Darren J Moffat wrote: > Robert Milkowski wrote: > >> Hello zfs-discuss, >> >> What happens after a reboot to l2arc? I mean after pool is imported >> will zfs try to still check for data in a l2arc or will it assume it >> is empty and will start to warm it up? >> > > Empty and warm it up. > > >> Since data are checksummed on l2arc one could argue you it should be >> possible to still check with l2arc? >> > > The checksums are in memory not on disk. > > >> it could be especially useful in cluster config - you switch your >> database with your pool to another node and l2arc is already warm >> (hot!). >> > > Indeed but that would require putting the checksums on disk. > > I have heard rumour of a plan to do that, not sure if your example is > the motivation or not. > >
See CR6662467 http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6662467 -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
