Mount an ISO image on a Solaris filesystem with lofiadm

Posted November 5, 2003 by Rex in Solaris system administration

Many software packages can be downloaded in the form of an ISO image. Rather than burning the image to a CD-ROM to access its contents, it is easy to mount the image directly into the filesystem using the lofiadm and mount commands.


Given an ISO image in /export/temp/software.iso, a loopback file device (/dev/lofi/1) is created with the following command:

lofiadm -a /export/temp/software.iso /dev/lofi/1

The lofi device creates a block device version of a file. This block device can be mounted to /mnt with the following command:

mount -F hsfs -o ro /dev/lofi/1 /mnt

These commands can be combined into a single command:

mount -F hsfs -o ro `lofiadm -a /export/temp/software.iso` /mnt

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