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Re: Access partitions on a file in NetBSD (kpartx alternative)
On Sun, Mar 17, 2013 at 08:19:11PM +0100, tech mailinglists wrote:
> I am searching for a tool or method to access paritions from a file. So for
> example I have a simple file or logical volume which contains a partition
> table and multiple partitions. So I normally can't mount this partitions
> with mount.
> In Linux for example I would simply use kpartx to get dummy/pointer-devices
> for the partitions in /dev/mapper/ so is there a tool which do the same on
> NetBSD to get access to the partitions within the file or logical volume?
In case of an image/file, you could probably use vnconfig(8):
vnconfig -c device file
dkctl device addwedge name startblk blkcnt
which "defines a ``wedge'' on the specified disk starting at block
number startblk and spanning blkcnt blocks."
In order to get startblk and blkcnt you could use fdisk(8):
assuming the image/file contains an mbr.
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