From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jacques-Charles Lafoucriere Date: Fri, 11 Jul 2008 16:32:48 +0200 Subject: [Lustre-devel] How store HSM metadata in MDT ? In-Reply-To: References: Message-ID: <48776F10.60008@cea.fr> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lustre-devel@lists.lustre.org Peter Braam wrote: >>> 3. how are multiple coordinators and agents utilized to distribute load so >>> that the HSM can keep up with massive small file creation? >>> >> One coordinator per MDT. >> > > No - these must be independent considerations. A coordinator may be much > slower than an MDS node in handling a single file. I say this because this > has been the experience in the industry so far - with small files the HSM > can not at all keep up. > Why a coordinator should be on a slower node than a MDS ? Coordinator is a Lustre service like other Lustre services so it will be on a right hardware Do you mean a coordinator is not part of the Lustre cluster ? JC -------------- next part -------------- An HTML attachment was scrubbed... URL: