diff --git a/tests/cases/100_volume/050_flock_volume/check_flock.sh b/tests/cases/100_volume/050_flock_volume/check_flock.sh
new file mode 100644
index 0000000..ee73bc7
--- /dev/null
+++ b/tests/cases/100_volume/050_flock_volume/check_flock.sh
@@ -0,0 +1,28 @@
+#! /bin/sh
+
+set -e
+set -x
+
+FILE=$1
+ret=0
+
+# First check that flock works
+flock -x "$FILE" echo "flock works"
+
+# disable exit on error as we expect an error below
+set +e
+
+# start a background process locking a file
+flock -x "$FILE" sleep 1000 &
+pid=$!
+
+# try to lock the file
+flock -xn "$FILE" echo "locked although locked"
+res=$?
+[ $res -eq 0 ] && $ret = 1 # If we did not get an error this test failed
+
+# clean up
+kill $pid
+flock -u "$FILE" echo "unlocked"
+
+exit $ret
diff --git a/tests/cases/100_volume/050_flock_volume/test.ps1 b/tests/cases/100_volume/050_flock_volume/test.ps1
new file mode 100644
index 0000000..90844e7
--- /dev/null
+++ b/tests/cases/100_volume/050_flock_volume/test.ps1
@@ -0,0 +1,27 @@
+# SUMMARY: Check that flock() works on a shared volume
+# LABELS:
+# REPEAT:
+
+$libBase = Join-Path -Path $env:RT_PROJECT_ROOT -ChildPath _lib
+$lib = Join-Path -Path $libBase -ChildPath lib.ps1
+. $lib
+
+$ret = 0
+
+$fileName = "lockfile"
+$testPath = Join-Path -Path $env:TEST_TMP -ChildPath $fileName
+
+Remove-Item -Force -Recurse -ErrorAction Ignore -Path $env:TEST_TMP
+New-Item -ItemType Directory -Force -Path $env:TEST_TMP
+
+$p = [string]$pwd.Path
+docker run --platform linux --rm `
+  -v $env:TEST_TMP`:/test `
+  -v $p`:/script `
+  -e TZ=UTC alpine:3.7 sh /script/check_flock.sh /test/$fileName
+if ($lastexitcode -ne 0) {
+    $ret = 1
+}
+
+Remove-Item -Force -Recurse -ErrorAction Ignore -Path $env:TEST_TMP
+exit $ret
diff --git a/tests/cases/100_volume/052_flock_volume_containers/check_flock.sh b/tests/cases/100_volume/052_flock_volume_containers/check_flock.sh
new file mode 100644
index 0000000..79d9fb0
--- /dev/null
+++ b/tests/cases/100_volume/052_flock_volume_containers/check_flock.sh
@@ -0,0 +1,21 @@
+#! /bin/sh
+
+set -x
+
+FILE=$1
+ret=0
+
+# start a background process locking a file
+flock -x "$FILE" sleep 1000 &
+pid=$!
+
+# try to lock the file
+flock -xn "$FILE" echo "locked although locked"
+res=$?
