How can I have more loopback devices?

Sarah McGlinchey sarahwithanx at gmail.com
Mon Mar 26 12:21:12 EDT 2007


Take a look at:

modinfo loop

You should see something like this:
parm:           max_loop:Maximum number of loop devices (1-256) (int)

You can set something higher in modules.conf or add it to the kernel
command line if your loopback support is built into the kernel.  You
will either have to reboot or reload the module.


On 3/26/07, Matt Shields <mattboston at gmail.com> wrote:
> Sure, just pick a different destination folder.
>
> disc1.iso -> disc1/
> disc2.iso -> disc2/
> etc.....
>
> Matt
>
> On 3/26/07, Laura Conrad <sunny at laymusic.org> wrote:
> >
> > I have a script that attempts to mount all the .iso files in a
> > particular directory using the command:
> >
> >            mount -o loop -t iso9660 <file>.iso /mnt/mountdir/<file>
> >
> > At the moment, it will mount only 8 isos, and then it fails with the message:
> >
> >    mount: could not find any free loop device
> >
> > This is on an ubuntu edgy system.
> >
> > Is the number of loopback devices configured somewhere, so that I
> > could change it to 12 instead of 8?  And is there a major disadvantage
> > to having lots of loopback devices mounted?  I bought my system new
> > last summer, so it's relatively modern although by no means bleeding
> > edge.
> >
> > --
> > Laura (mailto:lconrad at laymusic.org , http://www.laymusic.org/ )
> > (617) 661-8097  fax: (501) 641-5011
> > 233 Broadway, Cambridge, MA 02139
> >
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