On Mar 24, 2010, at 10:05 AM, Svein Skogen wrote: > On 24.03.2010 17:42, Richard Elling wrote: >> Nonvolatile write caches are not a problem. > > Which is why ZFS isn't a replacement for proper array controllers (defining > proper as those with sufficient battery to leave you with a seemingly intact > filesystem), but a very nice augmentation for them. ;)
Nothing prevents a clever chap from building a ZFS-based array controller which includes nonvolatile write cache. However, the economics suggest that the hybrid storage pool model can provide a highly dependable service at a lower price-point than the traditional array designs. > As "someone" pointed out in another thread: Proper storage still takes proper > planning. ;) Good advice :-) -- richard ZFS storage and performance consulting at http://www.RichardElling.com ZFS training on deduplication, NexentaStor, and NAS performance Las Vegas, April 29-30, 2010 http://nexenta-vegas.eventbrite.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss