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I am about to get "regifted" a Dell server at work which I am told
will have five 400GB SAS drives. I plan to turn this into a Gentoo
Linux server into which lab staff will shell to do whatever, and I
expect I may have a PostgreSQL instance running there as well.<br>
<br>
I'd like some suggestions as to the most admin-friendly way to deal
with the five drives given that:<br>
<ul>
<li>I really dislike hardware RAID cards like Dell PERC. If there
has to be one, I would much rather set it to JBOD mode and get
my RAIDing done some other way.</li>
<li>I foresee I will have gnashing of teeth if I set in stone at
install time the sizes of the /var and /home volumes. There's no
telling how much or how little space PostgreSQL might need in
the future and you know how GRAs are - give them disk space and
they'll take disk space. :)</li>
</ul>
<p>I can go kernel raid, I can go LVM if I have to, I can go btrfs
if I want to - or, you can talk me out of my PERC hate. I know
that at 5x400GB I could RAID5 that stack easily in hardware and
then use LVM or btrfs from there, but I wanted to see if anyone
had a suggestion as to how to proceed starting from JBOD that
would be about as easy to live with.<br>
</p>
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