On Feb 24, 2012, at 7:41 PM, Richard Pieri wrote: > > ashift=12 (4K alignment) and recreated my RAID-Z pool. The result: sustained > write performance has gone from 10MB/s to 30MB/s. Not a bad gain for a > simple fix (and a few hours of digging for it :).
I must correct myself. That 30MB/s figure appears to be the I/O limit on the USB disk dock that I'm using to restore my ZFS snapshots. A restore (zfs receive) along with the command "dd if=/dev/zero of=zero bs=4k" to the same pool is showing sustained 60MB/s write performance (20MB/s per spindle). I need to figure out how to get the eSATA port on the disk dock working. :) --Rich P. _______________________________________________ Discuss mailing list [email protected] http://lists.blu.org/mailman/listinfo/discuss
