diff --git a/tests/nvme/004 b/tests/nvme/004
index 9dda538b1ac0..cab98ff44326 100755
--- a/tests/nvme/004
+++ b/tests/nvme/004
@@ -25,7 +25,7 @@ test() {
 	local port
 	port="$(_create_nvmet_port "${nvme_trtype}")"
 
-	truncate -s 1G "$TMPDIR/img"
+	truncate -s "${nvme_img_size}" "$TMPDIR/img"
 
 	local loop_dev
 	loop_dev="$(losetup -f --show "$TMPDIR/img")"
diff --git a/tests/nvme/005 b/tests/nvme/005
index de567a74a891..8e15a13f3794 100755
--- a/tests/nvme/005
+++ b/tests/nvme/005
@@ -24,7 +24,7 @@ test() {
 	local port
 	port="$(_create_nvmet_port "${nvme_trtype}")"
 
-	truncate -s 1G "$TMPDIR/img"
+	truncate -s "${nvme_img_size}" "$TMPDIR/img"
 
 	local loop_dev
 	loop_dev="$(losetup -f --show "$TMPDIR/img")"
diff --git a/tests/nvme/006 b/tests/nvme/006
index d993861c06ba..ea0db93791a7 100755
--- a/tests/nvme/006
+++ b/tests/nvme/006
@@ -24,7 +24,7 @@ test() {
 
 	_setup_nvmet
 
-	truncate -s 1G "$TMPDIR/img"
+	truncate -s "${nvme_img_size}" "$TMPDIR/img"
 
 	loop_dev="$(losetup -f --show "$TMPDIR/img")"
 
diff --git a/tests/nvme/007 b/tests/nvme/007
index d53100f3ff7b..243a79f5a254 100755
--- a/tests/nvme/007
+++ b/tests/nvme/007
@@ -25,7 +25,7 @@ test() {
 
 	file_path="${TMPDIR}/img"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/008 b/tests/nvme/008
index 5568fe46e463..5abc4240ca46 100755
--- a/tests/nvme/008
+++ b/tests/nvme/008
@@ -26,7 +26,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
diff --git a/tests/nvme/009 b/tests/nvme/009
index 2814c79164ee..491d3c809ab0 100755
--- a/tests/nvme/009
+++ b/tests/nvme/009
@@ -24,7 +24,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/010 b/tests/nvme/010
index b7b1d5188e9b..2f81610699d4 100755
--- a/tests/nvme/010
+++ b/tests/nvme/010
@@ -26,7 +26,7 @@ test() {
 	local file_path="${TMPDIR}/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
@@ -41,7 +41,7 @@ test() {
 	cat "/sys/block/${nvmedev}n1/uuid"
 	cat "/sys/block/${nvmedev}n1/wwid"
 
-	_run_fio_verify_io --size=950m --filename="/dev/${nvmedev}n1"
+	_run_fio_verify_io --filename="/dev/${nvmedev}n1"
 
 	_nvme_disconnect_subsys "${subsys_name}"
 
diff --git a/tests/nvme/011 b/tests/nvme/011
index 4bfe9af084e4..d8504b71d7d5 100755
--- a/tests/nvme/011
+++ b/tests/nvme/011
@@ -26,7 +26,7 @@ test() {
 	local file_path="${TMPDIR}/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
@@ -39,7 +39,7 @@ test() {
 	cat "/sys/block/${nvmedev}n1/uuid"
 	cat "/sys/block/${nvmedev}n1/wwid"
 
-	_run_fio_verify_io --size=950m --filename="/dev/${nvmedev}n1"
+	_run_fio_verify_io --filename="/dev/${nvmedev}n1"
 
 	_nvme_disconnect_subsys "${subsys_name}"
 
diff --git a/tests/nvme/012 b/tests/nvme/012
index e60082c2e751..1fb36e33d574 100755
--- a/tests/nvme/012
+++ b/tests/nvme/012
@@ -29,7 +29,7 @@ test() {
 	local file_path="${TMPDIR}/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
@@ -44,7 +44,7 @@ test() {
 	cat "/sys/block/${nvmedev}n1/uuid"
 	cat "/sys/block/${nvmedev}n1/wwid"
 
-	_xfs_run_fio_verify_io "/dev/${nvmedev}n1" "900m"
+	_xfs_run_fio_verify_io "/dev/${nvmedev}n1" "${nvme_img_size}"
 
