On Nov 10, 2011, at 9:42 AM, Joerg Schilling wrote: > George Wilson <[email protected]> wrote: > >>> I know this text, but it does ot mention whether it allows to ignore some >>> of >>> the features. >>> >> >> >> Feature flags provides fine-grained control over which features you want to >> enable and which ones you want to ignore. So if someone develops a new >> compression algorithm that you don't want to use then you simple don't >> enable it. > > This is not sufficient. If you get a ZFS pool that includes files with an > un-supported compression algorithm, you still could permit to read all other > files. > > You would need to forbid opening related files. >
You should re-read the documents that were mentioned earlier. You'll see that feature flags has this capability. As long as the new feature has been designed to allow you to open the pool then it will work as you mention above. - George > ZFS could act as a removable file system in case you manage to permit using it > from implementations that do not support congruent feature sets. > > Jörg > > -- > EMail:[email protected] (home) Jörg Schilling D-13353 Berlin > [email protected] (uni) > [email protected] (work) Blog: > http://schily.blogspot.com/ > URL: http://cdrecord.berlios.de/private/ ftp://ftp.berlios.de/pub/schily > > > ------------------------------------------- > illumos-discuss > Archives: https://www.listbox.com/member/archive/182180/=now > RSS Feed: https://www.listbox.com/member/archive/rss/182180/21175546-10f4e432 > Modify Your Subscription: https://www.listbox.com/member/?&; > Powered by Listbox: http://www.listbox.com ------------------------------------------- illumos-discuss Archives: https://www.listbox.com/member/archive/182180/=now RSS Feed: https://www.listbox.com/member/archive/rss/182180/21175430-2e6923be Modify Your Subscription: https://www.listbox.com/member/?member_id=21175430&id_secret=21175430-6a77cda4 Powered by Listbox: http://www.listbox.com
