Nicholas Lee writes: > Another option to look at is: > set zfs:zfs_nocacheflush=1 > http://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide > > Best option is to get a a fast ZIL log device. > > > Depends on your pool as well. NFS+ZFS means zfs will wait for write > completes before responding to a sync NFS write ops. If you have a RAIDZ > array, writes will be slower than a RAID10 style pool. >
Nicholas, Raid-Z requires a more complexity in software however the total amount of I/O to disk is less than raid-10. So the net performance effect is often in favor of Raid-10 must not necessarely so. -r _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
