From: "Canek Peláez Valdés" <caneko@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] /dev/sda* missing at boot
Date: Wed, 7 Sep 2011 23:23:45 -0400 [thread overview]
Message-ID: <CADPrc81uza6Ckmp0rGSwOw4VhpXrx-5Lqy8=3CWZLKsN0=j4Wg@mail.gmail.com> (raw)
In-Reply-To: <CA+czFiAJJZzRGb5MUeehbnNEP6ZrMz26EMRD3MKuVz9-cVojOA@mail.gmail.com>
On Wed, Sep 7, 2011 at 7:39 PM, Michael Mol <mikemol@gmail.com> wrote:
> On Wed, Sep 7, 2011 at 7:04 PM, Canek Peláez Valdés <caneko@gmail.com> wrote:
>> On Wed, Sep 7, 2011 at 6:54 PM, Neil Bothwick <neil@digimed.co.uk> wrote:
>>> On Wed, 7 Sep 2011 13:52:22 -0400, Canek Peláez Valdés wrote:
>>>
>>>> After reading that, and other similar threads, I still don't
>>>> understand the benefits of a separated /usr.
>>>
>>> Putting it on a logical volume is one advantage, allowing /usr to be
>>> resized should the need arise.
>>
>> Why not allow / to be resized entirely? You probably will take the
>> machine off-line anyway.
>
> A few months ago, I had to recover a live Debian machine which had
> massive filesystem corruption in /usr; the hard drive it was on had
> begun going bad, and it was taking out /usr slowly.
>
> I wound up being able to recover by doing a full reinstall of all
> packages on the live system after mounting /usr into a freshly-mkfs'd
> new lvm volume. If I'd taken the system offline, it would have been
> much more difficult.
You can always remount / in another LVM module. Really, what's so
especial about /usr?
> (As it was, I was shocked it worked)
>
>>
>>>> Mounting it read-only
>>>> seems the only sensible one, and then I think is better to go all the
>>>> way and mount / read-only.
>>>
>>> Putting /etc on a read-only filesystem seems a really bad idea.
>>
>> mount -o remount,rw /
>> emerge --sync && emerge -uDNv world
>> dispatch-conf
>> mount -o remount,ro /
>>
>> Or, if you only want to modify some configuration file (which in a
>> sane environment doesn't happen that often):
>>
>> mount -o remount,rw /
>> adduser fulano ...
>> mount -o remount,ro /
>
> So, no hobbyists? Operating a 'sane' environment at home isn't how
> I've taught myself Linux. In a production environment, sure; having
> everything possible be read-only is nice, from a security standpoint.
Then why you want another partition for /usr?
>>
>> Again, I don't see the reason for a separated /usr. But *again*, if
>> that's what you want, you will be able to do it. You will just need an
>> initramfs.
>
> Yeah, great. Used to be, I could configure needed components to be
> built-ins in the kernel.
Yeah, first time I installed Linux, it required 512 Mb (if I installed
X), and 16 Mb of memmory. Change happens. I welcome it happily,
because that's how we progress and get even better stuff.
Regards.
