ZFS enables the write cache and flushes it when committing transaction groups; this insures that all of a transaction group appears or does not appear on disk.
It also flushes the disk write cache before returning from every synchronous request (eg fsync, O_DSYNC). This is done after writing out the intent log blocks. Neil _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
