From nobody Fri Feb 18 21:21:43 2022 X-Original-To: freebsd-fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 5B67119D927B for ; Fri, 18 Feb 2022 21:22:02 +0000 (UTC) (envelope-from asomers@gmail.com) Received: from mail-oi1-f173.google.com (mail-oi1-f173.google.com [209.85.167.173]) (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 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4K0l553x1tz3F9x for ; Fri, 18 Feb 2022 21:22:01 +0000 (UTC) (envelope-from asomers@gmail.com) Received: by mail-oi1-f173.google.com with SMTP id j2so4463724oie.7 for ; Fri, 18 Feb 2022 13:22:01 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=NPxDnXFwWNZmkMLynVbXZaFFdeNReBydCHSTGkKfKgg=; b=vhIJl5fknNhaMyZkZVZU5GPBrgyPIzZ3tuMhe+CwdAVoxrDQR+aVD5P1QYsP3hhUBG 9szm1COD2qp45L+G4mLSSazM6CnuElF7uqAHQc5YLnkx4hQOhofgazhF6YZS+AjpYhme nMFfTGT4K7zebd5eSt4QN25N/9H96+PASxOsCXYxQsAJIfkZ47qhq0wkP6fJR7qUp0Wu 9I1BEqZOGkF3RRY61pLvfOwae4L1tUtLCR94arNd8c/jmuAu2XfpqNjsWTrgDbMLN7kW 7tb5H87n8EIGiaZLMh/9I47NZvDQn8YKQllZUMwqay/nmqY2+PqvccWHKj8z+CpsYjHT vPlA== X-Gm-Message-State: AOAM530XyN7p5JihCraSgTzwTBsR2oyAiCFv0QwVsuIWPE0BfZR96kn7 ZGfFTjjuSMbt8pWjJnlJj1o4O8uUBJAmo1uKaQ0= X-Google-Smtp-Source: ABdhPJxhBZs1U/9YCJOvhudbu6pHTK5FzIW/VL7q4NhTyQfenNL2De3RYQdgPeFCDSN641fUd4NLbrpHd5sol2jp6dM= X-Received: by 2002:a05:6808:687:b0:2d3:a8e8:e494 with SMTP id k7-20020a056808068700b002d3a8e8e494mr5972744oig.235.1645219314799; Fri, 18 Feb 2022 13:21:54 -0800 (PST) List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@freebsd.org MIME-Version: 1.0 References: <09DE987A-229B-4906-A79A-E75AFE5199E9@via.net> In-Reply-To: <09DE987A-229B-4906-A79A-E75AFE5199E9@via.net> From: Alan Somers Date: Fri, 18 Feb 2022 14:21:43 -0700 Message-ID: Subject: Re: ZFS disk question To: joe mcguckin Cc: freebsd-fs Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 4K0l553x1tz3F9x X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of asomers@gmail.com designates 209.85.167.173 as permitted sender) smtp.mailfrom=asomers@gmail.com X-Spamd-Result: default: False [-2.98 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.98)[-0.980]; FREEFALL_USER(0.00)[asomers]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17:c]; RCVD_TLS_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-fs@freebsd.org]; DMARC_NA(0.00)[freebsd.org]; NEURAL_HAM_LONG(-1.00)[-1.000]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; NEURAL_HAM_SHORT(-1.00)[-0.999]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[209.85.167.173:from]; MLMMJ_DEST(0.00)[freebsd-fs]; FORGED_SENDER(0.30)[asomers@freebsd.org,asomers@gmail.com]; RWL_MAILSPIKE_POSSIBLE(0.00)[209.85.167.173: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)[asomers@freebsd.org,asomers@gmail.com]; FREEMAIL_ENVFROM(0.00)[gmail.com]; RCVD_COUNT_TWO(0.00)[2] X-ThisMailContainsUnwantedMimeParts: N You can't switch them to 4kn, but you don't need to. ZFS works just fine with 512e disks. It will always respect the 4k physical sectors. On Fri, Feb 18, 2022 at 2:07 PM joe mcguckin wrote: > > Looking around for drives, the most common are the 512e drives. Can these= drives (Specifically the Toshiba and Seagate Exos) drives operate in 4Kn m= ode also? I notice the manufacturers offer a seperate p/n for 512e mode and= 4Kn mode drives. Do they need to be reformatted? > > Thanks, > > Joe > > > Joe McGuckin > ViaNet Communications > > joe@via.net > 650-207-0372 cell > 650-213-1302 office > 650-969-2124 fax > > >