On 12 April, 2010 - David Magda sent me these 0,7K bytes: > 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.
So CoW will enable infinite storage, so you never have to write on the same place again? Cool. /Tomas -- Tomas Ögren, st...@acc.umu.se, http://www.acc.umu.se/~stric/ |- Student at Computing Science, University of Umeå `- Sysadmin at {cs,acc}.umu.se _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
