Darren Reed wrote:
If/when ZFS supports this then it would be nice to also be able
to have Solaris bleach swap on ZFS when it shuts down or reboots.
Although it may be that this option needs to be put into how we
manage swap space and not specifically zomething for ZFS.
Doing this to swap space has been a kernel option on another very
widely spread operating system for at least 2 major OS releases...
Which ones ? I know that MacOS X and OpenBSD both support "encrypted"
swap which for swap IMO is a better way to solve this problem.
You can get that today with OpenSolaris by using the stuff in the loficc
project. You will also get encrypted swap when we have ZFS crypto and
you swap on a ZVOL that is encrypted.
Note though that that isn't quite the same way as OpenBSD solves the
encrypted swap problem, and I'm not familiar with the technical details
of what Apple did in MacOS X.
Bleaching is a time consuming task, not something I'd want to do at
system boot/halt.
--
Darren J Moffat
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