Date: Sat, 8 Dec 2001 21:41:56 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: Bernd Walter <ticso@cicely8.cicely.de> Cc: Peter Wemm <peter@wemm.org>, Wilko Bulte <wkb@freebie.xs4all.nl>, "David O'Brien" <dev-null@NUXI.com>, Garance A Drosihn <drosih@rpi.edu>, "Louis A. Mamakos" <louie@TransSys.COM>, Sheldon Hearn <sheldonh@starjuice.net>, Kirk McKusick <mckusick@beastie.mckusick.com>, freebsd-arch@FreeBSD.ORG Subject: Re: Proposed auto-sizing patch to sysinstall (was Re: Using a larger block size on large filesystems) Message-ID: <200112090541.fB95fuJ35335@apollo.backplane.com> References: <20011209003829.C6171@cicely8.cicely.de> <20011209005732.019053808@overcee.netplex.com.au> <20011209025547.B7042@cicely8.cicely.de> <200112090223.fB92NKf34327@apollo.backplane.com> <20011209041249.D7042@cicely8.cicely.de> <200112090359.fB93xTL34741@apollo.backplane.com> <20011209061231.E7042@cicely8.cicely.de>
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:/home is pointing to a network shared home - right?
:/var/users is local - if you have a local home.
:That doesn't mean that you can't link them against if you don't see the
:need to differenciate.
Again, this doesn't make much sense to me. Who says /home has to point
to a network share? Who says /var/users has to be local? When people
get involved with network configurations there are no standards... there
are a thousand ways to set such a machine up. For example, at BEST
the /home's on our shell machines containing mainly softlinks, one
for each user, pointing to various other partitions. Administrative
directories were left in /home, user directories were typically
softlinks to other partitions, and on our old SGI's user directories in
the /home of one machine were softlinked to NFS mounted volumes.
:This is only a sign that it's already been diffused.
:As long as you don't have local homes and network wide homes together
:it doesn't matter - but I doubt that any serious administrator of a
:multihost user architecture uses adduser.
And I doubt any serious administrator of a multihost user architecture
uses the 'A'uto option to sysinstall either, a point I've tried to make
several times that you seem to be missing.
:Just an example:
:You use /home on a single machine and later add another machine.
:Now you may want a shared home for both machines.
:But were do you mount it? /var/home? /net/home?
There are thousand ways this could be done. You might want to mount
the network home on /home. Me? I would probably mount the network
home on /machine/home and create softlinks in my local /home to point
to it on a user by user basis. Amoung other things that would allow
me to distribute my userbase across a number of NFS servers if I so
desired, rather then just one, and I could still place administrative
directories in the same local /home directly (without a softlink)
to ensure that the machine could still be booted into single-user
or into multi-user with only administrative accounts active. This
type of configuration also allows me to distribute my users across
local partitions (e.g. /u1, /u2, /u3) or a combination of local and
remote partitons without having to worry about the crash of a 'large'
disk taking out a heavily used path like /home.
Etc... It is simply not the 'A'uto option's job to try to deal with
these complex situations.
-Matt
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