Debugging pseudo-disk driver on FreeBSD

Poul-Henning Kamp phk at
Sat May 1 23:50:34 PDT 2004

In message <Pine.GSO.4.50L0.0405020024040.23508-100000 at>, 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 at 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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