Messages in this thread | | | From | Denis Vlasenko <> | Subject | Re: About /etc/mtab and /proc/mounts | Date | Thu, 27 Feb 2003 14:48:33 +0200 |
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On 27 February 2003 11:21, jw schultz wrote: > On Thu, Feb 27, 2003 at 05:42:30PM +0900, Miles Bader wrote: > > Kasper Dupont <kasperd@daimi.au.dk> writes: > > > > Yes. On some systems, /var and /tmp are the _only_ read-write > > > > filesystems. > > > > > > OK, but then on such a system with my approach it would be > > > possible to make /mtab.d a symlink pointing to somewhere under > > > /var. > > > > ... you could do the same with /etc/mtab. > > > > In fact since /etc is almost guaranteed to be on the same > > filesystem as /, it seems like "/mtab.d" offers zero advantages > > over just /etc/mtab -- the case where /etc/mtab is the most > > annoying is when /etc is R/O, but this almost always means that / > > will be R/O, making /mtab.d useless too. > > If you netboot /etc as its own filesystem make sense. Why > duplicate the rest of root just for /etc. /etc, /var and > /tmp are the only filesystems that have much reason to be > unique to a system; all others are easily sharable and most > others read-only.
This is my netboot root fs, it is shared across all workstations (NB: .local is "mount --bind"ed to workstation-private directory):
# ls -la / drwxr-xr-x 6 root root 4096 Mar 12 2002 .local drwxr-xr-x 15 root root 4096 Feb 14 11:12 .share dr-xr-xr-x 2 root root 4096 Jan 16 14:29 bin dr-xr-xr-x 20 root root 1024 Feb 4 13:23 boot drwxr-xr-x 1 root root 0 Jan 1 1970 dev drwxr-xr-x 3 root root 4096 Jan 16 14:29 lib dr-xr-xr-x 68 root root 0 Feb 27 15:42 proc lrwxrwxrwx 1 root root 3 Oct 24 15:20 sbin -> bin lrwxrwxrwx 1 root root 12 Nov 12 2001 root -> /.share/root lrwxrwxrwx 1 root root 12 Nov 12 2001 home -> /.share/home lrwxrwxrwx 1 root root 11 Nov 12 2001 usr -> /.share/usr lrwxrwxrwx 1 root root 11 Nov 12 2001 mnt -> /.local/mnt lrwxrwxrwx 1 root root 11 Jun 7 2002 etc -> /.local/etc lrwxrwxrwx 1 root root 11 Nov 12 2001 tmp -> /.local/tmp lrwxrwxrwx 1 root root 11 Nov 12 2001 var -> /.local/var -- vda - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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