Unable to dump on ccd partitions?

Poul-Henning Kamp phk at phk.freebsd.dk
Sun Nov 16 15:19:34 PST 2003

In message <20031116231020.GA17653 at xor.obsecurity.org>, Kris Kennaway writes:

># dumpon /dev/ccd0b
>dumpon: ioctl(DIOCSKERNELDUMP): Invalid argument
>Why doesn't this work?

Because it would require the entire GEOM I/O engine to participate
in dumping.

As far as I know you never could dump on CCD.

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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