 	_nvme_disconnect_subsys "${subsys_name}"
 
diff --git a/tests/nvme/013 b/tests/nvme/013
index 9d60a7df4577..2c6e4d707d3c 100755
--- a/tests/nvme/013
+++ b/tests/nvme/013
@@ -28,7 +28,7 @@ test() {
 
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
@@ -41,7 +41,7 @@ test() {
 	cat "/sys/block/${nvmedev}n1/uuid"
 	cat "/sys/block/${nvmedev}n1/wwid"
 
-	_xfs_run_fio_verify_io "/dev/${nvmedev}n1" "900m"
+	_xfs_run_fio_verify_io "/dev/${nvmedev}n1" "${nvme_img_size}"
 
 	_nvme_disconnect_subsys "${subsys_name}"
 
diff --git a/tests/nvme/014 b/tests/nvme/014
index d13cff7921da..3f3193bb6583 100755
--- a/tests/nvme/014
+++ b/tests/nvme/014
@@ -26,7 +26,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
@@ -41,7 +41,13 @@ test() {
 	cat "/sys/block/${nvmedev}n1/uuid"
 	cat "/sys/block/${nvmedev}n1/wwid"
 
-	dd if=/dev/urandom of="/dev/${nvmedev}n1" count=128000 bs=4k status=none
+	local sectors
+	local bs
+	sectors="$(blockdev --getss "/dev/${nvmedev}n1")"
+	bs="$(blockdev --getbsz "/dev/${nvmedev}n1")"
+
+	dd if=/dev/urandom of="/dev/${nvmedev}n1" \
+		count="${sectors}" bs="${bs}" status=none
 
 	nvme flush "/dev/${nvmedev}" -n 1
 
diff --git a/tests/nvme/015 b/tests/nvme/015
index bb52ba2598db..20fe17c589e1 100755
--- a/tests/nvme/015
+++ b/tests/nvme/015
@@ -25,7 +25,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		 "91fdba0d-f87b-4c25-b80f-db7be1418b9e"
@@ -38,7 +38,13 @@ test() {
 	cat "/sys/block/${nvmedev}n1/uuid"
 	cat "/sys/block/${nvmedev}n1/wwid"
 
-	dd if=/dev/urandom of="/dev/${nvmedev}n1" count=128000 bs=4k status=none
+	local sectors
+	local bs
+	sectors="$(blockdev --getss "/dev/${nvmedev}n1")"
+	bs="$(blockdev --getbsz "/dev/${nvmedev}n1")"
+
+	dd if=/dev/urandom of="/dev/${nvmedev}n1" \
+		count="${sectors}" bs="${bs}" status=none
 
 	nvme flush "/dev/${nvmedev}n1" -n 1
 
diff --git a/tests/nvme/017 b/tests/nvme/017
index f2a95cf276cb..0248aee9bc41 100755
--- a/tests/nvme/017
+++ b/tests/nvme/017
@@ -25,7 +25,7 @@ test() {
 
