From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Peter C. Norton" Subject: Re: [RFC] rpc_ping and looong timeouts Date: Mon, 7 Jun 2004 20:17:07 -0700 Sender: autofs-bounces@linux.kernel.org Message-ID: <20040608031707.GE11008@lenin.net> References: <16575.35426.918728.134817@segfault.boston.redhat.com> <16576.51269.311121.121046@segfault.boston.redhat.com> <40C4B3FF.3060005@sedona.intel.com> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: autofs-bounces@linux.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: autofs@linux.kernel.org On Tue, Jun 08, 2004 at 08:56:34AM +0800, Ian Kent wrote: > On Mon, 7 Jun 2004, Michael Blandford wrote: > > > Jeff Moyer wrote: > > > > >This patch simply implements an icmp ping (code shamelessly stolen from > > >clumanager), and does this before even attempting to do the rpc pings. If > > >the icmp ping works, then we continue as usual. This takes care of the > > >host down case quite nicely: > > > > > > > > > > > > > Would this patch cause problems for those of us who have icmp blocked? > > If so, could we make it a run time option to enable/disable? > > > > So you have ICMP blocked but allow NFS? Its possible that some sites will have killed ping and pong because of various viruses in the past, but allow everything else. -Peter -- The 5 year plan: In five years we'll make up another plan. Or just re-use this one.