From 830b699c582bffae2a4fe417e8965b3e5c9e4e91 Mon Sep 17 00:00:00 2001
From: Jan David Mol <mol@astron.nl>
Date: Thu, 10 Aug 2023 09:28:54 +0200
Subject: [PATCH] L2SS-1444: Added comment

---
 SAS/TMSS/backend/services/lobster/lib/message_handler.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/SAS/TMSS/backend/services/lobster/lib/message_handler.py b/SAS/TMSS/backend/services/lobster/lib/message_handler.py
index 020ce234d1d..9251f1adbec 100644
--- a/SAS/TMSS/backend/services/lobster/lib/message_handler.py
+++ b/SAS/TMSS/backend/services/lobster/lib/message_handler.py
@@ -159,6 +159,8 @@ class L2TMSSObservationControlMessageHandler(TMSSEventMessageHandler):
             # kickstart the observation on COBALT to start and stop at the
             # times as provided in the parset.
             # first 3 parameters are historical and ignored
+            # NB: This command returns "immediately", that is, COBALT will start the actual observation in the
+            #     background.
             _system(f"ssh {COBALT_HEADNODE} {COBALT_START_SCRIPT} 1 2 3 {COBALT_PARSET_DIR}/{PARSET_FILENAME} {subtask_id}")
 
 
-- 
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