+[ $res -eq 0 ] && $ret = 1 # If we did not get an error this test failed
+
+# clean up
+kill $pid
+flock -u "$FILE" echo "unlocked"
+
+exit $ret
diff --git a/tests/cases/100_volume/052_flock_volume_containers/test.ps1 b/tests/cases/100_volume/052_flock_volume_containers/test.ps1
new file mode 100644
index 0000000..d290709
--- /dev/null
+++ b/tests/cases/100_volume/052_flock_volume_containers/test.ps1
@@ -0,0 +1,41 @@
+# SUMMARY: Check that flock() works between containers sharing the same volume
+# LABELS:
+# REPEAT:
+
+$libBase = Join-Path -Path $env:RT_PROJECT_ROOT -ChildPath _lib
+$lib = Join-Path -Path $libBase -ChildPath lib.ps1
+. $lib
+
+$ret = 0
+
+$fileName = "lockfile"
+$testPath = Join-Path -Path $env:TEST_TMP -ChildPath $fileName
+$containerName = $env:RT_TEST_NAME
+
+Remove-Item -Force -Recurse -ErrorAction Ignore -Path $env:TEST_TMP
+New-Item -ItemType Directory -Force -Path $env:TEST_TMP
+
+# Check that flock works first
+docker run --platform linux --rm --name $containerName -v $env:TEST_TMP`:/test alpine:3.7 `
+  flock -x /test/$fileName echo "flock works"
+if ($lastexitcode -ne 0) {
+    Remove-Item -Force -Recurse -ErrorAction Ignore -Path $env:TEST_TMP
+    exit 1
+}
+
+# Start a container in the background which locks the file
+docker run --platform linux --rm -d --name $containerName -v $env:TEST_TMP`:/test alpine:3.7 `
+  flock -x /test/$fileName sleep 1000
+
+# Start another container trying to lock the same file. This should fail
+docker run --platform linux --rm -v $env:TEST_TMP`:/test alpine:3.7 `
+  flock -xn /test/$fileName echo "locked although locked"
+if ($lastexitcode -eq 0) {
+    $ret = 1
+}
+
+# remove the background container
+docker kill $containerName
+
+Remove-Item -Force -Recurse -ErrorAction Ignore -Path $env:TEST_TMP
+exit $ret
diff --git a/tests/cases/100_volume/150_utime/test.ps1 b/tests/cases/100_volume/150_utime/test.ps1
index f0216b7..7a2bc16 100644
--- a/tests/cases/100_volume/150_utime/test.ps1
+++ b/tests/cases/100_volume/150_utime/test.ps1
@@ -17,7 +17,7 @@ New-Item -ItemType Directory -Force -Path $env:TEST_TMP
 #
 # Create a file in a container and check on the host
 #
-docker run --rm -v  $env:TEST_TMP`:/test -e TZ=UTC alpine touch -t 197002010000.00 /test/$fileName
+docker run --rm -v  $env:TEST_TMP`:/test -e TZ=UTC alpine:3.7 touch -t 197002010000.00 /test/$fileName
 
 # check timestamp
 $expected = Get-Date -Date "1970-02-01 00:00:00Z"
@@ -41,7 +41,7 @@ $p = [string]$pwd.Path
 docker run --platform linux --rm `
   -v $env:TEST_TMP`:/test `
   -v $p`:/script `
-  -e TZ=UTC alpine sh /script/check_time.sh /test/$fileName
+  -e TZ=UTC alpine:3.7 sh /script/check_time.sh /test/$fileName
 if ($lastexitcode -ne 0) {
     $ret = 1
 }
diff --git a/tests/cases/900_perf/100_volume/010_dd_200MB_1KB_blocks/test.ps1 b/tests/cases/900_perf/100_volume/010_dd/010_200MB_1KB_blocks/test.ps1
similarity index 100%
rename from tests/cases/900_perf/100_volume/010_dd_200MB_1KB_blocks/test.ps1
rename to tests/cases/900_perf/100_volume/010_dd/010_200MB_1KB_blocks/test.ps1
diff --git a/tests/cases/900_perf/100_volume/012_dd_200MB_4KB_blocks/test.ps1 b/tests/cases/900_perf/100_volume/010_dd/012_200MB_4KB_blocks/test.ps1
similarity index 100%
