From owner-freebsd-current@freebsd.org Mon Dec 11 12:37:13 2017 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id CA21DE90B3B for ; Mon, 11 Dec 2017 12:37:13 +0000 (UTC) (envelope-from stefan.wendler@tngtech.com) Received: from proxy.tng.vnc.biz (zimbra-vnc.tngtech.com [83.144.240.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 88A6563429 for ; Mon, 11 Dec 2017 12:37:12 +0000 (UTC) (envelope-from stefan.wendler@tngtech.com) Received: from proxy.tng.vnc.biz (localhost [127.0.0.1]) by proxy.tng.vnc.biz (Postfix) with ESMTPS id 12FAF1E2118; Mon, 11 Dec 2017 13:37:05 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by proxy.tng.vnc.biz (Postfix) with ESMTP id EA34C1E21CD; Mon, 11 Dec 2017 13:37:04 +0100 (CET) Received: from proxy.tng.vnc.biz ([127.0.0.1]) by localhost (proxy.tng.vnc.biz [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id G3g1j5Qel3PG; Mon, 11 Dec 2017 13:37:04 +0100 (CET) Received: from [10.1.2.115] (fire.tngtech.com [212.204.93.100]) by proxy.tng.vnc.biz (Postfix) with ESMTPSA id C2B031E2118; Mon, 11 Dec 2017 13:37:04 +0100 (CET) Subject: Re: NFSv4.2 To: Rick Macklem , freebsd-current References: <880022c0-75f5-161b-1ca3-1d934ba598e9@tngtech.com> From: Stefan Wendler Message-ID: Date: Mon, 11 Dec 2017 13:37:09 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Dec 2017 12:37:13 -0000 On 12/11/2017 13:15, Rick Macklem wrote: > Stefan Wendler wrote: >> I was wondering when and if FreeBSD will support NFSv4.2 >> Is there anything planned yet? > Someday, but no specific plans at this point. >=20 > Is there some specific feature in NFSv4.2 that you are looking for? > I ask because there isn't a lot of new features in NFSv4.2 that aren't > in NFSv4.1. As such, I didn't see much reason to worry about it. > (I think there are some high end server features like server->server > file copy, which would only be worth having in the client if you had > high end NFS servers that supported this stuff.) >=20 > NFSv4.1 was a big change from NFSv4.0, but most of the NFSv4.1->NFSv4.2 > changes are minor. One of the biggest is a way to incrementally add fea= tures > without creating a new (NFSv4.3 or ??) version of the protocol. Probabl= y a > good idea, but only useful when incremental features are being implemen= ted. >=20 We would like to use the file copy and the sparse features of 4.2 in our Setup. Do you know if any of the two has been implemented yet? The sparse feature would be more important than the file copy feature though. Cheers, Stefan