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Loopback Device: Difference between revisions
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Adding OpenBSD information (And fixing the FreeBSD..)
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To shut and image down, unmount and unconfigure it.
umount /
vnconfig -c /dev/vn0
Line 318:
To unmount:
umount /
mdconfig -d -u md0
== Loopback Device under OpenBSD ==
OpenBSD has used vnconfig(8) since OpenBSD 2.2 (or earlier..) to OpenBSD 4.0-CURRENT.
Under root or using su/sudo, Here are example steps for configuring a vnode pseudo disk device.
Creating the floppy.img file using dd:
dd if=/dev/zero of=/path/to/floppy.img bs=512 count=2880
Configuring the svnd0 device:
vnconfig svnd0 /path/to/floppy.img
Listing configured vnd/svnd devices:
vnconfig -l
Output:
vnd0: covering floppy.img on wd0a, inode 270473
vnd1: not in use
vnd2: not in use
vnd3: not in use
Creating a FAT12 file system and then mounting the device:
newfs_msdos -f 1440 /dev/svnd0c
mount -t msdos /dev/svnd0c /mnt/floppy
Removing the device mount and removing the svnd0 device:
umount /mnt/floppy
vnconfig -u /dev/svnd0c
[[Category:Disk Image Utilities]]
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