--
Canek Peláez Valdés
Posgrado en Ciencia e Ingeniería de la Computación
Universidad Nacional Autónoma de México
next prev parent reply other threads:[~2011-09-08 3:24 UTC|newest]
Thread overview: 231+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-18 18:59 [gentoo-user] /dev/sda* missing at boot frares
2011-08-18 19:08 ` András Csányi
2011-08-19 12:42 ` [gentoo-user] " Nikos Chantziaras
2011-08-19 19:38 ` Francesco Talamona
2011-08-18 19:13 ` [gentoo-user] " Michael Mol
2011-08-19 5:33 ` Graham Murray
2011-08-19 1:44 ` Matthew Finkel
2011-08-19 2:27 ` Mark Knecht
2011-08-19 10:09 ` Mick
2011-08-19 13:12 ` frares
2011-08-19 13:41 ` Gregory Woodbury
2011-08-19 22:08 ` Dale
2011-08-20 7:04 ` Mick
2011-08-20 7:17 ` Dale
2011-08-20 8:29 ` Alan McKinnon
2011-08-20 8:48 ` Dale
2011-08-20 8:57 ` Alan McKinnon
2011-08-20 12:55 ` Mick
2011-09-06 23:06 ` Dale
2011-09-07 5:09 ` William Hubbs
2011-09-07 5:24 ` Dale
2011-09-07 17:23 ` Dan Johansson
2011-09-07 17:52 ` Canek Peláez Valdés
2011-09-07 18:09 ` Michael Mol
2011-09-07 18:28 ` Canek Peláez Valdés
2011-09-07 19:07 ` Michael Mol
2011-09-07 19:10 ` Canek Peláez Valdés
2011-09-07 19:19 ` Alex Schuster
2011-09-07 19:24 ` Michael Mol
2011-09-07 19:27 ` Canek Peláez Valdés
2011-09-07 22:54 ` Neil Bothwick
2011-09-07 23:04 ` Canek Peláez Valdés
2011-09-07 23:39 ` Michael Mol
2011-09-08 3:23 ` Canek Peláez Valdés [this message]
2011-09-08 10:11 ` Alan McKinnon
2011-09-08 15:32 ` Canek Peláez Valdés
2011-09-08 20:24 ` Alan McKinnon
2011-09-08 20:37 ` Canek Peláez Valdés
2011-09-08 21:03 ` Dale
2011-09-08 22:55 ` Canek Peláez Valdés
2011-09-09 2:55 ` Dale
2011-09-09 15:29 ` Canek Peláez Valdés
2011-09-09 9:10 ` Joost Roeleveld
2011-09-08 17:30 ` pk
2011-09-08 18:40 ` Canek Peláez Valdés
2011-09-09 5:04 ` pk
2011-09-07 23:55 ` Neil Bothwick
2011-09-08 3:30 ` Canek Peláez Valdés
2011-09-08 3:39 ` Dale
2011-09-08 14:51 ` Canek Peláez Valdés
2011-09-08 15:15 ` Michael Mol
2011-09-08 15:40 ` Canek Peláez Valdés
2011-09-08 15:58 ` Neil Bothwick
2011-09-08 16:11 ` Michael Schreckenbauer
2011-09-08 16:45 ` Canek Peláez Valdés
2011-09-08 17:11 ` Michael Schreckenbauer
2011-09-08 17:22 ` Canek Peláez Valdés
2011-09-08 20:05 ` Alan McKinnon
2011-09-08 20:23 ` Canek Peláez Valdés
2011-09-08 20:43 ` Michael Schreckenbauer
2011-09-08 20:48 ` Canek Peláez Valdés
2011-09-08 21:04 ` Michael Schreckenbauer
2011-09-08 21:11 ` Alan McKinnon
2011-09-08 22:36 ` Canek Peláez Valdés
2011-09-08 23:23 ` Alan McKinnon
2011-09-08 23:34 ` Canek Peláez Valdés
2011-09-09 11:35 ` Alan McKinnon
2011-09-08 21:29 ` Alan Mackenzie
2011-09-08 21:44 ` Alan McKinnon
2011-09-08 22:06 ` Michael Schreckenbauer
2011-09-09 8:06 ` [gentoo-user] " Nicolas Sebrecht
