1; writes 512 byte verification blocks until the disk is full,
2; then verifies written data
3[global]
4thread=1
5bs=64k
6direct=1
7ioengine=sync
8verify=meta
9verify_pattern=0xaa555aa5
10verify_interval=512
11
12[write-phase]
13filename=datafile.tmp	; or use a full disk, for example /dev/sda
14rw=write
15fill_device=1
16do_verify=0
17
18[verify-phase]
19stonewall
20create_serialize=0
21filename=datafile.tmp
22rw=read
23do_verify=1
24