F-13-Beta Live images are > 700Mib

David Zeuthen davidz at redhat.com
Wed Mar 24 18:28:40 UTC 2010


On Wed, 2010-03-24 at 11:18 -0700, Adam Williamson wrote:
> On Wed, 2010-03-24 at 13:21 -0400, Adam Jackson wrote:
> > On Wed, 2010-03-24 at 09:50 -0400, James Laska wrote:
> > 
> > > So the new size limit for desktop live images will be 1G or 1Gib?
> > 
> > 1GiB.  2^30, not 10^9.
> 
> Hmm. That seems inconsistent. I believe the idea was to target '1GB' USB
> sticks; aren't USB sticks usually sold using the base-10 numbers, for
> the same reason as hard disks (to inflate apparent capacity)?
> 
> Would a 1 GiB image actually fit on your typical '1GB' USB stick?

Probably not. The majority of "1GB sticks" are 1000MB (1,000,000,000
bytes), a few are actually 1024MB (1,024,000,000 bytes). FWIW, I've
never seen anything larger than that - e.g. 1000MiB (1,048,576,000
bytes) or 1GiB (1,073,741,824 bytes). But I'm sure if you look long
enough, these do exist!

The whole point is kinda moot since we will need some space for a
persistent overlay *anyway*. So even if a "1GB stick" could hold 1074MB
(e.g. 1GiB) then we'd want more than 74MB for the persistent overlay.

It's also a nice gesture to leave some wiggle room for 3rd party Fedora
respins...

    David




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