[Lustre-devel] storing SOM epoch in EA

Ricardo M. Correia Ricardo.M.Correia at Sun.COM
Tue Feb 19 07:23:11 PST 2008

On Ter, 2008-02-19 at 20:41 +0530, Kalpak Shah wrote:

> The epoch will need to be stored in an external block or
> FatZap (depending on implementation of in-dnode EAs) only in-case the
> file is striped across more than 10-15 OSTs.

That may not be true.
For example, with Matthew's proposed design, we could put the epoch as a
system attribute with "higher priority" (lower index) than LOV data,
which means it would always fit in the dnode even if we have lots of



Ricardo Manuel Correia
Lustre Engineering

Sun Microsystems, Inc.
Phone +351.214134023 / x58723
Mobile +351.912590825
Email Ricardo.M.Correia at Sun.COM
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.lustre.org/pipermail/lustre-devel-lustre.org/attachments/20080219/81be0367/attachment.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 6g_top.gif
Type: image/gif
Size: 1257 bytes
Desc: not available
URL: <http://lists.lustre.org/pipermail/lustre-devel-lustre.org/attachments/20080219/81be0367/attachment.gif>

More information about the lustre-devel mailing list