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=-0.8 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,HTML_MESSAGE,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 25399 invoked from network); 4 Mar 2021 21:49:09 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 4 Mar 2021 21:49:09 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id BACE89CA79; Fri, 5 Mar 2021 07:49:00 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 35B899CA6A; Fri, 5 Mar 2021 07:48:50 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="cew4ARM1"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 4446E9CA6A; Fri, 5 Mar 2021 07:48:49 +1000 (AEST) Received: from mail-yb1-f175.google.com (mail-yb1-f175.google.com [209.85.219.175]) by minnie.tuhs.org (Postfix) with ESMTPS id ABF3B9CA68 for ; Fri, 5 Mar 2021 07:48:48 +1000 (AEST) Received: by mail-yb1-f175.google.com with SMTP id f4so30161037ybk.11 for ; Thu, 04 Mar 2021 13:48:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=s6LfaQyXHza26p1hODYbUKKYlqQyao6iF0jLvyf5NJM=; b=cew4ARM1x6Jkg7bx0wlZlNpGC+WFKM6Fpp29Sa3RWarxV2mFEqLC8d+4nAOjYk9OBF eftCuTJ2I70f3qftxSrGZC9JhgO2u+lCR1C1Oy228wI7WTvlzZqctzgrfpg8yMxx8dfa j1DV2uL/nLZDg1ghoBWT0TyeZ+4CHAWtv/qRpsjADEt9rSnWhSXWJ7rVaC//yWVMFJnH q5j69r8/eutLs9vzgkm0prUPtBXE6/iYSnEDhcipEmhghK7OjJFnZ9INW/7iLejJ8FcP 92pC9K8DtAyFkRUO99F+eWABjcA1tcYFM7KiDhZLETfurp3NWdu1B452Mf/Buks9IdSm ApEQ== 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=s6LfaQyXHza26p1hODYbUKKYlqQyao6iF0jLvyf5NJM=; b=RGEVjs6uPpH0vY1IdGuoJ3CP38l59GuzkXWDP+fIBfL07CTBrnLc30cZ7GxJ024Lvn 21tsDeVaKVqTb5Omtksy1/KuOt2eMNDRaN+PQqvD6WbFzWz6ZW3/J/I4PoahiLhWOHx0 a4U5wPOxSfsWXQgl7RWdXabq+PySQANEGY1SPuFLbocBDp3hm+Sibp5hn6IRLwVfbmLL Bbo04Pm910+EWwbLOfT0+QPb3ZOCuFG2qUvGD74m2nXJ1FqO2rOByyBvkoz6QGuCUZX6 6VxkOrmW6iDNbaXqH1VkrYBEgzkeNNLznbrncOb6tHOL3mbvMTU+igHFprvQYIwgmHqr iHDw== X-Gm-Message-State: AOAM530YFReHAdQlrrMPovNPr/j0O4cTw3U6qEM1VqSO+9+za5nO8BNN W2C9hmGu2npPqz4v9dLF3WJgZZlsaVBxxKg6TwU= X-Google-Smtp-Source: ABdhPJwnl05F9wb/6ZEm1WAyPj9AKoF8rH7p5LstfJjQjicxyn5tP28T2BY0tN1iEoGZDQm69X45GwDteTSjWU0nkIU= X-Received: by 2002:a25:850e:: with SMTP id w14mr9575153ybk.259.1614894527969; Thu, 04 Mar 2021 13:48:47 -0800 (PST) MIME-Version: 1.0 References: <20210304212459.GA6303@eureka.lemis.com> <20210304212917.GB6303@eureka.lemis.com> In-Reply-To: <20210304212917.GB6303@eureka.lemis.com> From: "John P. Linderman" Date: Thu, 4 Mar 2021 16:48:36 -0500 Message-ID: To: "Greg 'groggy' Lehey" Content-Type: multipart/alternative; boundary="000000000000b07b0905bcbceec4" Subject: Re: [TUHS] tabs vs spaces - entab, detab X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: TUHS main list Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --000000000000b07b0905bcbceec4 Content-Type: text/plain; charset="UTF-8" Appropos my "laughably small" disk space comment, here's a snippet from mkfs.ext4: -m reserved-blocks-percentage Specify the percentage of the filesystem blocks reserved for the super-user. This avoids fragmentation, and allows root-owned daemons, such as syslogd(8), to continue to function correctly after non-privileged processes are prevented from writing to the filesystem. The default percentage is 5%. I have several 12 TB disks scattered about my house. 5% of 12TB is 600GB. I'm pretty confident that all the spinning (no, tapes aren't spinning) storage at all of Bell Labs in 1975 was less than the reserved space for one of my disks. FWIW, I set "-m 0" for honker disks. -- jpl --000000000000b07b0905bcbceec4 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
App= ropos=C2=A0my "laughably small" disk space comment, here's a = snippet from mkfs.ext4:

= =C2=A0 =C2=A0 =C2=A0 =C2=A0-m reserved-blocks-percentage
=C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Specify the percentage of the filesystem= blocks reserved for the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 super-user. =C2=A0 This =C2=A0avoids =C2=A0fragmentation, and allows ro= ot-owned
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 daemons, such = as syslogd(8), to continue to =C2=A0function =C2=A0correctly
=C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 after non-privileged processes are p= revented from writing to the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 filesystem.=C2=A0 The default percentage is 5%.

I have several 12 TB disks scattered abo= ut my house. 5% of 12TB is 600GB. I'm pretty confident that all the spi= nning (no, tapes aren't spinning) storage at all of Bell Labs in 1975 w= as less than the reserved=C2=A0space for one of my disks. FWIW, I set "= ;-m 0" for honker disks. -- jpl
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