From owner-freebsd-questions@FreeBSD.ORG Wed Mar 4 16:40:19 2015 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 7F4E3C8A for ; Wed, 4 Mar 2015 16:40:19 +0000 (UTC) Received: from smarthost1.sentex.ca (smarthost1.sentex.ca [IPv6:2607:f3e0:0:1::12]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "smarthost.sentex.ca", Issuer "smarthost.sentex.ca" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4798DDBD for ; Wed, 4 Mar 2015 16:40:19 +0000 (UTC) Received: from [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a] (saphire3.sentex.ca [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a]) by smarthost1.sentex.ca (8.14.9/8.14.9) with ESMTP id t24GeEER084331; Wed, 4 Mar 2015 11:40:15 -0500 (EST) (envelope-from mike@sentex.net) Message-ID: <54F73562.5000302@sentex.net> Date: Wed, 04 Mar 2015 11:40:02 -0500 From: Mike Tancsa Organization: Sentex Communications User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: CyberLeo Kitsana , freebsd-questions Subject: Re: nfs mounted /tmp vs disk mounted /tmp References: <54F62D81.4060407@sentex.net> <54F72701.3030704@cyberleo.net> In-Reply-To: <54F72701.3030704@cyberleo.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.75 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Mar 2015 16:40:19 -0000 On 3/4/2015 10:38 AM, CyberLeo Kitsana wrote: > On 03/03/2015 03:54 PM, Mike Tancsa wrote: >> >> While trying to test in the lab a migration of disks from an old pci-x >> arcmrs array to a pcie card, I ran into an odd problem with the cli and >> raid management daemon. I would start up the programs and they would >> immediately exit >> >> Looking at the truss output, it seemed to bork soon after it tried to >> create a file in /tmp. Testing all the same hardware, but then booting >> from a disk, it worked. Back to netboot, but this time with /tmp >> mounted via tmpfs, it also worked. So it seems there is something about >> having tmp mounted via nfs that causes the program to die. The issue >> seems to be the setting of locks. I am curious, is this something that >> can be worked around in nfs, or due to the nature of nfs, this is not >> possible ? I think I saw this same issue with virtual box in a netboot >> environment >> (https://lists.freebsd.org/pipermail/freebsd-emulation/2014-July/011693.html) > >> fcntl(4,F_SETLKW,0x7ffffffcde10) ERR#45 'Operation not >> supported' > > The fcntl(2) manpage says that F_SETLKW is for advisory locking. Does > your NFS infrastructure support advisory locks? Is lockd(8) running? > Thanks! Having lockd / statd running did indeed fix the problem for the areca client as well as VirtualBox! ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/