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echo: rberrypi
to: MORTEN REISTAD
from: MARTIN GREGORIE
date: 2017-03-30 10:35:00
subject: Re: 64Gbyte flash memory

On Wed, 29 Mar 2017 22:36:06 +0200, Morten Reistad wrote:

> /home and /local here/ I trust I can get a working Linux or FreeBSD up
> from a standard, downloadable distro; ans sync it to the repos. I take
> backups of the list of installed packages only. Including my own, which
> I use the package system for too, from local media.
>
I cheated a little:

- the in-house Apache server is configured to put root in /home and
  the various page groups in other /home users

- my Postgres database is in a /home user

- anything I've changed in /etc, /var and /root has copies maintained
  in my main user in /home

- everything that normal people keep in /usr/local is in /home/local and
  /usr/local is a symlink pointing to it.

This is how I get away with only needing to restore /home. Needless to
say, I have one or two shell scripts that put the symlink back, add the
various users back into /etc/passwd etc.

> The Linux md mirroring system can actually run with 4 or more drives in
> a raid1 system, copying the data to all of them.
>
Nice. At one stage I was doing a lot of work with IBM's AS/400 (now
iSeries) midrange systems. They use RAID 5 on sets of five disks. I was
impressed with their reliability (and read performance!) so using
something similar @home is on my to-do list.


--
martin@   | Martin Gregorie
gregorie. | Essex, UK
org       |

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