2011-09-09 10:03 ` Michael Schreckenbauer
2011-09-12 8:40 ` Nicolas Sebrecht
2011-09-12 9:18 ` Michael Schreckenbauer
2011-09-12 16:50 ` Dale
2011-09-08 22:31 ` [gentoo-user] " Alan Mackenzie
2011-09-08 23:05 ` Alan McKinnon
2011-09-08 21:04 ` Alan McKinnon
2011-09-08 20:40 ` Michael Schreckenbauer
2011-09-08 20:56 ` Alan McKinnon
2011-09-08 21:06 ` Michael Schreckenbauer
2011-09-08 21:38 ` Alan McKinnon
2011-09-08 22:28 ` Michael Schreckenbauer
2011-09-08 23:01 ` Alan McKinnon
2011-09-08 17:35 ` pk
2011-09-08 17:47 ` Michael Mol
2011-09-08 18:11 ` pk
2011-09-08 19:01 ` Canek Peláez Valdés
2011-09-08 19:40 ` Michael Mol
2011-09-09 9:39 ` Joost Roeleveld
2011-09-08 18:41 ` Canek Peláez Valdés
2011-09-09 5:18 ` pk
2011-09-08 7:59 ` Neil Bothwick
2011-09-08 15:08 ` Canek Peláez Valdés
2011-09-08 7:37 ` [gentoo-user] " Alberto Luaces
2011-09-08 8:17 ` Alberto Luaces
2011-09-08 1:37 ` [gentoo-user] " David W Noon
2011-09-08 2:49 ` Dale
2011-09-08 3:33 ` Canek Peláez Valdés
2011-09-08 8:09 ` Michael Schreckenbauer
2011-09-08 15:13 ` Canek Peláez Valdés
2011-09-08 16:06 ` Michael Schreckenbauer
2011-09-08 16:34 ` Canek Peláez Valdés
2011-09-08 17:01 ` Michael Schreckenbauer
2011-09-08 17:18 ` Canek Peláez Valdés
2011-09-08 17:45 ` Michael Mol
2011-09-08 19:00 ` Canek Peláez Valdés
2011-09-08 19:37 ` Michael Mol
2011-09-08 20:03 ` Canek Peláez Valdés
2011-09-08 20:57 ` Michael Mol
2011-09-09 8:11 ` Paul Colquhoun
2011-09-09 8:53 ` Dale
2011-09-09 9:15 ` Alan McKinnon
2011-09-10 1:25 ` Dale
2011-09-10 1:32 ` Michael Mol
2011-09-10 1:58 ` Dale
2011-09-10 7:30 ` Alan McKinnon
2011-09-10 7:54 ` Dale
2011-09-10 10:00 ` Alan McKinnon
2011-09-10 14:59 ` Dale
2011-09-10 15:52 ` Pandu Poluan
2011-09-10 16:34 ` Alex Schuster
2011-09-10 21:15 ` Alan McKinnon
2011-09-10 21:28 ` Dale
2011-09-10 22:35 ` Alex Schuster
2011-09-11 9:37 ` Peter Humphrey
2011-09-12 8:41 ` Neil Bothwick
2011-09-12 8:40 ` Neil Bothwick
2011-09-12 8:37 ` Neil Bothwick
2011-09-12 8:55 ` Alex Schuster
2011-09-12 8:35 ` Neil Bothwick
2011-09-10 17:33 ` William Kenworthy
2011-09-10 18:12 ` William Kenworthy
2011-09-10 18:21 ` Dale
2011-09-12 7:12 ` Joost Roeleveld
2011-09-12 12:14 ` Mike Edenfield
2011-09-12 12:28 ` Joost Roeleveld
2011-09-12 14:47 ` Pandu Poluan
2011-09-12 15:29 ` Michael Mol
2011-09-12 15:44 ` Joost Roeleveld
2011-09-12 16:56 ` Dale
2011-09-10 7:16 ` Alan McKinnon
2011-09-10 7:56 ` Dale
2011-09-12 7:17 ` Joost Roeleveld
2011-09-12 7:49 ` Dale
2011-09-09 11:35 ` Alex Schuster
2011-09-09 12:46 ` Mick
2011-09-09 16:44 ` pk
2011-09-09 17:04 ` Alex Schuster
2011-09-09 17:09 ` Michael Mol
2011-09-10 1:10 ` Dale
2011-09-10 1:01 ` Dale
2011-09-10 10:56 ` Alex Schuster
2011-09-10 15:52 ` Dale
2011-09-10 22:02 ` Keith Dart
