From owner-freebsd-current@freebsd.org Thu Dec 20 17:33:05 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 59617134DFC8 for ; Thu, 20 Dec 2018 17:33:05 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-qk1-x734.google.com (mail-qk1-x734.google.com [IPv6:2607:f8b0:4864:20::734]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 618638A53C for ; Thu, 20 Dec 2018 17:33:04 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-qk1-x734.google.com with SMTP id r71so1455596qkr.10 for ; Thu, 20 Dec 2018 09:33:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=fdLQinfKSdDl0dO1eawoSHXN+APGk5nRCkgu6oZ/3Lw=; b=GJYPs4+E3uZoMJ3KToT4vAfSAukXNV/7UUnpPceZ65XYWqYYn645cTFe6ZfnXoEROS ikL86MJlgDh/UmwDmJqItZEVG7C+uPDjQTKQFORGZgfpXCAoi1J0+49/fwDZfcGLDNE1 Mw9Ji/rTILeLLHL6/NLovcXKSOCquQ+JOxWl8CtPaBEtwuTZSJTKQY6H+gO0fS/pL47V 2bX0FvG5JlK5SSWRyHhN+LXZHcm/9BDxlrMQKSKNmK/JAMmLKPInX/DZvrlR6r1Wlspk PBxyfwjO+GmF66muH9DqFZhJjj7ZHdD0c4P1IDg0bc+/z3err+Y/eAT8LchASGyCARuO DYwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=fdLQinfKSdDl0dO1eawoSHXN+APGk5nRCkgu6oZ/3Lw=; b=chTiQi7Up6jJZsxS9oY7dxIG4cuPR4JzmpCHfnk0dZC3YTGbNn5SuDjxhekb3QT6Wn fEoPYPsYGe0ltQ6orUqG+pDi843X8lM+bm6Si5G4SC7LZA3L/I9sLJG031OjcaVvNacY umdFYCMvxkhwFvG/N0ie5mZuEUdmzKKbw/2rrEhDnmTdJoncEZ/Pq/LZLgbV/DW2Luk5 Zti5wpksPBPjTsycaFBvLElLoKUr8O18UsbI/wnQTH+inKdZtIaf+Zdd3qfProQmMaqm UlFM0wj5Gbl1CAgfzS8qgPw6gm1ZhhVx48vND2677PNhOBruNV72V4wq0qaBL2lIhwwg 22kg== X-Gm-Message-State: AA+aEWYpeOVawo/lSAakFV26SQN4tZe6G9n19sOIv+bnPkCymHyULvHH 2z9zAkyt146I9lzRGx3g5U+H4JRzs9/DWYGdPOKjXQ== X-Google-Smtp-Source: AFSGD/W4U/MVTuvRUh6HwJWMwJ3gk455a6nC1OzIGJetLH1qPhDG4KNiILTouM3HqiWBsxQnKSZp9H4+WLOxuMnnSrk= X-Received: by 2002:a37:6e86:: with SMTP id j128mr26410675qkc.46.1545327183717; Thu, 20 Dec 2018 09:33:03 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Warner Losh Date: Thu, 20 Dec 2018 10:32:52 -0700 Message-ID: Subject: Re: The future of ZFS in FreeBSD To: Matthew Macy Cc: freebsd-fs , freebsd-current X-Rspamd-Queue-Id: 618638A53C X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=bsdimp-com.20150623.gappssmtp.com header.s=20150623 header.b=GJYPs4+E X-Spamd-Result: default: False [-5.38 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[bsdimp-com.20150623.gappssmtp.com:s=20150623]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; DMARC_NA(0.00)[bsdimp.com]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[bsdimp-com.20150623.gappssmtp.com:+]; MX_GOOD(-0.01)[cached: ALT1.aspmx.l.google.com]; RCVD_IN_DNSWL_NONE(0.00)[4.3.7.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; NEURAL_HAM_SHORT(-0.95)[-0.947,0]; R_SPF_NA(0.00)[]; FORGED_SENDER(0.30)[imp@bsdimp.com,wlosh@bsdimp.com]; MIME_TRACE(0.00)[0:+,1:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; FROM_NEQ_ENVFROM(0.00)[imp@bsdimp.com,wlosh@bsdimp.com]; IP_SCORE(-2.42)[ip: (-8.81), ipnet: 2607:f8b0::/32(-1.78), asn: 15169(-1.41), country: US(-0.08)]; RCVD_COUNT_TWO(0.00)[2] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 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: Thu, 20 Dec 2018 17:33:05 -0000 Matt, This is a fairly comprehensive plan. Kudos for putting it together. The big question here is do you have a complete list of FreeBSD-specific changes that will be lost in the cut-over? We've heard about TRIM support and maybe NFSv4, but are there others that can be identified? Once you have that list, it wouldn't be hard to throw the initial email with some tweaks from the replies into a FCP so everybody knows the plan, and we have it ratified in case people come along later and 'forget'. Warner