Add support for file appends

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 0f9c0fc28bd4dfff82c07d35411203e47ed379aa..7e77c40372066a56a0f6ab9533b197ca4b630a50 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -435,6 +435,11 @@ filesize=int       Individual file sizes. May be a range, in which case fio
                and limited to 'size' in total (if that is given). If not
                given, each created file is the same size.
 
                and limited to 'size' in total (if that is given). If not
                given, each created file is the same size.
 

+file_append=bool       Perform IO after the end of the file. Normally fio will
+               operate within the size of a file. If this option is set, then
+               fio will append to the file instead. This has identical
+               behavior to setting offset to the size of a file.
+

 fill_device=bool
 fill_fs=bool   Sets size to something really large and waits for ENOSPC (no
                space left on device) as the terminating condition. Only makes
 fill_device=bool
 fill_fs=bool   Sets size to something really large and waits for ENOSPC (no
                space left on device) as the terminating condition. Only makes