>> OpenSolaris needs support for the TRIM command for SSDs. This command is >> issued to an SSD to indicate that a block is no longer in use and the SSD >> may erase it in preparation for future writes. > > There does not seem to be very much `need' since there are other ways that a > SSD can know that a block is no longer in use so it can be erased. In fact, > ZFS already uses an algorithm (COW) which is friendly for SSDs.
What ways would that be? _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