rename from tests/cases/900_perf/100_volume/012_dd_200MB_4KB_blocks/test.ps1
rename to tests/cases/900_perf/100_volume/010_dd/012_200MB_4KB_blocks/test.ps1
diff --git a/tests/cases/900_perf/100_volume/014_dd_200MB_16KB_blocks/test.ps1 b/tests/cases/900_perf/100_volume/010_dd/014_200MB_16KB_blocks/test.ps1
similarity index 100%
rename from tests/cases/900_perf/100_volume/014_dd_200MB_16KB_blocks/test.ps1
rename to tests/cases/900_perf/100_volume/010_dd/014_200MB_16KB_blocks/test.ps1
diff --git a/tests/cases/900_perf/100_volume/016_dd_200MB_64KB_blocks/test.ps1 b/tests/cases/900_perf/100_volume/010_dd/016_200MB_64KB_blocks/test.ps1
similarity index 100%
rename from tests/cases/900_perf/100_volume/016_dd_200MB_64KB_blocks/test.ps1
rename to tests/cases/900_perf/100_volume/010_dd/016_200MB_64KB_blocks/test.ps1
diff --git a/tests/cases/900_perf/100_volume/018_dd_200MB_1MB_blocks/test.ps1 b/tests/cases/900_perf/100_volume/010_dd/018_200MB_1MB_blocks/test.ps1
similarity index 100%
rename from tests/cases/900_perf/100_volume/018_dd_200MB_1MB_blocks/test.ps1
rename to tests/cases/900_perf/100_volume/010_dd/018_200MB_1MB_blocks/test.ps1
diff --git a/tests/cases/900_perf/100_volume/020_dd_100MB_4KB_blocks_parallel/dd_5_parallel.sh b/tests/cases/900_perf/100_volume/010_dd/020_100MB_4KB_blocks_parallel/dd_5_parallel.sh
similarity index 100%
rename from tests/cases/900_perf/100_volume/020_dd_100MB_4KB_blocks_parallel/dd_5_parallel.sh
rename to tests/cases/900_perf/100_volume/010_dd/020_100MB_4KB_blocks_parallel/dd_5_parallel.sh
diff --git a/tests/cases/900_perf/100_volume/020_dd_100MB_4KB_blocks_parallel/test.ps1 b/tests/cases/900_perf/100_volume/010_dd/020_100MB_4KB_blocks_parallel/test.ps1
similarity index 100%
rename from tests/cases/900_perf/100_volume/020_dd_100MB_4KB_blocks_parallel/test.ps1
rename to tests/cases/900_perf/100_volume/010_dd/020_100MB_4KB_blocks_parallel/test.ps1
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/010_stat_5000_files/run.sh b/tests/cases/900_perf/100_volume/020_single_dir/010_stat_5000_files/run.sh
new file mode 100644
index 0000000..2035559
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/010_stat_5000_files/run.sh
@@ -0,0 +1,9 @@
+#! /bin/sh
+
+set -e
+# don't set -x as it creates a lot of noise
+
+DIR=$1
+
+# find calls lstat()
+find "$DIR" -type f > dev/null
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/010_stat_5000_files/test.ps1 b/tests/cases/900_perf/100_volume/020_single_dir/010_stat_5000_files/test.ps1
new file mode 100644
index 0000000..ed50d39
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/010_stat_5000_files/test.ps1
@@ -0,0 +1,22 @@
+# SUMMARY: Stat 5000 files in a single directory created on the host
+# LABELS:
+# REPEAT:
+
+$libBase = Join-Path -Path $env:RT_PROJECT_ROOT -ChildPath _lib
+$lib = Join-Path -Path $libBase -ChildPath lib.ps1
+. $lib
+
+$ret = 0
+
+$testPath = Join-Path -Path $env:TEST_TMP_ROOT -ChildPath "single-dir-stat"
+
+$p = [string]$pwd.Path
+docker run --platform linux --rm `
+  -v $testPath`:/test `
+  -v $p`:/script `
+  alpine:3.7 sh /script/run.sh /test
+if ($lastexitcode -ne 0) {
+    $ret = 1
+}
+
+exit $ret
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/015_stat_5000_non_existing_files/run.sh b/tests/cases/900_perf/100_volume/020_single_dir/015_stat_5000_non_existing_files/run.sh
