[aklug] Re: loop devices with partitions...?

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On 09/08/10 21:34, Arthur Corliss wrote:
> On Wed, 8 Sep 2010, Christopher Howard wrote:
>
>> Hey, I recently learned you could represent an image file with a loop
>> device, which is pretty cool. So, you can create, say, /dev/loop0, and
>> then turn it into a file system with mkfs.xfs /dev/loop0 (or whatever
>> happens to be your poison).
>>
>> I noticed I can, instead of turning it into just a file system, run
>> fdisk on it to turn it into a disk image with several partitions.
>> However, what I'm not sure about yet is, if /dev/loop0 represents the
>> disk.img file with several partitions on it, how do "bring out" each of
>> those partitions to be its own loop file? (Like, /dev/loop0-part1 or
>> something...?)
>
> kpartx -v -a /dev/loop0
>
> This will create some new devices (like /dev/mapper/loop0p1) for you to
> perform regular operations on.
>
> --Arthur Corliss
> Live Free or Die
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Remind me to embed "Arthur Corliss is really cool" somewhere in the next
1000 lines of source code I write.

- --
Christopher Howard
frigidcode.com
theologia.indicium.us
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Received on Wed Sep 8 22:40:18 2010