From: "John P. Linderman" <jpl.jpl@gmail.com>
To: "Greg 'groggy' Lehey" <grog@lemis.com>
Cc: TUHS main list <tuhs@minnie.tuhs.org>
Subject: Re: [TUHS] tabs vs spaces - entab, detab
Date: Thu, 4 Mar 2021 16:48:36 -0500 [thread overview]
Message-ID: <CAC0cEp_sEEPYuXWxz+4k9iMrXiyPLB_WuU0BfSNfk2_nNeyPDA@mail.gmail.com> (raw)
In-Reply-To: <20210304212917.GB6303@eureka.lemis.com>
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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
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next prev parent reply other threads:[~2021-03-04 21:49 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-04 16:52 Will Senn
2021-03-04 16:59 ` Clem Cole
2021-03-04 18:31 ` arnold
2021-03-04 19:23 ` Nemo Nusquam
2021-03-04 19:37 ` Steve Nickolas
2021-03-04 19:50 ` Rob Pike
2021-03-04 21:20 ` Robert Clausecker
2021-03-04 21:25 ` Will Senn
2021-03-05 9:58 ` John Gilmore
2021-03-06 21:31 ` Dave Horsfall
2021-03-06 21:38 ` Larry McVoy
2021-03-06 22:05 ` Clem Cole
2021-03-15 3:02 ` John Cowan
2021-03-15 18:15 ` Steffen Nurpmeso
2021-03-15 21:19 ` Bakul Shah
2021-03-15 23:47 ` Steffen Nurpmeso
2021-03-16 3:10 ` Earl Baugh
2021-03-15 21:08 ` Dave Horsfall
2021-03-15 21:12 ` Steve Nickolas
2021-03-15 21:24 ` Dave Horsfall
2021-03-15 22:06 ` Adam Thornton
2021-03-16 13:25 ` arnold
2021-03-17 5:10 ` Greg 'groggy' Lehey
2021-03-06 21:40 ` Steve Nickolas
2021-03-04 18:48 ` emanuel stiebler
2021-03-05 0:44 ` John Cowan
2021-03-05 0:55 ` Larry McVoy
2021-03-05 1:09 ` George Michaelson
2021-03-05 1:21 ` Larry McVoy
2021-03-05 1:29 ` Richard Salz
2021-03-04 18:33 ` John P. Linderman
2021-03-04 21:24 ` Greg 'groggy' Lehey
2021-03-04 21:27 ` Will Senn
2021-03-04 21:29 ` Greg 'groggy' Lehey
2021-03-04 21:42 ` Will Senn
2021-03-04 21:48 ` John P. Linderman [this message]
2021-03-04 22:08 ` Andy Kosela
2021-03-04 22:12 ` Greg 'groggy' Lehey
2021-03-05 14:13 ` Steffen Nurpmeso
2021-03-05 20:24 ` John Cowan
2021-03-05 21:51 ` Bakul Shah
2021-03-06 23:43 ` Steffen Nurpmeso
2021-03-05 0:15 ` Jon Steinhart
2021-03-06 21:22 ` Dave Horsfall
2021-03-06 23:58 ` Bakul Shah
2021-03-07 0:03 ` Jon Steinhart
2021-03-07 0:25 ` Steve Nickolas
2021-03-07 9:16 ` Brantley Coile
2021-03-05 9:50 ` [TUHS] tunefs -m 5% John Gilmore
2021-03-05 15:01 ` Grant Taylor via TUHS
2021-03-05 15:32 ` Theodore Ts'o
2021-03-06 1:18 ` Greg 'groggy' Lehey
2021-03-06 1:52 ` Warner Losh
2021-03-06 21:45 ` Dave Horsfall
2021-03-06 22:03 ` Larry McVoy
2021-03-09 4:59 ` Greg 'groggy' Lehey
2021-03-06 23:52 ` David Barto
2021-03-06 1:16 ` Greg 'groggy' Lehey
2021-03-04 22:10 ` [TUHS] tabs vs spaces - entab, detab Greg A. Woods
2021-03-05 1:41 ` alan
2021-03-05 1:55 ` alan
2021-03-05 2:06 ` Will Senn
2021-03-05 17:08 ` Clem Cole
2021-03-05 17:19 ` Richard Salz
2021-03-05 19:39 ` Lawrence Stewart
2021-03-05 19:51 ` Dan Halbert
2021-03-08 1:52 ` Will Senn
2021-03-05 16:43 ` Scot Jenkins via TUHS
2021-03-05 22:23 ` Bakul Shah
2021-03-06 20:51 ` Dave Horsfall
2021-03-06 21:01 ` Jon Steinhart
2021-03-06 21:19 ` Larry McVoy
2021-03-06 22:01 ` Clem Cole
2021-03-05 16:44 M Douglas McIlroy
2021-03-05 19:29 ` Greg A. Woods
2021-03-06 23:21 ` Steffen Nurpmeso
2021-03-05 22:50 Norman Wilson
2021-03-07 2:53 Nelson H. F. Beebe
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