From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id C55EB158164 for ; Sun, 17 Nov 2024 23:04:45 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id BA597E0D1D; Sun, 17 Nov 2024 23:04:38 +0000 (UTC) Received: from mail-qt1-f181.google.com (mail-qt1-f181.google.com [209.85.160.181]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 5F940E0C4E for ; Sun, 17 Nov 2024 23:04:38 +0000 (UTC) Received: by mail-qt1-f181.google.com with SMTP id d75a77b69052e-4609b968452so26013511cf.3 for ; Sun, 17 Nov 2024 15:04:38 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731884677; x=1732489477; h=content-transfer-encoding:content-disposition:message-id :in-reply-to:mime-version:to:subject:from:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Yb3OdYuyF5qm8AWvgs66FXkCGj0MnQfu31vFZUs4IsA=; b=YOZRKLcsOnTFbw4njqV9Enj1O17e96W/WuZcGAgHojuaYh6LIGDt0mUQv1H6wKVoVd xPy97ZaMT7SSmutZlBwW9Amj2+Kjm8GKSAyjf791intA+/8FnidPDIHQAXznlKla/1ZK /bsmRzYpGSUshUabM82Ze+psn7tV3BKR7EtQhyuxOJBmA4ebdCwr7WONvYhNIZbzC9A/ kf3IvLj8Uiyy8YE5eSNnosc5BNOegJdFUoIcZbnhJpiqwkz59nF+WeychbI0/dxX/Sxg BsyFPYOxZEuHTPJpSxntfc+DSDdGWqWUSoOfMWS+ecqcIuR/htD3XPyPevLjxmEB20y1 I9TQ== X-Gm-Message-State: AOJu0YySE4Ka5LTwUam2tLI1PkOOtP2Y7eQD5kuQCWRteJ4UccH1kbhQ IM0DbqZxef5Xe62AtQajvKkkWmNHhma1nKnxAwtQ/5/jUqefZtQ1orsM/8G7NqUvuWYbaD140ty T X-Google-Smtp-Source: AGHT+IGHMrPvemTUICD04EwKgYFkvYn9gP00l+1EhjDn6C9K2moXjeg1z7+eXLpXjq1Y6EZberDNNw== X-Received: by 2002:a05:622a:1a0e:b0:462:a7d1:8e19 with SMTP id d75a77b69052e-46363e109a1mr141802831cf.13.1731884677587; Sun, 17 Nov 2024 15:04:37 -0800 (PST) Received: from ffortso9 (32-216-196-135.bng01.wlmn.ct.frontiernet.net. [32.216.196.135]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4635aa156f7sm49324511cf.42.2024.11.17.15.04.35 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 Nov 2024 15:04:36 -0800 (PST) Date: Sun, 17 Nov 2024 18:04:34 -0500 From: Jack Subject: Re: [gentoo-user] Seagate hard drives with dual actuators. To: gentoo-user@lists.gentoo.org Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 In-Reply-To: X-Mailer: Balsa 2.6.4-238-gb8ad7d4f7 Message-Id: Content-Type: text/plain; charset=UTF-8; DelSp=Yes; Format=Flowed Content-Disposition: inline Content-Transfer-Encoding: quoted-printable X-Archives-Salt: 2b3a0423-be50-4a36-b08d-e2ff831d1a2b X-Archives-Hash: c6746565c5094b9b3c9e67a677525cde On 2024.11.17 16:26, Rich Freeman wrote: > On Sun, Nov 17, 2024 at 6:22=E2=80=AFAM Michael =20 > wrote: > > On Saturday 16 November 2024 20:13:30 GMT Rich Freeman wrote: [snip ....] > > It would be interesting to see how different fs types perform on =20 > DM-SMRs. >=20 > Not that interesting, for me personally. That's like asking how well =20 > different filesystems would perform on tape. If I'm storing data on =20 > tape, I'll use an algorithm designed to work on tape, and a tape =20 > drive that actually has a command set that doesn't try to pretend =20 > that it is useful for random writes. What about DEC-Tape? :-) (https://en.wikipedia.org/wiki/DECtape) (I =20 may even have a few left in a closet somewhere, if only I could find =20 someone to read them.) > SMR is pretty analogous to tape, with the benefit of being as fast as =20 > CMR for random reads. [snip ....]