On Tue, Apr 05, 2016 at 01:33:30AM +1000, Chris Dunlop wrote: > On Sun, Apr 03, 2016 at 09:27:22AM -0400, Sage Weil wrote: > > In any case, it seems like the way to proceed is to have a variable length > > checksum_block_size, since we need that anyway for other reasons (e.g., > > balancing minimum read size and read amplification for small IOs vs > > metadata overhead). > > Or a selectable checksum routine (like ZFS)? If going this way, the > checksum_type would determine the checksum_block_size. ...and, also like ZFS, a cryptographic strength checksum could tie in with Marcel's deduplication effort. Chris -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html