Re: [Xen-devel] lomount: handy for file-backed VBDs

[Jeremy Katz <katzj@xxxxxxxxxx>]

On Tue, 2005-01-25 at 11:10 +0000, Ian Pratt wrote:
> > This utility (from Qemu) might be useful to anyone who has multiple 
> > partitions 
> > on a file-backed VBD and wants occasionally to mount them in dom0.
> > 
> > http://www.dad-answers.com/qemu/utilities/QEMU-HD-Mounter/lomount/
> > 
> > You can tell it what partition to mount out of the file and it sorts out 
> > the 
> > offsets, etc. by parsing the partition table.  This allows you to get 
> > around 
> > the loop driver's lack of support for partitioning.
> 
> There's also the NASA's enhanced loopback device patch:
> 
> ftp://ftp.hq.nasa.gov/pub/ig/ccd/enhanced_loopback/readme.txt
> 
> This should arguably be part of our default dom0 build.

There's also kpartx which just uses device-mapper to create devices for
each of the partitions on a loopdev.

Jeremy



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