Re: partman problems (sparc and elsewhere)
On Wed, Dec 01, 2004 at 04:20:17PM +0200, Anton Zinoviev wrote:
> On Mon, Nov 29, 2004 at 11:40:37PM +0100, Sven Luther wrote:
> >
> > BTW, i also believe that this is a problem on pegasos. Doing a
> > ped_partition_set_system each time we put a filesystem on a partition may be
> > the thing to do, do you do this ?
>
> Yes.
>
> > Example, on pegasos, i was going to install an ext3 filesystem in the old swap
> > partition. The old partition was marked as type swap, and this was not
> > changed, and thus the ext3 filesystem was not readable from the firmware,
> > which thought it contained swap, and since there are no driver for this, it
> > failed.
>
> The following happens:
>
> 1. The partition type is swap, but it contains ext3
> 2. parted reports the partition as ext3 partition
> 3. you tell partman to use this partition as ext3 partition
> 4. partman does ped_partition_set_system(ext3) for it
> 5. however partman sees that the partition was ext3 previously and
> concludes that the partition table is unchanged. Thats why partman
> doesn't write it to the disk
Ah, no, it was a swap paritition previously, not an ext3.
> The API of parted doesn't provide functions to access the partition type
> and thats why partman has no way to find out whether your assignment of
> the partition as ext3 requires changes in the partition table or not.
Yeah, this may change in the future though, but well.
> The solution (not nice) would be to write the partition tables
> unconditionaly.
Why is it not-nice ? It is a good solution, either that or have some way to
set it by hand.
Friendly,
Sven Luther
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