Date: Thu, 17 Nov 2005 11:36:36 -0700 From: "Chad Leigh -- Shire.Net LLC" <chad@shire.net> To: Mark Bucciarelli <mark@gaiahost.coop> Cc: Free BSD Questions list <freebsd-questions@freebsd.org> Subject: Re: nullfs [was: Need urgent help regarding security] Message-ID: <C57AB8B2-3349-4787-8354-B91AC6CACC49@shire.net> In-Reply-To: <20051117143643.GC2572@rabbit> References: <51190.68.165.89.71.1132194943.squirrel@mail.el.net> <20051117025112.3707143D45@mx1.FreeBSD.org> <20051117043859.GF26954@localdomain> <D4EE1810-A918-491C-9860-CF12945337A7@shire.net> <20051117143643.GC2572@rabbit>
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On Nov 17, 2005, at 7:36 AM, Mark Bucciarelli wrote: > On Wed, Nov 16, 2005 at 10:16:16PM -0700, Chad Leigh -- Shire.Net LLC > wrote: > >> I then create one or more jails that use nullfs to READ ONLY mount >> specific parts of the master hierarchy into the jail. > > This is very interesting to me, as I are currently working on a jail > design and nullfs has a number of question marks next to it, mainly > due > to the scary man page warning. Here are a few of the questions: > > How did you decide it was trustworthy? I did a few tests and read some archived posts from others using it. I was previously using a localhost nfs mount but wanted to eliminate nfs from the mix due to another issue I was having. > > Does it result in lower RAM usage? (The program that is run, for > example, Apache, comes from the same spot on the disk across all > jails.) Don't know. Never did any tests. > > Is it currently maintained? The man page includes a maintainer > solicitation. Don't know. However, archived posts lead me to believe that bugs have been fixed etc recently and the man page may be out of date. > > Have you had any problems in production? Not that I know of. Seems to be running fine with over 40 jails on the machine. Most are READ ONLY but I do have one jail with a RW / usr so it can install ports etc. I have a /usr/public I install ports into for all jails to use. > > Have you used it for long? > A few months. Previously I was happily doing the same thing with the localhost nfs mount. best Chad > m > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions- > unsubscribe@freebsd.org" --- Chad Leigh -- Shire.Net LLC Your Web App and Email hosting provider chad@shire.net
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