Date: Fri, 9 Jan 2004 11:51:12 -0700 From: "Chad Leigh -- Shire.Net LLC" <chad@shire.net> To: freebsd-questions@freebsd.org Subject: how many mounts can a system have? Message-ID: <CBF236B0-42D4-11D8-9F43-003065A70D30@shire.net>
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I am experimenting with using nfs mounts from localhost to build a set of read only mounts of basic system directories so that I have a single "filebase" to base a farm of jails off of. Ie, mount localhost:/jail/master/bin /jail/myjail1/bin mount localhost:/jail/master/libexec /jail/myjail1/libexec etc Currently I am doing this with /bin /lib /libexec /sbin /usr/bin /usr/include /usr/lib /usr/libexec /usr/sbin /usr/share The following remain as separate per jail structures: /etc /var /usr/local and also something I call /local which is a separate file-backed FS (md based). This is where the user sticks all their stuff. The idea is to make it easier to upgrade and maintain a large number of jails. Upgrade the (non running) master and youonly have to merge etc and stuff like that in the individuals... It seems to be working pretty well in test. I was wondering how well this will scale (ie, how many jails I can make)? How many different mounts can I do on the base system before you either have performance problems or you hit a limit? I did some simple Googles and didn't find any answer on how many mounts you can have. Thanks Chad
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