Ubuntu Preseed Raid 1 with multiple partitions

[Camilo Vieira]

Thanks for your help!

I'm working on a project that use custom applications, apt-mirror and all
was planned to install on the /opt: java7, tomcat7, couchdb and the custom
java application developed.

I have trying to plan the best preseed and partition scheme to this project.

I will consider your recomendation.

Thanks








2013/6/3 Liam Proven <lproven at gmail.com>

> On 3 June 2013 21:59, Camilo Vieira <camilo.vieira at gmail.com> wrote:
> > Hi Liam,
> >
> > Thanks for your collaboration.
> >
> > This is a server machine. I usually use the /boot to help me fix
> partitions
> > issues when something wrong happens.
>
> A boot CD is much easier and gives a much richer environment.
>
> Just having /boot separate is not much help - it only contains the
> kernel. You also need the stuff in /bin and /sbin which are of course
> under /.
>
> Seriously, don't bother. There has been no reason for /boot since EIDE
> started working reliably with arbitrary-sized disks, i.e., roughly a
> decade ago. :¬)
>
> > The applications will be installed on /opt
>
> Most apps go into /usr somewhere on their own. It is not a good idea
> to override this.
>
> Only monolithic binaries that do not really understand your distro go
> in /opt - it is somewhat historical now, too.
>
> Anyway, it's not binaries that are the problem normally. On a server,
> if they are *very* paranoid, some sysadmins move /var onto a different
> filesystem so that there is no chance that a huge log file can fill up
> / - but with terabyte-class disks, this is not much of a threat.
>
>
> > and I want to separate the
> > partitions to avoid space problems.
>
> See above.
>
> Seriously, I suggest that you start your troubleshooting with a much
> simpler partitioning scheme. Since a well-specified modern PC should
> have lots of RAM, it does not really need swap at all. If you are
> really paranoid, you could install "swapspace" which will give you
> on-demand swapfiles if they are needed, which normally, they should
> not be. It is not compatible with hibernation but that is not an issue
> on a server. It has no performance impact on modern kernels.
>
> Try with just a mirrored / and nothing else and see if it works. Then,
> if you are really worried, you can split off /opt - but it should not
> be large. Data files, files that are changing regularly, should not be
> in /opt, they should be in /var or /home as a rule. If they're in /opt
> then I would say there was something wrong with your config.
>
> I cannot advise regarding "d-i partman-md/" because I am not familiar
> with this tool. Sorry.
>
> --
> Liam Proven • Profile: http://lproven.livejournal.com/profile
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