Index: projects/zfsd/head/tests/sys/cddl/zfs/tests/zfsd/zfsd.kshlib
===================================================================
--- projects/zfsd/head/tests/sys/cddl/zfs/tests/zfsd/zfsd.kshlib	(revision 329751)
+++ projects/zfsd/head/tests/sys/cddl/zfs/tests/zfsd/zfsd.kshlib	(revision 329752)
@@ -1,83 +1,83 @@
 #!/usr/local/bin/ksh93 -p
 # vim: filetype=sh
 #
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
 # Common Development and Distribution License (the "License").
 # You may not use this file except in compliance with the License.
 #
 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 # or http://www.opensolaris.org/os/licensing.
 # See the License for the specific language governing permissions
 # and limitations under the License.
 #
 # When distributing Covered Code, include this CDDL HEADER in each
 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 # If applicable, add the following below this CDDL HEADER, with the
 # fields enclosed by brackets "[]" replaced with your own identifying
 # information: Portions Copyright [yyyy] [name of copyright owner]
 #
 # CDDL HEADER END
 #
 
 #
 # Copyright 2013 Spectra Logic.  All rights reserved.
 # Use is subject to license terms.
 #
 
 # Common routines used by multiple zfsd tests
 
 function wait_for_pool_dev_state_change
 {
 	typeset -i timeout=$1
 	typeset disk=$2
 	typeset state=$3
 
 	log_note "Waiting up to $timeout seconds for $disk to become $state ..."
 	for ((; $timeout > 0; timeout=$timeout-1)); do
 		check_state $TESTPOOL "$disk" "$state"
 		[ $? -eq 0 ] && return
 		$SLEEP 1
 	done
 	log_must $ZPOOL status $TESTPOOL
 	log_fail "ERROR: Disk $disk not marked as $state in $TESTPOOL"
 }
 
 function wait_for_pool_removal
 {
 	typeset -i timeout=$1
 	wait_for_pool_dev_state_change $timeout $REMOVAL_DISK "REMOVED|UNAVAIL"
 }
 
 function wait_until_scrubbed
 {
 	typeset pool=$1
 
 	while is_pool_scrubbing $pool; do
 		log_note "$pool still scrubbing..."
 		$SLEEP 1
 	done
 }
 
 function corrupt_pool_vdev
 {
 	typeset pool=$1
 	typeset vdev=$2
 	typeset file=$3
 
 	# do some IO on the pool
-	log_must $DD if=/dev/zero of=$file bs=1024k count=128
+	log_must $DD if=/dev/zero of=$file bs=1024k count=64
 	$FSYNC $file
 
 	# scribble on the underlying file to corrupt the vdev
 	log_must $DD if=/dev/urandom of=$vdev bs=1024k count=64 conv=notrunc
 
 	# Scrub the pool to detect the corruption
 	log_must $ZPOOL scrub $pool
 	wait_until_scrubbed $pool
 
 	# ZFSD can take up to 60 seconds to degrade an array in response to
 	# errors (though it's usually faster).  
 	wait_for_pool_dev_state_change 60 $vdev DEGRADED
 }