Return-Path: linux-nfs-owner@vger.kernel.org Received: from mail-ie0-f172.google.com ([209.85.223.172]:50749 "EHLO mail-ie0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751645AbaCFS07 convert rfc822-to-8bit (ORCPT ); Thu, 6 Mar 2014 13:26:59 -0500 Received: by mail-ie0-f172.google.com with SMTP id as1so3178810iec.17 for ; Thu, 06 Mar 2014 10:26:59 -0800 (PST) Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Mac OS X Mail 7.2 \(1874\)) Subject: Re: Optimal NFS mount options to safely allow interrupts and timeouts on newer kernels From: Trond Myklebust In-Reply-To: <20140306173632.GA18545@umich.edu> Date: Thu, 6 Mar 2014 13:26:56 -0500 Cc: Andrew Martin , bhawley@luminex.com, Brown Neil , linux-nfs-owner@vger.kernel.org, linux-nfs@vger.kernel.org Message-Id: References: <1696396609.119284.1394040541217.JavaMail.zimbra@xes-inc.com> <260588931.122771.1394041524167.JavaMail.zimbra@xes-inc.com> <20140306145042.6db53f60@notabene.brown> <1853694865.210849.1394082223818.JavaMail.zimbra@xes-inc.com> <20140306163721.0edfb498@notabene.brown> <1709792528-1394084840-cardhu_decombobulator_blackberry.rim.net-1367662481-@b5.c4.bise6.blackberry> <764210708.28409.1394119821635.JavaMail.zimbra@xes-inc.com> <20140306162208.GA18207@umich.edu> <1094203678.52139.1394124222574.JavaMail.zimbra@xes-inc.com> <20140306173632.GA18545@umich.edu> To: Jim Rees Sender: linux-nfs-owner@vger.kernel.org List-ID: On Mar 6, 2014, at 12:36, Jim Rees wrote: > Why would a bunch of blocked apaches cause high load and reboot? Good question. Are the TCP reconnect attempts perhaps eating up all the reserved ports and leaving them in the TIME_WAIT state? ?netstat -tn? should list all the ports currently in use by TCP connections. _________________________________ Trond Myklebust Linux NFS client maintainer, PrimaryData trond.myklebust@primarydata.com