new file mode 100644
index 0000000..322c846
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/015_stat_5000_non_existing_files/run.sh
@@ -0,0 +1,11 @@
+#! /bin/sh
+
+# set -e
+# don't set -x as it creates a lot of noise
+
+DIR=$1
+
+for i in $(seq 5000); do
+    stat "$DIR/file-$i" 2> /dev/null
+done
+exit 0
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/015_stat_5000_non_existing_files/test.ps1 b/tests/cases/900_perf/100_volume/020_single_dir/015_stat_5000_non_existing_files/test.ps1
new file mode 100644
index 0000000..067dc00
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/015_stat_5000_non_existing_files/test.ps1
@@ -0,0 +1,24 @@
+# SUMMARY: Stat 5000 non-existing files in a single directory on a shared volume
+# LABELS:
+# REPEAT:
+
+$libBase = Join-Path -Path $env:RT_PROJECT_ROOT -ChildPath _lib
+$lib = Join-Path -Path $libBase -ChildPath lib.ps1
+. $lib
+
+$ret = 0
+
+Remove-Item -Force -Recurse -ErrorAction Ignore -Path $env:TEST_TMP
+New-Item -ItemType Directory -Force -Path $env:TEST_TMP
+
+$p = [string]$pwd.Path
+docker run --platform linux --rm `
+  -v $env:TEST_TMP`:/test `
+  -v $p`:/script `
+  alpine:3.7 sh /script/run.sh /test
+if ($lastexitcode -ne 0) {
+    $ret = 1
+}
+
+Remove-Item -Force -Recurse -ErrorAction Ignore -Path $env:TEST_TMP
+exit $ret
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/020_touch_5000_files/run.sh b/tests/cases/900_perf/100_volume/020_single_dir/020_touch_5000_files/run.sh
new file mode 100644
index 0000000..9763b85
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/020_touch_5000_files/run.sh
@@ -0,0 +1,10 @@
+#! /bin/sh
+
+set -e
+# don't set -x as it creates a lot of noise
+
+DIR=$1
+
+for i in $(seq 5000); do
+    touch "$DIR/file-$i"
+done
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/020_touch_5000_files/test.ps1 b/tests/cases/900_perf/100_volume/020_single_dir/020_touch_5000_files/test.ps1
new file mode 100644
index 0000000..e5647da
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/020_touch_5000_files/test.ps1
@@ -0,0 +1,24 @@
+# SUMMARY: Create 5000 files in a single directory on a shared volume
+# LABELS:
+# REPEAT:
+
+$libBase = Join-Path -Path $env:RT_PROJECT_ROOT -ChildPath _lib
+$lib = Join-Path -Path $libBase -ChildPath lib.ps1
+. $lib
+
+$ret = 0
+
+Remove-Item -Force -Recurse -ErrorAction Ignore -Path $env:TEST_TMP
+New-Item -ItemType Directory -Force -Path $env:TEST_TMP
+
+$p = [string]$pwd.Path
+docker run --platform linux --rm `
+  -v $env:TEST_TMP`:/test `
+  -v $p`:/script `
+  alpine:3.7 sh /script/run.sh /test
+if ($lastexitcode -ne 0) {
+    $ret = 1
+}
+
+Remove-Item -Force -Recurse -ErrorAction Ignore -Path $env:TEST_TMP
+exit $ret
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/030_touch_stat_5000_files/run.sh b/tests/cases/900_perf/100_volume/020_single_dir/030_touch_stat_5000_files/run.sh
new file mode 100644
index 0000000..486a949
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/030_touch_stat_5000_files/run.sh
@@ -0,0 +1,13 @@
+#! /bin/sh
+
+set -e
+# don't set -x as it creates a lot of noise
+
+DIR=$1
+
+for i in $(seq 5000); do
+    touch "$DIR/file-$i"
+done
+
+# find calls lstat()
+find "$DIR" -type f > dev/null