 	file_path="${TMPDIR}/img"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/018 b/tests/nvme/018
index 315e79534348..78e9b2bb94d8 100755
--- a/tests/nvme/018
+++ b/tests/nvme/018
@@ -26,7 +26,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		 "91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/019 b/tests/nvme/019
index 4cb3509a12b2..9fff8ccaac9c 100755
--- a/tests/nvme/019
+++ b/tests/nvme/019
@@ -28,7 +28,7 @@ test() {
 	local nblk_range="10,10,10,10,10,10,10,10,10,10"
 	local sblk_range="100,200,300,400,500,600,700,800,900,1000"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
diff --git a/tests/nvme/020 b/tests/nvme/020
index 16fdfcc94918..1966d5925213 100755
--- a/tests/nvme/020
+++ b/tests/nvme/020
@@ -26,7 +26,7 @@ test() {
 	local nblk_range="10,10,10,10,10,10,10,10,10,10"
 	local sblk_range="100,200,300,400,500,600,700,800,900,1000"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/021 b/tests/nvme/021
index 6ee0af1fe158..1fefc0fbca00 100755
--- a/tests/nvme/021
+++ b/tests/nvme/021
@@ -25,7 +25,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/022 b/tests/nvme/022
index 1d76ffa44178..1ff915786f86 100755
--- a/tests/nvme/022
+++ b/tests/nvme/022
@@ -25,7 +25,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/023 b/tests/nvme/023
index b65be07edc38..90316230a3d7 100755
--- a/tests/nvme/023
+++ b/tests/nvme/023
@@ -26,7 +26,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
diff --git a/tests/nvme/024 b/tests/nvme/024
index f756797d6f29..384a8266e741 100755
--- a/tests/nvme/024
+++ b/tests/nvme/024
@@ -25,7 +25,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/025 b/tests/nvme/025
index 941bf36f67fb..815223d1c28d 100755
--- a/tests/nvme/025
+++ b/tests/nvme/025
@@ -25,7 +25,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/026 b/tests/nvme/026
index c3f06c2a377c..d2203f19f026 100755
--- a/tests/nvme/026
+++ b/tests/nvme/026
@@ -25,7 +25,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/027 b/tests/nvme/027
index 0ad663ace811..97fe70e78344 100755
--- a/tests/nvme/027
+++ b/tests/nvme/027
@@ -25,7 +25,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/028 b/tests/nvme/028
index 7de977a81213..c539620bee28 100755
--- a/tests/nvme/028
+++ b/tests/nvme/028
@@ -25,7 +25,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/029 b/tests/nvme/029
index f8b4cbbb9156..1808b7b0edf1 100755
--- a/tests/nvme/029
+++ b/tests/nvme/029
@@ -14,6 +14,7 @@ requires() {
 	_nvme_requires
 	_have_loop
 	_require_nvme_trtype_is_fabrics
+	_require_test_dev_size 1M
 }
 
 test_user_io()
@@ -59,7 +60,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
diff --git a/tests/nvme/031 b/tests/nvme/031
index 4e1798246db1..e70898819a86 100755
--- a/tests/nvme/031
+++ b/tests/nvme/031
@@ -33,7 +33,7 @@ test() {
 
 	_setup_nvmet
 
-	truncate -s 1G "$TMPDIR/img"
+	truncate -s "${nvme_img_size}" "$TMPDIR/img"
 
 	loop_dev="$(losetup -f --show "$TMPDIR/img")"
 
diff --git a/tests/nvme/032 b/tests/nvme/032
index 017d4a339971..1a467119a2ff 100755
--- a/tests/nvme/032
+++ b/tests/nvme/032
@@ -38,8 +38,8 @@ test_device() {
 	sysfs="/sys/bus/pci/devices/${pdev}"
 
 	# start fio job
-	_run_fio_rand_io --filename="$TEST_DEV" --size=1g \
-		--group_reporting  &> /dev/null &
+	_run_fio_rand_io --filename="$TEST_DEV" --size=256M \
+		--group_reporting --time_based --runtime=1m > /dev/null &
 
 	sleep 5
 
diff --git a/tests/nvme/034 b/tests/nvme/034
index f92e5e20865b..e0ede717c373 100755
--- a/tests/nvme/034
+++ b/tests/nvme/034
@@ -26,7 +26,7 @@ test_device() {
 	port=$(_nvmet_passthru_target_setup "${subsys}")
 	nsdev=$(_nvmet_passthru_target_connect "${nvme_trtype}" "${subsys}")
 
-	_run_fio_verify_io --size=950m --filename="${nsdev}"
+	_run_fio_verify_io --size="${nvme_img_size}" --filename="${nsdev}"
 
 	_nvme_disconnect_subsys "${subsys}"
 	_nvmet_passthru_target_cleanup "${port}" "${subsys}"
diff --git a/tests/nvme/035 b/tests/nvme/035
index eb1024edddbf..0896f7bb578d 100755
--- a/tests/nvme/035
+++ b/tests/nvme/035
@@ -17,7 +17,7 @@ requires() {
 }
 
 device_requires() {
-	_require_test_dev_size 1024m
+	_require_test_dev_size "${nvme_img_size}"
 }
 
 test_device() {
@@ -32,7 +32,7 @@ test_device() {
 	port=$(_nvmet_passthru_target_setup "${subsys}")
 	nsdev=$(_nvmet_passthru_target_connect "${nvme_trtype}" "${subsys}")
 
-	_xfs_run_fio_verify_io "${nsdev}" "900m"
+	_xfs_run_fio_verify_io "${nsdev}" "${nvme_img_size}"
 
