Add a 'continue_on_error' option to fio

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 2be845c4add2f7ce6c7cebc4d95ca9ce9083622a..0eab6e113a9d5c99fae86f1f30bb2a4196b97f14 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -314,7 +314,8 @@ filesize=int        Individual file sizes. May be a range, in which case fio
 
 fill_device=bool Sets size to something really large and waits for ENOSPC (no
                space left on device) as the terminating condition. Only makes
-                sense with sequential write.
+                sense with sequential write. For a read workload, the mount
+               point will be filled first then IO started on the result.
 
 blocksize=int
 bs=int         The block size used for the io units. Defaults to 4k. Values
@@ -927,6 +928,14 @@ gtod_cpu=int       Sometimes it's cheaper to dedicate a single thread of
                for doing these time calls will be excluded from other
                uses. Fio will manually clear it from the CPU mask of other
                jobs.
+continue_on_error=bool Normally fio will exit the job on the first observed
+               failure. If this option is set, fio will continue the job when
+               there is a 'non-fatal error' (EIO or EILSEQ) until the runtime
+               is exceeded or the I/O size specified is completed. If this
+               option is used, there are two more stats that are appended,
+               the total error count and the first error. The error field
+               given in the stats is the first error that was hit during the
+               run.
 
 
 6.0 Interpreting the output