On Wed, Mar 24, 2010 at 08:02:06PM +0100, Svein Skogen wrote: > Maybe someone should look at implementing the zfs code for the XScale > range of io-processors (such as the IOP333)?
NetBSD runs on (many of) those. NetBSD has an (in-progress, still-some-issues) ZFS port. Hopefully they will converge in due course to provide exactly this. The particularly nice thing would be that, using ZFS in the "RAID controller firmware" like this would result in contents that are interchangable with standard zfs, needing just an import/export. This is a big improvement over many other dedicated raid solutions, and provides good comfort when thinking about recovery scenarios for a controller failure. Unfortunately, it would mostly be only useful with zvols for presentation to the host - there's not a good interface, and usually not much RAM, for the controller to run all the ZPL layer. That would still be useful for controllers running in non-ZFS servers, as an alternative to external boxes with comstar and various transports. If you could find a way to get a zfs send/recv stream through from the controller, though, some interesting deployment possibilities open up. -- Dan.
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