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Date:      Wed, 27 Feb 2002 12:49:18 -0800 (PST)
From:      Patrick Thomas <root@utility.clubscholarship.com>
To:        <freebsd-hackers@freebsd.org>
Cc:        <freebsd-emulation@freebsd.org>
Subject:   using vnconfig devices instead of partitions for jails ?
Message-ID:  <20020227124518.X67780-100000@utility.clubscholarship.com>

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I would like to put a large number of jails (16 or 20) on a server for
testing purposes.

I have two options so far: create 16 or 20 partitions OR just put them all
in one partition, but the downside of that is that then I cannot enforce
disk usage between jails.  So at this point, 16-20 partitions seems the
safest route.

But, what about using vnconfig to create files of fixed sizes and then
mounting them?

Is this reasonable ?

Is there a limit to how many vnconfig files I can mount as filesystems ?

Is there a way to mount a directory _inside_ a vnconfig mount as a 'proc'
filesystem (since the jail needs proc in order for ps, etc., to work?)

Any comments about this idea in general are appreciated.

--PT


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