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, UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 4767 invoked from network); 2 Mar 2023 01:46:47 -0000 Received: from minnie.tuhs.org (2600:3c01:e000:146::1) by inbox.vuxu.org with ESMTPUTF8; 2 Mar 2023 01:46:47 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id A5909435EC; Thu, 2 Mar 2023 11:46:43 +1000 (AEST) Received: from lechuck.jsg.id.au (jsg.id.au [193.114.144.202]) by minnie.tuhs.org (Postfix) with ESMTPS id 0B66C435EB for ; Thu, 2 Mar 2023 11:46:38 +1000 (AEST) Received: from largo.jsg.id.au (largo.jsg.id.au [192.168.1.43]) by lechuck.jsg.id.au (OpenSMTPD) with ESMTPS id 738e3ede (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO); Thu, 2 Mar 2023 12:46:36 +1100 (AEDT) Received: from localhost (largo.jsg.id.au [local]) by largo.jsg.id.au (OpenSMTPD) with ESMTPA id 1f3914ca; Thu, 2 Mar 2023 12:46:36 +1100 (AEDT) Date: Thu, 2 Mar 2023 12:46:36 +1100 From: Jonathan Gray To: Dave Horsfall Message-ID: References: <20230301150905.AA4CD18C07B@mercury.lcs.mit.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Message-ID-Hash: OXPGFTCL5D4LHSYZ4G7LQRC3Z4LEX24E X-Message-ID-Hash: OXPGFTCL5D4LHSYZ4G7LQRC3Z4LEX24E X-MailFrom: jsg@jsg.id.au X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: tuhs@tuhs.org X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: Unix v7 icheck dup problem List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Thu, Mar 02, 2023 at 07:52:02AM +1100, Dave Horsfall wrote: > On Wed, 1 Mar 2023, Noel Chiappa wrote: > > > > I am having a problem clearing a dup inode. > > > > V6 had almost no tools for automagically fixing file system corruption. > > To do it, you need to i) understand how the FS works (see: > > I could've sworn that I wrote a paper for AUUGN on that very thing, but > I'm damned if I can find it... Anyone here remember it? It explained > exactly how to use icheck/dcheck/ncheck/clri on a creamed file system (and > no, I no longer have the document). > > -- Dave "A Proposal for a Simple Bad Block Utility" page 8 of https://www.tuhs.org/Archive/Documentation/AUUGN/AUUGN-V03.5.pdf