[Server-devel] 1TB drive of quality open content on XO/XS--won't boot

Braddock braddock at braddock.com
Sat May 11 15:58:41 EDT 2013

On 05/11/2013 12:44 PM, Holt wrote:
> Is there a way to boot a large USB hard drive attached to an XO?

Further detail on the trouble drive.

This is a 1TB Seagate Wireless Plus connected via USB.  It mounts 
correctly when the XO is booted, but if it is connected when the XO is 
powered on or rebooted, the XO drops to a firmware "OK" prompt.

I wonder if it could be because the first partition has a boot flag set?

# fdisk -l /dev/sda

Disk /dev/sda: 1000.2 GB, 1000204885504 bytes, 1953525167 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x6f44561a

    Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048     8193149     4095551    7 HPFS/NTFS/exFAT
/dev/sda2         8193150  1953520064   972663457+  83  Linux

Another volunteer has an external USB drive here which DOES work correctly.

Braddock Gaskill

> At our XS Community Sprint this week outside Toronto, we've been 
> unable to boot XOs with the 700+ GB drive(s) containing very polished 
> open content provided by http://internet-in-a-box.org
> The XOs (eg. XO-4 etc) refuse to auto-boot, leaving the screen at the 
> OK prompt.
> FYI our 1TB disk is a nearly complete snapshot of:
> * Wikipedia-in-41-languages, thumbnails for most all images
> * OpenStreetMap for the whole world cached at all zoom levels for fast 
> display
> * Gutenberg Prjct's full collection of 40,000+ books, images
> * Khan Academy's ~4000 video classes, etc
> Does firmware currently block the mounting of all large USB drives -- 
> NTFS in this case if not other filesystems?
> Might there be a workaround so isolated XO servers in Haiti (etc!) can 
> hopefully auto-boot with this quality free content?
> Cheers!
> -- 
> Help kids everywhere map their world, at http://olpcMAP.net !
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