X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=HOWTO;h=6ece3c183ae473cd7de3cc4f95e733de6ca888be;hp=ffd8d0a235a6a8b97df25fc4a91403757a026547;hb=ea966f8188915643670fd0a13d1bf37d45936da5;hpb=a12a3b4d8903b9941705067442c2c530a94635f3 diff --git a/HOWTO b/HOWTO index ffd8d0a2..6ece3c18 100644 --- a/HOWTO +++ b/HOWTO @@ -569,7 +569,7 @@ loops=int Run the specified number of iterations of this job. Used to repeat the same workload a given number of times. Defaults to 1. -do_verify=int Run the verify phase after a write phase. Only makes sense if +do_verify=bool Run the verify phase after a write phase. Only makes sense if verify is set. Defaults to 1. verify=str If writing to a file, fio can verify the file contents @@ -599,6 +599,15 @@ verify=str If writing to a file, fio can verify the file contents (timestamp, block number etc.). The block number is verified. + pattern Fill the IO buffers with a specific pattern, + that we can use to verify. Depending on the + width of the pattern, fio will fill 1/2/3/4 + bytes of the buffer at the time. The pattern + cannot be larger than a 32-bit quantity. The + given pattern is given as a postfix to this + option, ala: verify=pattern:0x5a. It accepts + both hex and dec values. + null Only pretend to verify. Useful for testing internals with ioengine=null, not for much else. @@ -624,15 +633,7 @@ verify_interval=siint Write the verification header at a finer granularity size of header_interval. blocksize should divide this evenly. -verify_pattern=int If set, fio will fill the io buffers with this - pattern. Fio defaults to filling with totally random - bytes, but sometimes it's interesting to fill with a known - pattern for io verification purposes. Depending on the - width of the pattern, fio will fill 1/2/3/4 bytes of the - buffer at the time. The verify_pattern cannot be larger than - a 32-bit quantity. - -verify_fatal=int Normally fio will keep checking the entire contents +verify_fatal=bool Normally fio will keep checking the entire contents before quitting on a block verification failure. If this option is set, fio will exit the job on the first observed failure.