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/030_touch_stat_5000_files/test.ps1 b/tests/cases/900_perf/100_volume/020_single_dir/030_touch_stat_5000_files/test.ps1
new file mode 100644
index 0000000..2759102
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/030_touch_stat_5000_files/test.ps1
@@ -0,0 +1,24 @@
+# SUMMARY: Create 5000 files in a single directory on a shared volume and then stat them
+# LABELS:
+# REPEAT:
+
+$libBase = Join-Path -Path $env:RT_PROJECT_ROOT -ChildPath _lib
+$lib = Join-Path -Path $libBase -ChildPath lib.ps1
+. $lib
+
+$ret = 0
+
+Remove-Item -Force -Recurse -ErrorAction Ignore -Path $env:TEST_TMP
+New-Item -ItemType Directory -Force -Path $env:TEST_TMP
+
+$p = [string]$pwd.Path
+docker run --platform linux --rm `
+  -v $env:TEST_TMP`:/test `
+  -v $p`:/script `
+  alpine:3.7 sh /script/run.sh /test
+if ($lastexitcode -ne 0) {
+    $ret = 1
+}
+
+Remove-Item -Force -Recurse -ErrorAction Ignore -Path $env:TEST_TMP
+exit $ret
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/040_stat_touch_5000_files/run.sh b/tests/cases/900_perf/100_volume/020_single_dir/040_stat_touch_5000_files/run.sh
new file mode 100644
index 0000000..6b4078a
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/040_stat_touch_5000_files/run.sh
@@ -0,0 +1,9 @@
+#! /bin/sh
+
+set -e
+# don't set -x as it creates a lot of noise
+
+DIR=$1
+
+# find calls lstat()
+find "$DIR" -type f -print0 | xargs -0 touch > dev/null
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/040_stat_touch_5000_files/test.ps1 b/tests/cases/900_perf/100_volume/020_single_dir/040_stat_touch_5000_files/test.ps1
new file mode 100644
index 0000000..ff64573
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/040_stat_touch_5000_files/test.ps1
@@ -0,0 +1,22 @@
+# SUMMARY: Stat and then touch 5000 files in a single directory created on the host
+# LABELS:
+# REPEAT:
+
+$libBase = Join-Path -Path $env:RT_PROJECT_ROOT -ChildPath _lib
+$lib = Join-Path -Path $libBase -ChildPath lib.ps1
+. $lib
+
+$ret = 0
+
+$testPath = Join-Path -Path $env:TEST_TMP_ROOT -ChildPath "single-dir-touch"
+
+$p = [string]$pwd.Path
+docker run --platform linux --rm `
+  -v $testPath`:/test `
+  -v $p`:/script `
+  alpine:3.7 sh /script/run.sh /test
+if ($lastexitcode -ne 0) {
+    $ret = 1
+}
+
+exit $ret
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/050_stat_touch_stat_5000_files/run.sh b/tests/cases/900_perf/100_volume/020_single_dir/050_stat_touch_stat_5000_files/run.sh
new file mode 100644
index 0000000..e23b263
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/050_stat_touch_stat_5000_files/run.sh
@@ -0,0 +1,9 @@
+#! /bin/sh
+
+set -e
+
+DIR=$1
+
+# find calls lstat()
+find "$DIR" -type f -print0 | xargs -0 touch > dev/null
+find "$DIR" -type f > dev/null
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/050_stat_touch_stat_5000_files/test.ps1 b/tests/cases/900_perf/100_volume/020_single_dir/050_stat_touch_stat_5000_files/test.ps1
new file mode 100644
index 0000000..33a0452
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/050_stat_touch_stat_5000_files/test.ps1
@@ -0,0 +1,22 @@
+# SUMMARY: Stat, touch and then stat again 5000 files on a shared volume
+# LABELS:
+# REPEAT:
+
+$libBase = Join-Path -Path $env:RT_PROJECT_ROOT -ChildPath _lib
