Date: Wed, 23 Mar 2011 16:48:21 +1100 From: Lawrence Stewart <lastewart@swin.edu.au> To: freebsd-fs@freebsd.org Subject: mount -o union doesn't allow changes to sub directories? Message-ID: <4D8989A5.1020203@swin.edu.au>
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Hi again, If I run something like: mount -o union /dev/md0 /etc where md0 is a memory backed fs device, and /etc is fully populated but mounted RO off a CD, I can touch a new file in /etc, but can't in any subdir of etc (fails with "Read-only filesystem" reported). As far as I can tell this is a bug, but wanted to check if I'm misunderstanding how the "-o union" mount option is supposed to work. Cheers, Lawrence
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