linux-kernel - Re: [PATCH] Allow NBD to be used locally

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Date:	Sat, 2 Feb 2008 17:57:45 +0100 (CET)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	devzero@....de
cc:	linux-kernel@...r.kernel.org, Laurent.Vivier@...l.net, pavel@....cz
Subject: Re: [PATCH] Allow NBD to be used locally


On Feb 2 2008 15:40, devzero@....de wrote:
>
>>In fact, VMware uses local nbd today for its vmware-loop helper
>>utility, most likely because of the above-mentioned reasons. (Though
>>it quite often hung last time I tried.)
>
>seems this will go away. recent vmware versions (e.g. server 2.0
>beta) have a fuse based replacement for that.

How will that work? Fuse makes up a filesystem - not helpful
if you have a raw disk without a known fs to mount.

>>So what we have is non-linearity -- LBA 22 comes after LBA 40 -- loop
>>does not deal with that.
>
>maybe dm-loop does? http://sources.redhat.com/lvm2/wiki/DMLoop

This still does not account for compressed disk images, for example.

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