+$lib = Join-Path -Path $libBase -ChildPath lib.ps1
+. $lib
+
+$ret = 0
+
+$testPath = Join-Path -Path $env:TEST_TMP_ROOT -ChildPath "single-dir-touch-stat"
+
+$p = [string]$pwd.Path
+docker run --platform linux --rm `
+  -v $testPath`:/test `
+  -v $p`:/script `
+  alpine:3.7 sh /script/run.sh /test
+if ($lastexitcode -ne 0) {
+    $ret = 1
+}
+
+exit $ret
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/060_write_5000_files_512B/run.sh b/tests/cases/900_perf/100_volume/020_single_dir/060_write_5000_files_512B/run.sh
new file mode 100644
index 0000000..d23a3f5
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/060_write_5000_files_512B/run.sh
@@ -0,0 +1,10 @@
+#! /bin/sh
+
+set -e
+
+DIR=$1
+SIZE=$2
+
+for i in $(seq 5000); do
+    dd if=/dev/zero of="$DIR/file-$i" bs="$SIZE" count=1
+done
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/060_write_5000_files_512B/test.ps1 b/tests/cases/900_perf/100_volume/020_single_dir/060_write_5000_files_512B/test.ps1
new file mode 100644
index 0000000..4b03436
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/060_write_5000_files_512B/test.ps1
@@ -0,0 +1,24 @@
+# SUMMARY: Write 5000 small files in a single directory
+# LABELS:
+# REPEAT:
+
+$libBase = Join-Path -Path $env:RT_PROJECT_ROOT -ChildPath _lib
+$lib = Join-Path -Path $libBase -ChildPath lib.ps1
+. $lib
+
+$ret = 0
+
+Remove-Item -Force -Recurse -ErrorAction Ignore -Path $env:TEST_TMP
+New-Item -ItemType Directory -Force -Path $env:TEST_TMP
+
+$p = [string]$pwd.Path
+docker run --platform linux --rm `
+  -v $env:TEST_TMP`:/test `
+  -v $p`:/script `
+  alpine:3.7 sh /script/run.sh /test 512
+if ($lastexitcode -ne 0) {
+    $ret = 1
+}
+
+Remove-Item -Force -Recurse -ErrorAction Ignore -Path $env:TEST_TMP
+exit $ret
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/065_write_write_5000_files_512B/run.sh b/tests/cases/900_perf/100_volume/020_single_dir/065_write_write_5000_files_512B/run.sh
new file mode 100644
index 0000000..3d4de1e
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/065_write_write_5000_files_512B/run.sh
@@ -0,0 +1,14 @@
+#! /bin/sh
+
+set -e
+
+DIR=$1
+SIZE=$2
+
+for i in $(seq 5000); do
+    dd if=/dev/zero of="$DIR/file-$i" bs="$SIZE" count=1
+done
+
+for i in $(seq 5000); do
+    dd if=/dev/zero of="$DIR/file-$i" bs="$SIZE" count=1
+done
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/065_write_write_5000_files_512B/test.ps1 b/tests/cases/900_perf/100_volume/020_single_dir/065_write_write_5000_files_512B/test.ps1
new file mode 100644
index 0000000..f81f564
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/065_write_write_5000_files_512B/test.ps1
@@ -0,0 +1,24 @@
+# SUMMARY: Write twice over the 5000 small files in a single directory
+# LABELS:
+# REPEAT:
+
+$libBase = Join-Path -Path $env:RT_PROJECT_ROOT -ChildPath _lib
+$lib = Join-Path -Path $libBase -ChildPath lib.ps1
+. $lib
+
+$ret = 0
+
+Remove-Item -Force -Recurse -ErrorAction Ignore -Path $env:TEST_TMP
+New-Item -ItemType Directory -Force -Path $env:TEST_TMP
+
+$p = [string]$pwd.Path
+docker run --platform linux --rm `
+  -v $env:TEST_TMP`:/test `
+  -v $p`:/script `
+  alpine:3.7 sh /script/run.sh /test 512
+if ($lastexitcode -ne 0) {
+    $ret = 1
+}
+
+Remove-Item -Force -Recurse -ErrorAction Ignore -Path $env:TEST_TMP
