From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick Farrell Date: Fri, 16 Nov 2018 18:06:41 +0000 Subject: [lustre-devel] Compact layouts Message-ID: <3600968B-94D3-4C3F-857A-D00A5C3BC601@cray.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lustre-devel@lists.lustre.org All, There is an old idea for reducing the data required to describe file striping by using a bitmap to record which OSTs are in use. As best I can tell, this was most recently described here: http://wiki.lustre.org/Layout_Enhancement_Solution_Architecture#Compact_Layouts_2 I?m curious if this has been pursued any further, if there?s a JIRA or other place that might have more info or be tracking the idea. I poked around and didn?t find anything. In particular, this comment: ?with enough data that for each OST index set in the bitmap, a corresponding OST object FID may be computed? Points at the difficult part of implementing this. So, before I get too far considering this problem - Is there more out there somewhere? Hoping to avoid duplicating work! Thanks, * Patrick -------------- next part -------------- An HTML attachment was scrubbed... URL: