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Re: Bug#260763: [powerpc] Problems with logical volume setup during installation

On Fri, Jan 07, 2005 at 10:55:09AM +0100, Sven Luther wrote:
> No, lvm could be added to partman in no time, but Colin Watson voted against
> this, and rightly so, since he claimed that we should not use a quick hack,
> but come to a consensus on the way of doing this with both the d-i team and
> the lvm-config tools (also upstream probably), for future portability issue.

Well, I was told differently by a Debian Developer on Linuxtag, who
explicitly asked me to look if I could add it (and test it then). My
brother (who also owns an ibook) had a look and told me it was not a
simple addition, but we did not push this further. 

> Nobody did really find the time to push this, and thus there is no lvm support
> on powermac (altough there should be no problem on prep and ibm chrp hardware,
> and i have solution for pegasos too).

Well, lvm works nicly. The only "trick" is to set it up on the command
line during the install (i.e., leave the gui for that). There are some
minor issues in some tools (#281925 and #287670), but they can be
easily worked around during operation. (I have not tried to reduce the
size of a LV, though).

> Ok. The main problem is that there is no LVM flag for mac partition tables, i
> wonder how usefull that is though. Parted is a bit shaky on this, as i believe
> it should not really be a partition flag, but a partition type.

Neither there is for alpha. I asked the LVM guys back then, and they
told me, that the partition type really does not matter, and we've
installed lvm since then on several alphas, all using BSD disk labels. 

I don't know the details of partitions on ppc, but using my alpha
experience I also chose an "arbitary" partition type (sorry, don't
know offhand which).

So in summary: if it can be added easily, IMHO it should, as lvm
definitly eases system management. 


Helge Kreutzmann, Dipl.-Phys.               Helge.Kreutzmann@itp.uni-hannover.de
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    64bit GNU powered                  http://www.itp.uni-hannover.de/~kreutzm
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