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Re: Suggestion for systemd and /usr on seperate partition

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Hi,

On 8/7/20 2:11 am, Michael Stone wrote:
> On Tue, Jul 07, 2020 at 10:45:17AM -0500, David Wright wrote:
>> On Wed 08 Jul 2020 at 00:41:12 (+1000), Andrew McGlashan wrote:
>>> On 2/11/14 8:58 am, Elimar Riesebieter wrote:
>>> > * David Baron <d_baron@012.net.il> [2014-11-01 19:13 +0200]:
>>> >> On Friday 31 October 2014 13:08:27 Elimar Riesebieter wrote:
>>> >
>>> > [...]
>>> >
>>> >>> It's your decision. MODULES=most should be okay. BUSYBOX=y is
>>> >>> essential.
>>> >>
>>> >> This is what the install gave me.  I have not touched it.
>>> >> Where do I tell it to mount /usr?
>>> >
>>> > No need to. initramfs-tools does it by default. Check dmesg or
>>> > journal.
>>>
>>> Still today, it fails to mount /usr if /usr is a logical volume using lvm2
>>>
>>> I worked around that problem with an extra "activate" line in the following file:
>>>
>>>    /usr/share/initramfs-tools/scripts/local-top/lvm2
>>>
>>>        activate "/dev/mapper/vg0-usr"
>>>
>>> I placed that after the line to activate ROOT....
>>>
>>> So, still broken after all this time :(
>>
>> Is this link worth a read?
>>
>> https://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken/
>>
>> BTW the first line of the thread is "completely without starting any flamewars:"
> 
> The short answer is that there simply isn't a good reason to do this on a modern system, and there is no volunteer to donate the enormous amount of effort required to make
> something work for which there isn't a good justification for expending that effort. There should be no flamewar, if someone wants the situation to change they simply need to be
> the person who puts in all the work.

Just doing dist-upgrade with a perfectly acceptable file system previously is no reason why it should break.

The mentioned intramfs config file has a strange note about it being "dangerous" to enable activate all logical volumes, why?!?!?!

Debian/Devuan are Linux distros that allow for continuous upgrading without re-installing; the fact that MANY systems have previously separated root and /usr and, effectively
"times have changed" really isn't an acceptable answer.

Even systemd doesn't seem to think it should be a problem for those that choose to use systemd.

A.

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Re: Suggestion for systemd and /usr on seperate partition Andrew McGlashan <andrew.mcglashan@affinityvision.com.au> - 2020-07-07 17:00 +0200
  Re: Suggestion for systemd and /usr on seperate partition David Wright <deblis@lionunicorn.co.uk> - 2020-07-07 18:10 +0200
    Re: Suggestion for systemd and /usr on seperate partition Michael Stone <mstone@debian.org> - 2020-07-07 18:30 +0200
      Re: Suggestion for systemd and /usr on seperate partition Andrew McGlashan <andrew.mcglashan@affinityvision.com.au> - 2020-07-07 19:00 +0200
        Re: Suggestion for systemd and /usr on seperate partition David Wright <deblis@lionunicorn.co.uk> - 2020-07-08 02:00 +0200
        Re: Suggestion for systemd and /usr on seperate partition Andrei POPESCU <andreimpopescu@gmail.com> - 2020-07-08 08:00 +0200
          Re: Suggestion for systemd and /usr on seperate partition Andrew McGlashan <andrew.mcglashan@affinityvision.com.au> - 2020-07-08 10:30 +0200
            Re: Suggestion for systemd and /usr on seperate partition Michael Stone <mstone@debian.org> - 2020-07-08 15:30 +0200
            Re: Suggestion for systemd and /usr on seperate partition David Wright <deblis@lionunicorn.co.uk> - 2020-07-08 16:40 +0200
          Re: Suggestion for systemd and /usr on seperate partition <tomas@tuxteam.de> - 2020-07-08 10:40 +0200
            Re: Suggestion for systemd and /usr on seperate partition Andrei POPESCU <andreimpopescu@gmail.com> - 2020-07-09 10:20 +0200
              Re: Suggestion for systemd and /usr on seperate partition <tomas@tuxteam.de> - 2020-07-09 11:20 +0200
                Re: Suggestion for systemd and /usr on seperate partition David Wright <deblis@lionunicorn.co.uk> - 2020-07-09 16:40 +0200
                Re: Suggestion for systemd and /usr on seperate partition Andrei POPESCU <andreimpopescu@gmail.com> - 2020-07-09 18:20 +0200

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