Agree with Chris. Cheers, Sylvia On 20/12/2015, Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote: > On Sun, Dec 20, 2015 at 3:31 PM, Fernando Cassia <fcassia@xxxxxxxxx> wrote: >> >> On Sun, Dec 20, 2015 at 6:35 AM, Ian Malone <ibmalone@xxxxxxxxx> wrote: >>> >>> It's neither of these, >>> >>> https://fedoraproject.org/wiki/How_to_create_and_use_Live_USB#Data_persistence >>> >>> 'currently implemented (as a Device-mapper copy-on-write snapshot), >>> every single change to it (writes AND deletes) subtracts from its free >>> space, so it will eventually be "used up"' >> >> >> It confirms what I said: it's broken. > > It's not broken. It's working as designed and documented. From > livecd-iso-to-disk --help > > *Note well* that > deletion of any original files in the read-only root filesystem does > not > recover any storage space on your LiveOS device. Storage in the > persistent /LiveOS/overlay-<device_id> file is allocated as needed, > but > the system will crash *without warning* and fail to boot once the > overlay has been totally consumed. If significant changes or > updates > to the root filesystem are to be made, carefully watch the fraction > of > space allocated in the overlay by issuing the 'dmsetup status' > command > at a command line of the running LiveOS image. Some consumption of > root > filesystem and overlay space can be avoided by specifying a > persistent > home filesystem for user files, see --home-size-mb below. > > >> How about changing the LiveCD creator >> to allow for "persistent storage" partition that is formatted with F2FS? > > Someone needs to volunteer to do the research why that's a better > option, and include some patches and kickstart scripts so that others > can test. F2FS does not produce better results just by using it. It's > highly customizeable/tunable, and it assumes you know things about > your flash based drive that it can't know (because manufacturer's hide > this information) so you can tune it. If you don't tune it, you can > get worse results than just using ext4/XFS/Btrfs or heck even FAT or > NTFS because the FTL in especially USB flash storage is very well > tuned for FAT. > > -- > Chris Murphy > -- > users mailing list > users@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe or change subscription options: > https://admin.fedoraproject.org/mailman/listinfo/users > Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct > Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines > Have a question? Ask away: http://ask.fedoraproject.org > -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
