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New Flash drive shenanigans.
I've got a small (2Gb) USB flash drive that has a slightly peculiar problem: OS X can't read it's file system, yet all other PCs I poke it into can. Windows, Linux, Android - all can read it just fine. OS X cannot.

This has been a problem from time to time with a friend's laptop as she has a Macbook Air. It was recently slightly more annoying with my own work laptop which is a Macbook Pro.

Then I figured out what's wrong.

When I first bought the flash drive, I put a 1Gb Ubuntu boot image on it. This was used to install Ubuntu to a netbook that had no optical drive. Once this was done, I wanted it to be 2Gb again; which meant recreating the partitions and reformatting. But I used partition #1 and I've heard that most flash drives use partition #4. I suspect this is why OS X is unhappy with my flash drive.

Anyone else seen this? It is extremely difficult to search for on the googles. I know the fix, of course, I just wanted to talk about it with someone.

Wade.
Just Add Story http://justaddstory.wordpress.com/
New Or it may not want a partition table
It is also valid to start the file system at sector 0, without any MBR, partition table, etc. It would be a bit bizarre for Apple to require that, though...

I have a flash drive with and one without partition table but the only Macintoshes I can lay my hands on right now are of the edible variety. I'll drag the sticks to work and see what happens there.

New That wasn't it - it liked them both.
New One day I'll let OS X "fix it".
This will require I copy everything off it first on to another PC, of course.

Maybe there's something ogly I did with the mkfs, then if the partition table isn't hokey.

Wade.
Just Add Story http://justaddstory.wordpress.com/
     Flash drive shenanigans. - (static) - (3)
         Or it may not want a partition table - (scoenye) - (2)
             That wasn't it - it liked them both. -NT - (scoenye) - (1)
                 One day I'll let OS X "fix it". - (static)

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