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[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index ab0250cb60e6d84cde61f67916f8b48cef6ee843..61ebe5e9f7de732403dfd85b59837f01f987ddac 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -961,6 +961,8 @@ random_generator=str        Fio supports the following engines for generating
 
                tausworthe      Strong 2^88 cycle random number generator
                lfsr            Linear feedback shift register generator
+               tausworthe64    Strong 64-bit 2^258 cycle random number
+                               generator
 
                Tausworthe is a strong random number generator, but it
                requires tracking on the side if we want to ensure that
@@ -1279,6 +1281,12 @@ verify=str       If writing to a file, fio can verify the file contents
                                verified for workloads that write data.
                                See also verify_pattern.
 
+                       pattern Verify a strict pattern. Normally fio includes
+                               a header with some basic information and
+                               checksumming, but if this option is set, only
+                               the specific pattern set with 'verify_pattern'
+                               is verified.
+
                        null    Only pretend to verify. Useful for testing
                                internals with ioengine=null, not for much
                                else.