmpfs 4.7G 388K 4.7G 1% /run tmpfs tmpfs 4.7G 0 4.7G 0% /sys/fs/cgroup tmpfs tmpfs 4.7G 472K 4.7G 1% /tmp /dev/vda1 ext4 477M 87M 365M 20% /boot /dev/loop0 ext4 4.6G 10M 4.4G 1% /srv/node/device1 /dev/loop1 ext4 4.6G 10M 4.4G 1% /srv/node/device2 /dev/loop2 ext4 4.6G 10M 4.4G 1% /srv/node/device3 /dev/loop3 ext4 4.6G 10M 4.4G 1% /srv/node/device4 /dev/vdb ext4 17G 44M 16G 1% /mnt/newdisk [root@localhost var]# #----------------------#