From owner-freebsd-fs@freebsd.org Fri May 14 01:18:29 2021 Return-Path: Delivered-To: freebsd-fs@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 5251A634E11 for ; Fri, 14 May 2021 01:18:29 +0000 (UTC) (envelope-from asomers@gmail.com) Received: from mail-oi1-f175.google.com (mail-oi1-f175.google.com [209.85.167.175]) (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 4Fh9dc4cpJz4Z0H for ; Fri, 14 May 2021 01:18:28 +0000 (UTC) (envelope-from asomers@gmail.com) Received: by mail-oi1-f175.google.com with SMTP id w22so13205836oiw.9 for ; Thu, 13 May 2021 18:18:28 -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=GGdl6P9lzIQJaTtVVy0T29sm9Ruab6OeurF7nA2+IEs=; b=FAo2mkxoDUJIWEPHvsdAcgJyawAeI8mbamI0VBn0RWH+ozhies2AdVhb7GFgcbECJr yMzBATz/fkAWHxyKqRd0NZle6Qfp09p8M2cdZntY9SnT5/4h0TarDn79RU4Sb5W0f6S8 xF9pS932x3wpD5HJ9gLbeIjjFqLgKwoPnAOs/MxfpFZCUXyj44LfGNPYMmH2qXVGTxG3 HTpwC20s3bsYcPZjNzzrOdASyMw4IOxp39gmNTApeYBaFSJlYG0AK2a3dW3w7vCSS+jI u4tRtTlHoiFAbipi7THEqS2QU5DY4Vtz334ZMfHgMg1IWmfmkCPALnxtk9gPC+iIyBkv v4NA== X-Gm-Message-State: AOAM5327chhgCIPHjaubHWSINUN9hbMn3X1wWEh0AqbwguM2HKskzofh ljUOCWdllilESRoltjHlFUw8Hz+8Qtx9RkLIG6l9E5SIPSs= X-Google-Smtp-Source: ABdhPJx0NqVq1OMjlhHMs/VV568XbN0Fc4Y1WSKzWCj9+2ps1p2ukbgD3C68hkdrtT+7Xq4r9kv08db6FJRYhjL8QF4= X-Received: by 2002:a05:6808:14c8:: with SMTP id f8mr5074387oiw.55.1620955107534; Thu, 13 May 2021 18:18:27 -0700 (PDT) MIME-Version: 1.0 References: <3B80A623-7497-429E-A894-B9A39E5FD50E@via.net> In-Reply-To: <3B80A623-7497-429E-A894-B9A39E5FD50E@via.net> From: Alan Somers Date: Thu, 13 May 2021 19:18:16 -0600 Message-ID: Subject: Re: 512e/4kn drive formatting To: joe mcguckin Cc: freebsd-fs X-Rspamd-Queue-Id: 4Fh9dc4cpJz4Z0H X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of asomers@gmail.com designates 209.85.167.175 as permitted sender) smtp.mailfrom=asomers@gmail.com X-Spamd-Result: default: False [-3.00 / 15.00]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17]; TO_DN_ALL(0.00)[]; NEURAL_HAM_SHORT(-1.00)[-1.000]; RCPT_COUNT_TWO(0.00)[2]; FORGED_SENDER(0.30)[asomers@freebsd.org,asomers@gmail.com]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RBL_DBL_DONT_QUERY_IPS(0.00)[209.85.167.175:from]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; FROM_NEQ_ENVFROM(0.00)[asomers@freebsd.org,asomers@gmail.com]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FREEFALL_USER(0.00)[asomers]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; R_DKIM_NA(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-fs@freebsd.org]; DMARC_NA(0.00)[freebsd.org]; SPAMHAUS_ZRD(0.00)[209.85.167.175:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[209.85.167.175:from]; RWL_MAILSPIKE_POSSIBLE(0.00)[209.85.167.175:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-fs] Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 May 2021 01:18:29 -0000 Nope. But why would you need to? Most file systems understand physical block size and will do the right thing. You can even force ZFS to treat all disks as having 4k sectors by setting vfs.zfs.min_auto_ashift=3D12. -Alan On Thu, May 13, 2021 at 5:53 PM joe mcguckin wrote: > I notice most drive vendors supply 512e and 4Kn format drives. Is it > possible to buy a 512e drive and use is as a 4kn drive > or possibly reformat to 4kn? I=E2=80=99m specifically looking at the Se= agate > Exos drives... > > Thanks, > > Joe > > Joe McGuckin > ViaNet Communications > > joe@via.net > 650-207-0372 cell > 650-213-1302 office > 650-969-2124 fax > > > > _______________________________________________ > freebsd-fs@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >