[illumos-Developer] [OpenIndiana-discuss] ZFS normalization problem

[Ichiko Sakamoto]

I filed this issue:
https://www.illumos.org/issues/1300

Thank you.

Ichiko Sakamoto

(2011/07/29 9:23), Richard Lowe wrote:
> The best thing to do is likely to file an illumos bug
> (http://illumos.org/issues/illumos-gate) and possibly post to
> developers at lists.illumos.org.  I'm not sure what the overlap of this
> list, zfs-code, and developers@ is.
>
> -- Rich
>
> _______________________________________________
> OpenIndiana-discuss mailing list
> OpenIndiana-discuss at openindiana.org
> http://openindiana.org/mailman/listinfo/openindiana-discuss
>

(2011/07/29 9:11), Ichiko Sakamoto wrote:
 > Hi All,
 >
 > Problem:
 >   We can create invisible file in ZFS.
 >
 > How to reproduce:
 > 0. Prepare normalization formD ZFS.
 >
 > 	# cat cat /etc/release
 > 	cat: cat: No such file or directory
 > 	             OpenIndiana Development oi_151 X86 (powered by illumos)
 > 	        Copyright 2011 Oracle and/or its affiliates. All rights reserved.
 > 	                        Use is subject to license terms.
 > 	                           Assembled 28 April 2011
 > 	# mkfile 100M 100M
 > 	# zpool create -O utf8only=on -O normalization=formD test_pool $( pwd )/100M
 > 	# zpool upgrade
 > 	This system is currently running ZFS pool version 28.
 >
 > 	All pools are formatted using this version.
 > 	# zfs get normalization test_pool
 > 	NAME       PROPERTY       VALUE          SOURCE
 > 	test_pool  normalization  formD          -
 > 	# chmod 777 /test_pool
 >
 > 1. Create a NFD file.
 >
 > 	$ cd /test_pool/
 > 	$ cp /etc/release $( echo "\x75\xcc\x88" )
 > 	$ ls -la
 > 	total 4
 > 	drwxrwxrwx  2 root  root    3 2011-07-29 08:53 .
 > 	drwxr-xr-x 25 root  root   26 2011-07-29 08:53 ..
 > 	-r--r--r--  1 test1 staff 251 2011-07-29 08:53 u?
 > 	$
 >
 > 2. Unlink NFC name of the file.
 >
 > 	$ rm -fv $( echo "\xc3\xbc" )
 > 	removed `u'
 >
 > 3. The file is invisible but can be accessed with NFD name.
 >
 > 	$ ls -la
 > 	total 3
 > 	drwxrwxrwx  2 root root  2 2011-07-29 08:54 .
 > 	drwxr-xr-x 25 root root 26 2011-07-29 08:53 ..
 > 	$
 > 	$ cat $( echo "\x75\xcc\x88" )
 > 	             OpenIndiana Development oi_151 X86 (powered by illumos)
 > 	        Copyright 2011 Oracle and/or its affiliates. All rights reserved.
 > 	                        Use is subject to license terms.
 > 	                           Assembled 28 April 2011
 > 	$ stat $( echo "\x75\xcc\x88" )
 > 	  File: `u?'
 > 	  Size: 251             Blocks: 2          IO Block: 512    regular file
 > 	Device: 2d9000ah/47775754d      Inode: 8           Links: 0
 > 	Access: (0444/-r--r--r--)  Uid: (  101/   test1)   Gid: (   10/   staff)
 > 	Access: 2011-07-29 08:54:28.964231657 +0900
 > 	Modify: 2011-07-29 08:53:58.437886638 +0900
 > 	Change: 2011-07-29 08:53:58.437886638 +0900
 >
 >   nlink == 0. but we can open this file with NFD name.
 >
 > sol11 ex 2010.11 has the same issue.
 > http://www.opensolaris.org/jive/thread.jspa?messageID=521695
 >
 >
 >
 > Thanks.
 >
 > Ichiko Sakamoto