[Server-devel] Best XSCE strategy for us in Pacific with XO-1.5 2GB Testing XSCE 3 on XO 1.5 2GB os855

[Jerry Vonau]

Hi James,

On 17 June 2013 21:55, James Cameron <quozl at laptop.org> wrote:

> On Mon, Jun 17, 2013 at 09:20:20PM -0400, George Hunt wrote:
> > I ordered a 64GB SD, and have it in hand. It is formatted with exfat
> > disk format, apparently a Microsoft proprietary standard.  There is
> > a driver for exfat, but it is not shipped with the XO, so there was
> > some truth to the hearsay that 64GB SD cards do not work on the
> > XO. BUT . . .
> >
> > I was able to read exfat formatted "out of the box" transcend 64GB
> > drive on a XO1.5, with a downloaded driver, so I expect that
> > electrical compatibility is already established.
>
> It is the protocol compatibility that causes us problems.  There's
> this tiny computer inside the card which has to interoperate with our
> computer.  And from what you describe above, you haven't yet tested
> the protocol compatibility with Open Firmware.  You have to boot from
> it to test that.
>
> > I think you will want it to be formatted with ext4, because the OS
> > doesn't run on a FAT formated drive. I should caution that I have
> > read that SD cards have an erase block size that makes it important
> > to preserve the partition location and sizing, as the disk format is
> > being erased and reformatted.
>
> If you use the drive for the operating system, there's no need to
> partition or format, because the fs-update of 13.1.0 .zd file will
> create all that is required.  Just make sure you use the devalias
> fsdisk ext:0 trick to persuade fs-update to use the external slot.
>
> During boot, the operating system may expand the filesystem to cover
> the rest of the device.
>

I just tried the devalias trick using 13.2.0 as the OS on a XO-4. On
initial boot it drops me into dracut appearing to complain about a
read-only filesystem while attempting resize. Any thoughts on how to debug
this?

Jerry
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