2011-09-10 22:51 ` Alex Schuster
2011-09-10 23:40 ` Keith Dart
2011-09-11 11:59 ` Alex Schuster
2011-09-09 17:24 ` pk
2011-09-09 17:53 ` Michael Schreckenbauer
2011-09-10 1:15 ` Dale
2011-09-10 1:23 ` Michael Mol
2011-09-10 1:49 ` Dale
2011-09-10 7:17 ` pk
2011-09-10 7:36 ` Alan McKinnon
2011-09-10 10:24 ` Mick
2011-09-10 16:09 ` Dale
2011-09-10 16:19 ` Michael Mol
2011-09-10 16:36 ` Pandu Poluan
2011-09-10 16:50 ` Michael Mol
2011-09-10 16:47 ` Dale
2011-09-10 21:28 ` Alan McKinnon
2011-09-11 8:22 ` Mike Edenfield
2011-09-11 8:54 ` Pandu Poluan
2011-09-11 9:51 ` pk
2011-09-10 10:43 ` Alex Schuster
2011-09-11 3:16 ` Paul Colquhoun
2011-09-11 7:29 ` Alan McKinnon
2011-09-11 12:26 ` Alex Schuster
2011-09-11 18:56 ` Dale
2011-09-11 19:37 ` Mick
2011-09-11 21:07 ` Dale
2011-09-11 21:46 ` David W Noon
2011-09-11 22:08 ` Dale
2011-09-12 1:44 ` James Wall
2011-09-12 8:12 ` Joost Roeleveld
2011-09-12 19:07 ` David W Noon
2011-09-12 7:45 ` Joost Roeleveld
2011-09-12 8:32 ` Alex Schuster
2011-09-12 8:49 ` Neil Bothwick
2011-09-12 9:07 ` Joost Roeleveld
2011-09-12 9:13 ` Neil Bothwick
2011-09-12 9:34 ` Joost Roeleveld
2011-09-12 10:57 ` Neil Bothwick
2011-09-14 5:01 ` Walter Dnes
2011-09-08 19:48 ` Alan McKinnon
2011-09-08 20:21 ` Canek Peláez Valdés
2011-09-08 20:38 ` Alan McKinnon
2011-09-08 20:46 ` Canek Peláez Valdés
2011-09-08 21:25 ` Alan McKinnon
2011-09-08 16:44 ` David W Noon
2011-09-08 16:56 ` Canek Peláez Valdés
2011-09-08 18:05 ` David W Noon
2011-09-08 19:13 ` Canek Peláez Valdés
2011-09-08 20:25 ` David W Noon
2011-09-08 20:42 ` Canek Peláez Valdés
2011-09-08 22:33 ` Mick
2011-09-08 22:39 ` Canek Peláez Valdés
2011-09-08 23:00 ` Alan McKinnon
2011-09-08 23:26 ` Canek Peláez Valdés
2011-09-09 6:22 ` Mick
2011-09-09 7:35 ` Dale
2011-09-08 22:51 ` David W Noon
2011-09-08 20:45 ` Alan McKinnon
2011-09-08 23:32 ` David W Noon
2011-09-09 11:41 ` Alex Schuster
2011-09-09 12:44 ` Dale
2011-09-09 14:02 ` Alex Schuster
2011-09-10 1:20 ` Dale
2011-09-09 18:16 ` David W Noon
2011-09-09 19:57 ` Alex Schuster
2011-08-20 12:53 ` Gregory Woodbury
2011-08-20 12:59 ` David W Noon
2011-08-20 13:29 ` Mick
2011-08-20 13:58 ` Pandu Poluan
2011-08-20 15:32 ` David W Noon
2011-08-20 14:22 ` Alan McKinnon
2011-08-19 13:48 ` Alan McKinnon
2011-08-19 15:06 ` frares
2011-08-19 15:20 ` Alan McKinnon
-- strict thread matches above, loose matches on Subject: below --
2011-08-18 19:17 frares
2011-08-18 19:26 ` frares
2011-08-18 19:42 ` Michael Mol
2011-08-18 23:29 ` Peter Humphrey
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CADPrc81uza6Ckmp0rGSwOw4VhpXrx-5Lqy8=3CWZLKsN0=j4Wg@mail.gmail.com' \
--to=caneko@gmail.com \
--cc=gentoo-user@lists.gentoo.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox