diff --git a/fsn1.disktest/.gitignore b/fsn1.disktest/.gitignore
new file mode 100644
index 0000000..6bd6746
--- /dev/null
+++ b/fsn1.disktest/.gitignore
@@ -0,0 +1 @@
+log.txt
diff --git a/fsn1.disktest/Makefile b/fsn1.disktest/Makefile
new file mode 100644
index 0000000..21cd095
--- /dev/null
+++ b/fsn1.disktest/Makefile
@@ -0,0 +1,16 @@
+HOST := fsn1.datavibe.net
+WHEN := $(shell date -u +%Y-%m-%d.%H.%M.%S)
+
+default: runlog
+
+runlog:
+	script ./log.$(WHEN).txt bash -c "make run"
+
+run: sync
+	ssh root@$(HOST) "bash /root/disktest.sh"
+
+sync:
+	rsync -avP ./disktest.sh root@$(HOST):/root/disktest.sh
+
+clean:
+	rm log.*.txt
diff --git a/fsn1.disktest/disktest.sh b/fsn1.disktest/disktest.sh
new file mode 100644
index 0000000..f4d4d15
--- /dev/null
+++ b/fsn1.disktest/disktest.sh
@@ -0,0 +1,90 @@
+#!/bin/bash
+
+set -x
+set -e
+
+date -u
+zfs version
+killall fio || true
+sleep 1
+
+RAWDISKS=$(
+    cd /dev/disk/by-id ;
+    ls -1 nvme-SAMSUNG* | grep -v part
+)
+
+FULLPATHS=""
+for RAWDISK in $RAWDISKS ; do
+    FULLPATHS+=" /dev/disk/by-id/$RAWDISK"
+done
+
+PN="tank"
+MPT="/srv/z"
+
+if [[ -e $MPT/.zfs ]]; then
+    zpool destroy $PN
+fi
+
+lsblk -t
+
+for ASHIFTVAL in 12 13 14 15 16 ; do
+
+    for DISK in $FULLPATHS ; do
+        blkdiscard $DISK
+        nvme format $DISK
+    done
+
+    zpool create $PN \
+        -o ashift=$ASHIFTVAL -O mountpoint=$MPT \
+        raidz1 $FULLPATHS
+
+    KEYLOC="/tmp/testkey.raw"
+    dd if=/dev/urandom of=$KEYLOC bs=32 count=1
+
+    COMP="-o compression=lz4"
+    ENC="-o encryption=aes-256-gcm -o keyformat=raw -o keylocation=file://$KEYLOC"
+
+    # plain
+    zfs create $PN/none
+    # compressed
+    zfs create $COMP $PN/comp
+    # encrypted
+    zfs create $ENC $PN/enc
+    # compressed and encrypted
+    zfs create $COMP $ENC $PN/both
+
+    FO="--eta-newline=10 --eta-interval=10 --eta=always"
+
+    JF="/tmp/jobfile.fio"
+    rm -f $JF
+
+    for NJ in 1 8 32 ; do
+        for BS in 64k 1M ; do
+            for DIRNAME in none comp enc both ; do
+
+# 400000M comes from ~1.5x machine's ram size: 256G
+cat >> $JF <<EOF
+
+[test-$DIRNAME-${BS}chunk-${NJ}thread]
+bs=$BS
+directory=$MPT/$DIRNAME/
+iodepth=64
+ioengine=libaio
+readwrite=readwrite
+numjobs=$NJ
+nrfiles=$NJ
+size=$(expr 400000 / $NJ)M
+runtime=300
+time_based=1
+group_reporting=1
+EOF
+            done
+        done
+    done
+
+    cat $JF
+    fio $FO $JF
+    zpool destroy $PN
+done
+
+