Date: Sat, 26 Jul 2003 23:55:14 -0700 (PDT) From: User KATRINA <katrina@firewire.nightrealmstudios.com> To: freebsd-questions@freebsd.org Subject: Re: Sharing among jails Message-ID: <20030726235431.U441@firewire.nightrealmstudios.com> In-Reply-To: <20030727015915.F81611@hub.org> References: <20030726112605.E439@firewire.nightrealmstudios.com> <20030726194123.GA23196@Amber.XtremeDev.com> <20030727015915.F81611@hub.org>
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Do you have any URL's with info on UNIONfs (setting up, etc.) - I'll look into this and NFS - Thank you! On Sun, 27 Jul 2003, The Hermit Hacker wrote: > On Sat, 26 Jul 2003, BSD wrote: > > > IMHO, the best way would be to use mount_union or mount_null (I still > > can't figure out what's the difference between them...) of the ports > > directory. However, that said, I tried that myself about a year back, > > and accesses in the jail caused my FreeBSD machine to lock up solid. So > > I guess the warnings in the BUGS section of the mount_union and > > mount_null man pages are still in full effect. > > *Alot* has changed in a year ... I use UNIONFS to share between 60 jails > on one server right now, and the server has been purring *knock on wood* > > up 19+08:28, 0 users, load 10.66, 11.52, 10.17 > > As for the difference between UNION and NULL ... and someone more > knowledge will hopefully correct me, but based on my experience ... > > If you UNIONfs a file system over top of another, you can use NULLfs to > "seperate" the two ... as an example, if you UNIONFS /usr/ports under > /jail/usr/ports and do a du of /jail/usr/ports, you will get everything > ... if you NULLFS mount /jail/usr/ports to /null/usr/ports, and do > /null/usr/ports, you will get only those files that are *on* > /jail/usr/ports ... > > Basically, NULLFS gives the same result as if you unmounted the UNIONFS > and looked at /jail/usr/ports ... > > > _______________________________________________ > 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" >
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