A couple of rants about Launchpad

Christopher Chan christopher.chan at bradbury.edu.hk
Tue Mar 10 04:44:37 GMT 2009


>   
>>> I won't take responsibility for every single mailing list post being
>>> answered correctly, but you should have been pointed to the installation
>>> guide (https://help.ubuntu.com/8.10/installation-guide/i386/) whose
>>> preseeding appendix does document how to do LVM or RAID partitioning.
>>> That said, LVM *and* RAID partitioning (i.e. LVM on top of RAID) is a
>>> common request that the automatic partitioning software can't quite
>>> handle yet. I'm getting hammered on this from a number of directions, so
>>> there's likely to be work on this for 9.10.
>>>       
>> Oh...so lvm on raid is still a no-no. d-i leaves a lot to be 
>> desired...but if it is possible to use d-i manually to set raid on 
>> lvm...what needs doing to make it work automatically?
>>     
>
> Defining a recipe format for it (there's no real nesting in partition
> recipes at the moment, which makes things like this a little more
> difficult than they ought to be), and implementing that in
> partman-auto-raid. Or possibly just some kind of reordering so that you
> can run normal LVM autopartitioning after automatic RAID partitioning.
>   
I see. So is it currently possible with a custom recipe or does d-i need 
some work before it can support such recipes?
> d-i's automatic partitioner follows different code paths from the manual
> partitioner, partly for implementation reasons and partly because the
> requirements tend to be substantially different in some ways.
>
>   
okay
>> Also, when you say there will be work on it for 9.10...are you
>> referring to d-i or the ubuntu installer?
>>     
>
> I work on both; I think it's unlikely that I'd want to put a feature
> such as this into Ubuntu and not Debian.
>
>   
Great, thanks.
>>> For those who find that preseeding is too complicated, Kickstart
>>> compatibility is available
>>> (https://help.ubuntu.com/8.10/installation-guide/i386/automatic-install.html).
>>> It isn't as flexible in various areas, but that's OK since it provides
>>> an escape hatch so that you can mix and match Kickstart and preseeding.
>>>       
>> will d-i grok kickstart disk partitioning?
>>     
>
> Yes, with some restrictions. See the installation guide link I just
> posted which answers your question.
>
>   
okay
>> if using kickstart files means that one still needs to be at the
>> console...it ain't worth it.
>>     
>
> I'm not sure what you mean by this.
>
>   
If I still had to be at the console to do manual partitioning. But since 
d-i understands partedit commands...



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