+exit $ret
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/070_stat_read_5000_files_512B/run.sh b/tests/cases/900_perf/100_volume/020_single_dir/070_stat_read_5000_files_512B/run.sh
new file mode 100644
index 0000000..0cc9af1
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/070_stat_read_5000_files_512B/run.sh
@@ -0,0 +1,9 @@
+#! /bin/sh
+
+set -e
+# don't set -x as it creates a lot of noise
+
+DIR=$1
+
+# find calls lstat()
+find "$DIR" -type f -print0 | xargs -0 cat > dev/null
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/070_stat_read_5000_files_512B/test.ps1 b/tests/cases/900_perf/100_volume/020_single_dir/070_stat_read_5000_files_512B/test.ps1
new file mode 100644
index 0000000..a2568a8
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/070_stat_read_5000_files_512B/test.ps1
@@ -0,0 +1,22 @@
+# SUMMARY: Stat and then read 5000 files in a single directory created on the host
+# LABELS:
+# REPEAT:
+
+$libBase = Join-Path -Path $env:RT_PROJECT_ROOT -ChildPath _lib
+$lib = Join-Path -Path $libBase -ChildPath lib.ps1
+. $lib
+
+$ret = 0
+
+$testPath = Join-Path -Path $env:TEST_TMP_ROOT -ChildPath "single-dir-read"
+
+$p = [string]$pwd.Path
+docker run --platform linux --rm `
+  -v $testPath`:/test `
+  -v $p`:/script `
+  alpine:3.7 sh /script/run.sh /test
+if ($lastexitcode -ne 0) {
+    $ret = 1
+}
+
+exit $ret
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/075_stat_read_stat_read_5000_files_512B/run.sh b/tests/cases/900_perf/100_volume/020_single_dir/075_stat_read_stat_read_5000_files_512B/run.sh
new file mode 100644
index 0000000..d44193f
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/075_stat_read_stat_read_5000_files_512B/run.sh
@@ -0,0 +1,9 @@
+#! /bin/sh
+
+set -e
+
+DIR=$1
+
+# find calls lstat()
+find "$DIR" -type f -print0 | xargs -0 cat > dev/null
+find "$DIR" -type f -print0 | xargs -0 cat > dev/null
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/075_stat_read_stat_read_5000_files_512B/test.ps1 b/tests/cases/900_perf/100_volume/020_single_dir/075_stat_read_stat_read_5000_files_512B/test.ps1
new file mode 100644
index 0000000..42a3264
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/075_stat_read_stat_read_5000_files_512B/test.ps1
@@ -0,0 +1,22 @@
+# SUMMARY: Stat, read, stat, read 5000 files in a single directory created on the host
+# LABELS:
+# REPEAT:
+
+$libBase = Join-Path -Path $env:RT_PROJECT_ROOT -ChildPath _lib
+$lib = Join-Path -Path $libBase -ChildPath lib.ps1
+. $lib
+
+$ret = 0
+
+$testPath = Join-Path -Path $env:TEST_TMP_ROOT -ChildPath "single-dir-read-read"
+
+$p = [string]$pwd.Path
+docker run --platform linux --rm `
+  -v $testPath`:/test `
+  -v $p`:/script `
+  alpine:3.7 sh /script/run.sh /test
+if ($lastexitcode -ne 0) {
+    $ret = 1
+}
+
+exit $ret
diff --git a/tests/cases/900_perf/100_volume/020_single_dir/group.ps1 b/tests/cases/900_perf/100_volume/020_single_dir/group.ps1
new file mode 100644
index 0000000..25983a0
--- /dev/null
+++ b/tests/cases/900_perf/100_volume/020_single_dir/group.ps1
@@ -0,0 +1,94 @@
+# create some test directories here so they are not part of the test
+
+$libBase = Join-Path -Path $env:RT_PROJECT_ROOT -ChildPath _lib
+$lib = Join-Path -Path $libBase -ChildPath lib.ps1
+. $lib
+
+$res = 0
+
