Please use the fio list for this, CC'ed. On 1/15/20 8:28 AM, Michael Chichik wrote: > Hi, > My name is Michael and I am SW QA Engineer. I am using FIO v 3.16 as IO generator. > > I executed the following command on a directory mounted on XFS. (centos 7): > * > * > */usr/bin/fio --time_based --runtime=1d --ioengine=libaio --iodepth=32 --rw=randrw --bs=24k --direct=0 --io_size=60G --numjobs=10 --size=1G --rwmixread=0 --verify=md5 --verify_fatal=1 --output-format=json --output=4_randrw_0_10_32_libaio_xfs_1G.json --directory /mnt/test-vol-23206-36 --name host1_test-vol-23206-36 > * > FIO failed with the following error: > * > * > *verify: bad header rand_seed 1089408830752521594, wanted 7280637923435198810 at file /mnt/test-vol-23206-36/filename offset 776945664, length 24576 > * > > but when we compare the block level data is consistent. > > what is the meaning of the Error? does it really indicate data corruption? > > > Thanks, > Michael. > > -- Jens Axboe