On Wed, Jun 10, 2015 at 4:40 PM, ToddAndMargo <[email protected]> wrote:
> On 06/10/2015 01:23 PM, Scott Dowdle wrote: > >> Greetings, >> >> ----- Original Message ----- >> >>> Apparently, when creating a live USB, if you do not specify >>> a "--home-size-mb", the default is zero and you can't save >>> any files on your desktop. Huh ... >>> >> >> Apparently, it doesn't read your mind, eh? :) >> >> I almost never want persistent storage because I primarily just want it >> to do installs. "Persistant on USB thumbdrives" is a bit of an oxymoron... >> as USB storage (not talking about external hard drives but flash) really >> degrades for me over time... and fairly easy to corrupt... or at least that >> has been my experience. >> >> TYL, >> >> > And persistence does not give space back. Also a misunderstanding. See the newly revised livecd-iso-to-disk man page, https://github.com/rhinstaller/livecd-tools/blob/master/docs/livecd-iso-to-disk.pod The storage space of any files in the original root filesystem (inside the SquashFS compressed ext3fs.img file) is not recover able upon deletion, but the storage space for newly added files, or changes stored in the overlay, is recoverable . The overlay space is allocated once as needed , so the dmsetup status report of allocated sectors will not reflect the availability of space once used but later deleted. (The confusion was caused by an error in an earlier version of the man page, where the overlay was described as a write-once storage method instead of an allocate-once method. The current version corrects this.) --Fred
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