From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Zhuravlev Date: Mon, 11 Jan 2010 19:44:38 +0300 Subject: [Lustre-devel] SOM questions In-Reply-To: <4B4B4801.7070509@sun.com> References: <078f01ca8e31$22ff9f80$68fede80$@com> <05A3FFE9-1549-4B97-A9C3-4B82113E56AE@Sun.COM> <4B4B4801.7070509@sun.com> Message-ID: <4B4B5576.2090405@sun.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lustre-devel@lists.lustre.org On 1/11/10 6:47 PM, Alex Zhuravlev wrote: > it looks quite simple and with very minimal changes to existing protocol > logic. I also think that following this we don't need dedicated IO epoch > notion and can use regular VBR version increasing on each open. sorry, I forgot to add that all this essentially means no SOM-specific in-core state on MDS at all and no need to maintain in-core state over reboots. thanks, Alex