 	_nvme_disconnect_subsys "${subsys}"
 	_nvmet_passthru_target_cleanup "${port}" "${subsys}"
diff --git a/tests/nvme/040 b/tests/nvme/040
index 04bd726cd309..885e5ed68fe6 100755
--- a/tests/nvme/040
+++ b/tests/nvme/040
@@ -25,7 +25,7 @@ test() {
 	echo "Running ${TEST_NAME}"
 
 	_setup_nvmet
-	truncate -s 1G "$TMPDIR/img"
+	truncate -s ${nvme_img_size} "$TMPDIR/img"
 	loop_dev="$(losetup -f --show "$TMPDIR/img")"
 
 	port="$(_create_nvmet_port "${nvme_trtype}")"
@@ -37,7 +37,7 @@ test() {
 
 	# start fio job
 	echo "starting background fio"
-	_run_fio_rand_io --filename="/dev/${nvmedev}n1" --size=1g \
+	_run_fio_rand_io --filename="/dev/${nvmedev}n1" --size="${nvme_img_size}" \
 		--group_reporting --ramp_time=5  &> /dev/null &
 	sleep 5
 
diff --git a/tests/nvme/041 b/tests/nvme/041
index 03e2dab25918..308655dd6090 100755
--- a/tests/nvme/041
+++ b/tests/nvme/041
@@ -44,7 +44,7 @@ test() {
 
 	_setup_nvmet
 
-	truncate -s 512M "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"b92842df-a394-44b1-84a4-92ae7d112861"
diff --git a/tests/nvme/042 b/tests/nvme/042
index 4ad726f72f5a..fed2efead013 100755
--- a/tests/nvme/042
+++ b/tests/nvme/042
@@ -41,7 +41,7 @@ test() {
 
 	_setup_nvmet
 
-	truncate -s 512M "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}"
 	port="$(_create_nvmet_port "${nvme_trtype}")"
diff --git a/tests/nvme/043 b/tests/nvme/043
index c031cecf34a5..a030884aa4ed 100755
--- a/tests/nvme/043
+++ b/tests/nvme/043
@@ -42,7 +42,7 @@ test() {
 
 	_setup_nvmet
 
-	truncate -s 512M "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}"
 	port="$(_create_nvmet_port "${nvme_trtype}")"
diff --git a/tests/nvme/044 b/tests/nvme/044
index f2406ecadf7d..9928bcc55397 100755
--- a/tests/nvme/044
+++ b/tests/nvme/044
@@ -53,7 +53,7 @@ test() {
 
 	_setup_nvmet
 
-	truncate -s 512M "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}"
 	port="$(_create_nvmet_port "${nvme_trtype}")"
diff --git a/tests/nvme/045 b/tests/nvme/045
index 612e5f168e3c..7c51da27b5f1 100755
--- a/tests/nvme/045
+++ b/tests/nvme/045
@@ -55,7 +55,7 @@ test() {
 
 	_setup_nvmet
 
-	truncate -s 512M "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}"
 	port="$(_create_nvmet_port "${nvme_trtype}")"
diff --git a/tests/nvme/047 b/tests/nvme/047
index d56d3be185b0..b5a8d469a983 100755
--- a/tests/nvme/047
+++ b/tests/nvme/047
@@ -28,7 +28,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 512M "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
diff --git a/tests/nvme/048 b/tests/nvme/048
index b4ee7371eb68..08fdee16c811 100755
--- a/tests/nvme/048
+++ b/tests/nvme/048
@@ -84,7 +84,7 @@ test() {
 	fi
 	hostnqn="nqn.2014-08.org.nvmexpress:uuid:${hostid}"
 
-	truncate -s 512M "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"b92842df-a394-44b1-84a4-92ae7d112861"
diff --git a/tests/nvme/rc b/tests/nvme/rc
index 41f196b037d6..e6075e31178f 100644
--- a/tests/nvme/rc
+++ b/tests/nvme/rc
@@ -17,6 +17,7 @@ def_local_wwpn="0x20001100aa000002"
 def_hostnqn="$(cat /etc/nvme/hostnqn 2> /dev/null)"
 def_hostid="$(cat /etc/nvme/hostid 2> /dev/null)"
 nvme_trtype=${nvme_trtype:-"loop"}
+nvme_img_size=${nvme_img_size:-"64M"}
 
 _nvme_requires() {
 	_have_program nvme
