[Fedora-livecd-list] size of device on which anaconda lays down a filesystem?

[paul.armor at usbank.com]

> On Sat, Jul 31, 2010 at 4:41 PM, Bruno Wolff III <bruno at wolff.to> wrote:
> On Thu, Jul 29, 2010 at 17:36:16 -0500,
>>  paul.armor at usbank.com wrote:
>>>
>>> It's like the block device that lives under the filesystem isn't 
actually
>>> "as big" as the fs that's layed down on top of it?
>>
>> This is done with an overlay. The base file system is readonly. If you
>> aren't using a disk based overlay (for USB devices), you'll be limited 
to
>> whatever is used for the ramfs overlay. I don't know exactly how that 
is
>> sized, but it is probably some minimum and a fraction of your ram. So 
it
>> doesn't seem surprising that you get the same limit even with different 
sizes
>> for the image saved on the cd, dvd or usb device.
> 
> Right, in EL-5 version there's older livecd initrd generator script
> called "mayflower" which is limited to in-memory overlay (sparse file
> in initramfs).
> It does not support disk based overlay, that was added later in Fedora
> mkliveinitrd after RHEL5 branched.

Ahhh, and this would be a limitation based on physical memory in the 
machine where the iso is being created?  So it would be suicidal to try 
creating a 4GB root fs on a machine with only 2GB physical ram?

Perhaps I'll try using a newer version...

Thanks!
Paul Armor

U.S. BANCORP made the following annotations
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