1# The most basic form of data verification. Write the device randomly 2# in 4K chunks, then read it back and verify the contents. 3[write-and-verify] 4rw=randwrite 5bs=4k 6direct=1 7ioengine=libaio 8iodepth=16 9verify=crc32c 10# Use /dev/XXX. For running this on a file instead, remove the filename 11# option and add a size=32G (or whatever file size you want) instead. 12filename=/dev/XXX 13