> IBM actually uses RELEASE_IP and TAKENODE (instead of TAKE_IP). Don't > know the reason for takenode event, but it doesn't sound right to me in all > cases.
Oh, how does failback work then? Maybe it all works out ok because the clients will reclaim on the appropriate node. > Soumya reported an issue with the recovery directory having nodeid rather > than ip based. Any progress there? Hmm, ok, that's a problem then... Should be easy to fix. Frank > Frank Filz [[email protected]] wrote: > > > We've previously used node-based recovery, which is basically what's > > > implemented right now in Ganesha. However, for a number of reasons > > > we need an IP-based recovery solution. Malahal told me that Redhat > > > wants an IP-based solution as well. Soumya (or anyone else), have > > > you been working on this? Do you have anything to show yet? > > > > I thought the recovery was IP based already... > > > > There are basically three scenarios of interest: > > > > 1. Node goes down and IPs are moved to other nodes 2. Interface on > > Node goes down and IP is moved to another node 3. Actually there's > > just two scenarios, because failback when a node or interface comes > > back online is just scenario 2... > > > > This means there are three main actions to manage the transfer of state: > > > > 1. RELEASE_IP, if an interface goes down, the node that is losing that > > IP needs to release state associated with that IP > > > > 2. TAKE_IP, whichever node is acquiring an IP address (whether from a > > failed node, failed interface, or failback) must notify v3 clients and > > then accept reclaims from the appropriate v3 and v4 cleints. > > > > 3. Somewhere in there all nodes need to cooperate to enforce grace > period. > > > > Frank > > > > > > --- > > This email has been checked for viruses by Avast antivirus software. > > https://www.avast.com/antivirus > > > > > > ---------------------------------------------------------------------- > > -------- Monitor Your Dynamic Infrastructure at Any Scale With > > Datadog! > > Get real-time metrics from all of your servers, apps and tools in one > > place. > > SourceForge users - Click here to start your Free Trial of Datadog now! > > http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 > > _______________________________________________ > > Nfs-ganesha-devel mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/nfs-ganesha-devel > > --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus ------------------------------------------------------------------------------ Monitor Your Dynamic Infrastructure at Any Scale With Datadog! Get real-time metrics from all of your servers, apps and tools in one place. SourceForge users - Click here to start your Free Trial of Datadog now! http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 _______________________________________________ Nfs-ganesha-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/nfs-ganesha-devel
