From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Evans Date: Mon, 21 Sep 2015 14:31:30 +0000 Subject: [lustre-devel] adding IOCTL for ping In-Reply-To: References: Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lustre-devel@lists.lustre.org Nope, looks like I was missing something, I wasn?t terribly familiar with pingless clients and the external health networks. Reading up on those now. -Ben On 9/21/15, 5:41 AM, "Dilger, Andreas" wrote: >Maybe I'm missing something here, but why not disable pinging altogether >at this point and depend on the external health network? That is already >possible today via https://jira.hpdd.intel.com/browse/LU-2467. > >Cheers, Andreas > >On Sep 15, 2015, at 17:05, Ben Evans >> wrote: > >Would there be any interest in adding an IOCTL to update the ping >time/status for a particular NID? > >This should allow for implementation of a pinger in userspace which >updates the kernel on the status of various NIDs, and if I understand the >ping code well enough, would greatly curtail any pings that is sent by >the kernel. > >This might allow for things like Eric?s gossip implementation to simply >bolt on top of Lustre without any internal kernel changes, or for >integration of external monitoring systems to tell Lustre that failovers >have occurred, etc. > >-Ben Evans >_______________________________________________ >lustre-devel mailing list >lustre-devel at lists.lustre.org >http://lists.lustre.org/listinfo.cgi/lustre-devel-lustre.org