<glossentry xml:id="DNE" condition='l24'>
<glossterm>Distributed namespace (DNE)</glossterm>
<glossdef>
- <para>A collection of metadata targets serving a single file
+ <para>A collection of metadata targets serving a single file
system namespace. Prior to DNE, Lustre file systems were limited to a
single metadata target for the entire name space. Without the ability
to distribute metadata load over multiple targets, Lustre file system
performance is limited. Lustre was enhanced with DNE functionality in
two development phases. After completing the first phase of development
in Lustre software version 2.4, <emphasis>Remote Directories</emphasis>
- allowed the metadata for sub-directories to be serviced by an
+ allows the metadata for sub-directories to be serviced by an
independent MDT(s). After completing the second phase of development in
Lustre software version 2.8, <emphasis>Striped Directories</emphasis>
- allowed files in a single directory to be serviced by multiple MDTs.
+ allows files in a single directory to be serviced by multiple MDTs.
</para>
</glossdef>
</glossentry>
<glossentry xml:id="remotedirectories" condition='l24'>
<glossterm>Remote directory</glossterm>
<glossdef>
- <para>A remote directory describes a feature of
+ <para>A remote directory describes a feature of
Lustre where metadata for files in a given directory may be
stored on a different MDT than the metadata for the parent
directory. Remote directories only became possible with the
<glossentry xml:id="stripeddirectory" condition='l28'>
<glossterm>Striped Directory</glossterm>
<glossdef>
- <para>A striped directory is a feature of Lustre
+ <para>A striped directory is a feature of Lustre
software where metadata for files in a given directory are
distributed evenly over multiple MDTs. Striped directories
are only available in Lustre software version 2.8 or later.