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Interesting question takes a
few minutes to test... http://docs.sun.com/app/docs/doc/819-2252/acl-5?l=en&a=view&q=acl%285%29+ http://docs.sun.com/app/docs/doc/819-2239/chmod-1?l=en&a=view ZFS [tp47...@norton:] df . Filesystem size used avail capacity Mounted on rpool/export/home/tp47565 16G 1.2G 9.7G 11% /export/home/tp47565 [tp47...@norton:] touch file.3 [tp47...@norton:] ls -v file.3 -rw-r----- 1 tp47565 staff 0 Sep 16 15:02 file.3 0:owner@:execute:deny 1:owner@:read_data/write_data/append_data/write_xattr/write_attributes /write_acl/write_owner:allow 2:group@:write_data/append_data/execute:deny 3:group@:read_data:allow 4:everyone@:read_data/write_data/append_data/write_xattr/execute /write_attributes/write_acl/write_owner:deny 5:everyone@:read_xattr/read_attributes/read_acl/synchronize:allow [tp47...@norton:] chmod A+user:lp:read_data:deny file.3 [tp47...@norton:] ls -v file.3 -rw-r-----+ 1 tp47565 staff 0 Sep 16 15:02 file.3 0:user:lp:read_data:deny 1:owner@:execute:deny 2:owner@:read_data/write_data/append_data/write_xattr/write_attributes /write_acl/write_owner:allow 3:group@:write_data/append_data/execute:deny 4:group@:read_data:allow 5:everyone@:read_data/write_data/append_data/write_xattr/execute /write_attributes/write_acl/write_owner:deny 6:everyone@:read_xattr/read_attributes/read_acl/synchronize:allow [tp47...@norton:] Let's try the new ACLs on tmpfs [tp47...@norton:] cd /tmp [tp47...@norton:] df . Filesystem size used avail capacity Mounted on swap 528M 12K 528M 1% /tmp [tp47...@norton:] grep swap /etc/vfstab swap - /tmp tmpfs - yes - /dev/zvol/dsk/rpool/swap - - swap - no - [tp47...@norton:] [tp47...@norton:] touch file.3 [tp47...@norton:] ls -v file.3 -rw-r----- 1 tp47565 staff 0 Sep 16 14:58 file.3 0:user::rw- 1:group::r-- #effective:r-- 2:mask:rwx 3:other:--- [tp47...@norton:] [tp47...@norton:] chmod A+user:lp:read_data:deny file.3 chmod: ERROR: ACL type's are different [tp47...@norton:] So tmpfs does not support the new ACLs Do I have to do the old way as well? Roland Mainz wrote: Hi! ----Does anyone know out-of-the-head whether tmpfs supports ACLs - and if "yes" - which type(s) of ACLs (e.g. NFSv4/ZFS, old POSIX draft ACLs etc.) are supported by tmpfs ? ---- Bye, Roland --
Trevor
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