diff --git a/doc/html/burst_buffer.shtml b/doc/html/burst_buffer.shtml index 90ffad134f397b6bfb24a5c581e8ca40d68872da..3f4dbb91ab281243e6bc334913fcba16f22fd38f 100644 --- a/doc/html/burst_buffer.shtml +++ b/doc/html/burst_buffer.shtml @@ -128,7 +128,14 @@ persistent burst buffer storage (NOTE: The "#BB" prefix is used since the command is interpreted by Slurm and not by the Cray Datawarp software). Interactive jobs (those submitted using the <i>salloc</i> and <i>srun</i> commands) can specify their burst buffer space requirements using the "--bb" -or "--bbf" command line options, as described later in this document.</p> +or "--bbf" command line options, as described later in this document. +All of the "#SBATCH", "#DW" and "#BB" directives should be placed at the top +of the script (before any non-comment lines). +All of the persistent burst buffer creations and deletions happen before the +job's compute portion happens. +In a similar fashion, you can't stage files in/out at various points in the +script execution. All file stage-in happens prior to the job's compute portion +and all file stage-out happens after computation.</p> <p>A basic validation is performed on the job's burst buffer options at job submit time. @@ -270,6 +277,6 @@ $ scontrol create reservation StartTime=noon duration=60 \ BurstBuffer=cray:20G </pre> -<p style="text-align:center;">Last modified 29 October 2015</p> +<p style="text-align:center;">Last modified 28 November 2015</p> <!--#include virtual="footer.txt"-->