On 01/15/2015 04:01 AM, Sitsofe Wheeler wrote:
While using fio-2.2.4 the following snippet produces a verification
error for me on the second fio invocation:
fio --bs=4k --ioengine=libaio --direct=1 --verify=meta --iodepth=128
--io_limit=300k --verify_state_save=1 --rw=randwrite --name=write3
--filename=/dev/dm-7 && fio --bs=4k --ioengine=libaio --direct=1
--verify=meta --iodepth=128 --verify_state_load=1 --rw=randread
--name=write3 --filename=/dev/dm-7
However if I put the iodepth of the second fio command down to 64 or
set io_limit the error goes away. I have also sometimes seen an error
that looks similar if the first fio is killed via ctrl-C. Is this to
be expected?
Doesn't reproduce here, but both cases would seem to imply that there's
something not quite right with the completed ios in the verify state
output. I'll take a look.
--
Jens Axboe
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