On Mon, April 12, 2010 10:48, Tomas Ögren wrote: > On 12 April, 2010 - Bob Friesenhahn sent me these 0,9K bytes: > >> Zfs is designed for high thoughput, and TRIM does not seem to improve >> throughput. Perhaps it is most useful for low-grade devices like USB >> dongles and compact flash. > > For flash to overwrite a block, it needs to clear it first.. so yes, > clearing it out in the background (after erasing) instead of just before > the timing critical write(), you can make stuff go faster.
Except that ZFS does not overwrite blocks because it is copy-on-write. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss