Date: Wed, 07 Jan 2004 09:26:13 +0100 From: Martin Brecher <listuser@mb-itconsulting.com> To: Rob <listone@deathbeforedecaf.net> Cc: "Chad Leigh -- Shire.Net LLC" <chad@shire.net> Subject: Re: jails; sharing parts of file system; mounting pieces of file system in other positions, etc. Message-ID: <3FFBC2A5.7050504@mb-itconsulting.com> In-Reply-To: <010101c3d4f2$c5f49320$a4b826cb@goo> References: <13B5D138-40E2-11D8-B8B0-003065A70D30@shire.net> <010101c3d4f2$c5f49320$a4b826cb@goo>
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Chad, Rob, - >>On linux you can do a >> >>% mount -bind olddir newdir >> >>to remount a piece of the FS somewhere else. The NullFS on FBSD seems >>to allow similar things. However, as much as I could find on NullFS > [...] > > I'm currently setting up my 4.9-RELEASE webserver to do something > similar - each jail gets a root filesystem, but /usr is shared readonly > by all of them. The exception is /usr/local/etc, which is symlinked to > /etc/local (in the jail). > > My impression, though I don't have much to back this up with, is that > nullfs is reliable enough in read-only mode. Other folks may have a > different opinion. > Personally, I use (localhost) nfs-mounts to remount parts of the file system somewhere else. Works quite well. Greetings, Martin Brecher
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