Subject: experiments with fss, vnd and cgd
To: None <email@example.com>
From: Daniel Carosone <firstname.lastname@example.org>
Date: 04/06/2005 11:58:39
Content-Type: text/plain; charset=us-ascii
After Manuel's recent vnd fix, I wanted to test and ensure that these
things worked together, so I did some testing.
My disk is encrypted with cgd. I made a vnd file in there, and
configured that as a second cgd, and a filesystem in there. I created
a bunch of IO load, and also some memory pressure to force swapping
and resource-shortage conditions. While all this was going on I made
a number of fss(4) internal snapshots in the test filesystem, and read
from those with things like dump(8).
I can report that fss-on-cgd-on-vnd-on-cgd seems to work very well.
Thanks again, Manuel.
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