rsync --xattrs w/ nfs

[Eric Shubert]

I could use a little help.

I'm trying to rsync w/ --xattrs to a mounted nfs filesystem, and get the 
following error on each file:
  rsync_xal_set: lsetxattr user.DOSATTRIB failed: Operation not supported
The rsync works fine w/out the --xattrs option. This appears to indicate 
that xattr isn't enabled on the destination side.

Both hosts are running current CentOS5.4, and I'm running as root (just 
for testing).

The source files contain the user.DOSATTRIB attributes from samba:
         map archive = no
         map hidden = no
         map read only = no
         map system = no
         store dos attributes = yes
         dos filemode = yes
and the source filesystem (ext3) has xattr enabled:
# tune2fs -l /dev/mapper/VolGroup00-LogVol00 | grep attr
Filesystem features:      has_journal ext_attr resize_inode dir_index 
filetype needs_recovery sparse_super large_file
Default mount options:    user_xattr acl

The remote host has xattr enabled as well:
# tune2fs -l /dev/md7 | grep attr
Filesystem features:      has_journal ext_attr resize_inode dir_index 
filetype needs_recovery sparse_super large_file
Default mount options:    user_xattr acl

I've added user_xattr specifically to the fstab entry on the destination 
side, in case the default mount option wasn't taking:
# cat /etc/fstab | grep md7
/dev/md7       /udat       ext3    user_xattr,acl  1 2

Autofs mounts nfs with the following options:
-async,auto,rw,suid,user_xattrs,acl,fstype=nfs,rsize=32768,wsize=32768,intr

I'm guessing that nfs is likely the problem, but from googling a bit, it 
appears that nfs should pass xattr values just fine. Perhaps this is 
incorrect.

Does anyone have an idea why I'm getting this error?
Solution?
TIA.

-- 
-Eric 'shubes'