In message , Siddharth Aggarwal writes:
>I am working on a Copy on Write disk driver on FreeBSD where I try to save
>the state of a filesystem (/dev/ad0s3) to another device (/dev/ad0s4) by
>making a virtual device that sits on top of these two (/dev/shd0).

Are you doing this using GEOM under FreeBSD 5 ? If not you should start
doing that now.

Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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