From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 25194 invoked from network); 13 Dec 2022 18:02:32 -0000 Received: from minnie.tuhs.org (50.116.15.146) by inbox.vuxu.org with ESMTPUTF8; 13 Dec 2022 18:02:32 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 02D894242E; Wed, 14 Dec 2022 04:02:27 +1000 (AEST) Received: from mercury.lcs.mit.edu (mercury.lcs.mit.edu [18.26.0.122]) by minnie.tuhs.org (Postfix) with ESMTPS id 8B4B742427 for ; Wed, 14 Dec 2022 04:02:23 +1000 (AEST) Received: by mercury.lcs.mit.edu (Postfix, from userid 11178) id E351818C09A; Tue, 13 Dec 2022 13:02:22 -0500 (EST) To: tuhs@tuhs.org Message-Id: <20221213180222.E351818C09A@mercury.lcs.mit.edu> Date: Tue, 13 Dec 2022 13:02:22 -0500 (EST) From: jnc@mercury.lcs.mit.edu (Noel Chiappa) Message-ID-Hash: J25T7Y2QXYLIKF4UU47SMZWWLLL26PAI X-Message-ID-Hash: J25T7Y2QXYLIKF4UU47SMZWWLLL26PAI X-MailFrom: jnc@mercury.lcs.mit.edu X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-tuhs.tuhs.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: jnc@mercury.lcs.mit.edu X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: Clever code List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: > From: Bakul Shah > one dealt with it by formatting the disk so that the logical blocks N & > N+1 (from the OS PoV) were physically more than 1 sector apart. No > clever coding needed! An old hack. ('Nothing new', and all that.) DEC Rx01/02 floppies used the same thing, circa 1976. Noel