- <xref linkend="dbdoclet.adding_new_mdt"/>.</para>
- <warning condition='l24'><para>MDT0 contains the root of the Lustre file
- system. If MDT0 is unavailable for any reason, the file system cannot be
- used.</para></warning>
- <note condition='l24'><para>Using the DNE feature it is possible to
- dedicate additional MDTs to sub-directories off the file system root
- directory stored on MDT0, or arbitrarily for lower-level subdirectories.
- using the <literal>lfs mkdir -i <replaceable>mdt_index</replaceable></literal> command.
- If an MDT serving a subdirectory becomes unavailable, any subdirectories
- on that MDT and all directories beneath it will also become inaccessible.
- Configuring multiple levels of MDTs is an experimental feature for the
- 2.4 release, and is fully functional in the 2.8 release. This is
- typically useful for top-level directories to assign different users
- or projects to separate MDTs, or to distribute other large working sets
- of files to multiple MDTs.</para></note>
+ <xref linkend="lustremaint.adding_new_mdt"/>.</para>
+ <warning><para>MDT0000 contains the root of the Lustre file system. If
+ MDT0000 is unavailable for any reason, the file system cannot be used.
+ </para></warning>
+ <note><para>Using the DNE feature it is possible to dedicate additional
+ MDTs to sub-directories off the file system root directory stored on
+ MDT0000, or arbitrarily for lower-level subdirectories, using the
+ <literal>lfs mkdir -i <replaceable>mdt_index</replaceable></literal>
+ command. If an MDT serving a subdirectory becomes unavailable, any
+ subdirectories on that MDT and all directories beneath it will also
+ become inaccessible. This is typically useful for top-level directories
+ to assign different users or projects to separate MDTs, or to distribute
+ other large working sets of files to multiple MDTs.</para></note>