From owner-freebsd-current@freebsd.org Mon Sep 7 00:08:37 2020 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 3944D3E3B1C for ; Mon, 7 Sep 2020 00:08:37 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: from mail-il1-f180.google.com (mail-il1-f180.google.com [209.85.166.180]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Bl7sw3Jpxz4fF4; Mon, 7 Sep 2020 00:08:36 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: by mail-il1-f180.google.com with SMTP id u20so2200173ilk.6; Sun, 06 Sep 2020 17:08:36 -0700 (PDT) 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=JBi2sCcpqjrw87phUanq9vede71nwW3la1+QDj1c4OE=; b=DKDnI37NsXWjME8n8e0i9c65JElrhprVtHJYi6d8iCPE3neR4XxJX7RbXZHCjK8Fhb WQz9c+x9i1gB8VNUE0/vRYIfZfjLGnBI19N/gMcgW8ulQfExgwcUAyCmoyLZ6AAu9o/W 9o9b3fVK2ZvU6WoLFGZD8IRdsaRZ46AmksWoBD5H2/MUEsiS3LNHDPSJGtZWQzzKdpl3 WDTPJyOZCgmPmNvSM1EU0L6g0pHq60VTtP1D0ADWd8uznKNna5MGni+HJnybRmP9LKNQ GHsYIrHXKEAx19rC42JRlAGN+yrBmy1qDZ/MFe1utxoVShD2SjLzCPiElIiSmes6DgA/ Tbvg== X-Gm-Message-State: AOAM532+q34uCB/Vmnqc7usCuXon7oGojCy0Xed29M5DZ13yHfdNOJai tq2pmF1tTduUEtmWMcFH+cCLcmFG0ri8TAqtUDj46VAIfys= X-Google-Smtp-Source: ABdhPJzn1q+/9PQUaOWUuF0cTzijXWWAY1Eo3wyUAk9z0jL1MNgAWQvVF7vGDoklp0xOIsrHdHbmoMofHxQ/Ilrf4ng= X-Received: by 2002:a92:9a0b:: with SMTP id t11mr16091531ili.98.1599437313631; Sun, 06 Sep 2020 17:08:33 -0700 (PDT) MIME-Version: 1.0 References: <9592fb23-ef97-f0a2-5968-f10ae404e761@gmail.com> In-Reply-To: From: Ed Maste Date: Sun, 6 Sep 2020 20:08:21 -0400 Message-ID: Subject: Re: vfs.zfs.min_auto_ashift and OpenZFS To: Matthew Macy Cc: Graham Perrin , freebsd-current Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 4Bl7sw3Jpxz4fF4 X-Spamd-Bar: -- X-Spamd-Result: default: False [-2.59 / 15.00]; ARC_NA(0.00)[]; MAILMAN_DEST(0.00)[freebsd-current]; RCVD_COUNT_TWO(0.00)[2]; FREEFALL_USER(0.00)[carpeddiem]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17:c]; RCVD_TLS_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[freebsd.org]; NEURAL_HAM_LONG(-0.98)[-0.980]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; NEURAL_HAM_SHORT(-0.61)[-0.606]; RCVD_IN_DNSWL_NONE(0.00)[209.85.166.180:from]; NEURAL_HAM_MEDIUM(-1.01)[-1.009]; FORGED_SENDER(0.30)[emaste@freebsd.org,carpeddiem@gmail.com]; RWL_MAILSPIKE_POSSIBLE(0.00)[209.85.166.180:from]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; FROM_NEQ_ENVFROM(0.00)[emaste@freebsd.org,carpeddiem@gmail.com]; FREEMAIL_ENVFROM(0.00)[gmail.com]; FREEMAIL_CC(0.00)[gmail.com,freebsd.org] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.33 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, 07 Sep 2020 00:08:37 -0000 On Fri, 1 May 2020 at 20:20, Matthew Macy wrote: > > OpenZFS doesn't have the same ashift optimization logic that FreeBSD > has. It's something that needs to be resolved before the code can be > integrated downstream. Note that our installer tries to set the min_auto_ashift when ZFS is selected - I've submitted PR 249157 to track that.