+# these need to be kept in sync with the respective test
+$singleDirStat = Join-Path -Path $env:TEST_TMP_ROOT -ChildPath "single-dir-stat"
+$singleDirTouch = Join-Path -Path $env:TEST_TMP_ROOT -ChildPath "single-dir-touch"
+$singleDirTouchStat = Join-Path -Path $env:TEST_TMP_ROOT -ChildPath "single-dir-touch-stat"
+$singleDirRead = Join-Path -Path $env:TEST_TMP_ROOT -ChildPath "single-dir-read"
+$singleDirReadRead = Join-Path -Path $env:TEST_TMP_ROOT -ChildPath "single-dir-read-read"
+
+function GroupInit([REF]$res) {
+    # Create files for stat testing
+    Remove-Item -Force -Recurse -ErrorAction Ignore -Path $singleDirStat
+    New-Item -ItemType Directory -Force -Path $singleDirStat
+    $i = 0
+    While ($i -lt 5000) {
+        $fileName = "file-" + $i
+        $filePath = Join-Path -Path $singleDirStat -ChildPath $fileName
+        New-Item -ItemType File -Path $filePath
+        $i += 1
+    }
+
+    # Create files for touch testing
+    Remove-Item -Force -Recurse -ErrorAction Ignore -Path $singleDirTouch
+    New-Item -ItemType Directory -Force -Path $singleDirTouch
+    $i = 0
+    While ($i -lt 5000) {
+        $fileName = "file-" + $i
+        $filePath = Join-Path -Path $singleDirTouch -ChildPath $fileName
+        New-Item -ItemType File -Path $filePath
+        $i += 1
+    }
+
+    # Create files for touch + stat testing
+    Remove-Item -Force -Recurse -ErrorAction Ignore -Path $singleDirTouchStat
+    New-Item -ItemType Directory -Force -Path $singleDirTouchStat
+    $i = 0
+    While ($i -lt 5000) {
+        $fileName = "file-" + $i
+        $filePath = Join-Path -Path $singleDirTouchStat -ChildPath $fileName
+        New-Item -ItemType File -Path $filePath
+        $i += 1
+    }
+
+    # Create files for a read test
+    Remove-Item -Force -Recurse -ErrorAction Ignore -Path $singleDirRead
+    New-Item -ItemType Directory -Force -Path $singleDirRead
+    $i = 0
+    While ($i -lt 5000) {
+        $fileName = "file-" + $i
+        $filePath = Join-Path -Path $singleDirRead -ChildPath $fileName
+        $f = new-object System.IO.FileStream $fileName, Create, ReadWrite
+        $f.SetLength(512)
+        $f.Close()
+        $i += 1
+    }
+
+    # Create files for a read read test
+    Remove-Item -Force -Recurse -ErrorAction Ignore -Path $singleDirReadRead
+    New-Item -ItemType Directory -Force -Path $singleDirReadRead
+    $i = 0
+    While ($i -lt 5000) {
+        $fileName = "file-" + $i
+        $filePath = Join-Path -Path $singleDirReadRead -ChildPath $fileName
+        $f = new-object System.IO.FileStream $fileName, Create, ReadWrite
+        $f.SetLength(512)
+        $f.Close()
+        $i += 1
+    }
+
+    $res.Value = 0
+}
+
+function GroupDeinit([REF]$res) {
+    Remove-Item -Force -Recurse -ErrorAction Ignore -Path $singleDirStat
+    Remove-Item -Force -Recurse -ErrorAction Ignore -Path $singleDirTouch
+    Remove-Item -Force -Recurse -ErrorAction Ignore -Path $singleDirTouchStat
+    Remove-Item -Force -Recurse -ErrorAction Ignore -Path $singleDirRead
+    Remove-Item -Force -Recurse -ErrorAction Ignore -Path $singleDirReadRead
+    $res.Value = 0
+}
+
+$CMD=$args[0]
+Switch ($CMD) {
+    'init'    { GroupInit([REF]$res) }
+    'deinit'  { GroupDeinit([REF]$res) }
+}
+
+exit $res