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Note: if you roll back from the findChunks process, all the old messages for the run will be there including the error messages.  If you just roll back the stream, the messages are reset.  Either way works, just be aware of the message dates when looking at logs if you rolled back from findChunks.

9) Once the streams are rolled back you need to create a dummy chunktoken as the RePipe process doesn't create them.

touch /nfs/farm/g/glast/u28/stage/chunktokens/r0$rn/pippo

Note: this may have to be removed manually at the end.

9) Once all the L1Proc streams have finished run the following command

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