Sugar Creation Kit: Difference between revisions
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:https://fedorahosted.org/fedora-qa/ticket/134 | :https://fedorahosted.org/fedora-qa/ticket/134 | ||
*Technical Discussion of Live USB's: http://fedoraproject.org/wiki/How_to_create_and_use_Live_USB#Data_Persistence | |||
::Limited Lifetime of Persistent Overlay | |||
One very important note about using the "primary" persistent overlay for system changes is that due to the way it's currently implemented (as a LVM copy-on-write snapshot), | |||
every single change to it (writes AND deletes) subtracts from its free space, so it will eventually be "used up" and your USB stick will no longer boot. | |||
Because of these limitations, it is advisable to use the system-level persistence sparingly, for configuration changes and important security updates only. | |||
For a truly persistent write-many (vs write-once) overlay, use the --home-size-mb option to create a home directory filesystem image for personal files. | |||
Unlike the primary system overlay image, the home.img can be re-used and loop mounted outside of the liveusb environment. | |||
=====Cautions with u3 USB sticks===== | =====Cautions with u3 USB sticks===== | ||