X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;ds=sidebyside;f=fio.1;h=d372727b69e7311d095ced198c2855f66091ec3d;hb=2b13e716c0921356c0930522718e00b8df34293a;hp=8d5baa831d1c90f63ef60810a560b4238810cae4;hpb=d9a7ba88af39b1047c9f8c077280932cd12cb58e;p=fio.git

diff --git a/fio.1 b/fio.1
index 8d5baa83..d372727b 100644
--- a/fio.1
+++ b/fio.1
@@ -692,6 +692,11 @@ has to be a hex number that starts with either "0x" or "0X". Use with
 If true, exit the job on the first observed verification failure.  Default:
 false.
 .TP
+.BI verify_dump \fR=\fPbool
+If set, dump the contents of both the original data block and the data block we
+read off disk to files. This allows later analysis to inspect just what kind of
+data corruption occurred. On by default.
+.TP
 .BI verify_async \fR=\fPint
 Fio will normally verify IO inline from the submitting thread. This option
 takes an integer describing how many async offload threads to create for IO
@@ -749,7 +754,9 @@ Skip the specified number of bytes when \fBzonesize\fR bytes of data have been
 read.
 .TP
 .BI write_iolog \fR=\fPstr
-Write the issued I/O patterns to the specified file.
+Write the issued I/O patterns to the specified file.  Specify a separate file
+for each job, otherwise the iologs will be interspersed and the file may be
+corrupt.
 .TP
 .BI read_iolog \fR=\fPstr
 Replay the I/O patterns contained in the specified file generated by