Merge pull request #66 from ISISComputingGroup/addJournalEntries

Update Journal-Viewer.md

Author: rerpha

doc/system_components/Journal-Viewer.md

@@ -27,4 +27,7 @@ Contains information on the IBEX journal viewer. This feature is intended to pro
 1. Journal parser can be run as `C:\Instrument\Apps\EPICS\ISIS\JournalParser\master\bin\windows-x64\JournalParser.exe <Instrument Name> <Run Number> cycle_00_0 "C:\data" NDW<Instrument Name>`
     - Change `<Instrument Name>` to the name of your instrument
     - Change `<Run Number>` to one that exists in `C:\Data\Journal\journal_00_0.xml` on your machine
-    - Note that you need to prefix your instrument with "NDW" in the last argument as this will get stripped by the script
+    - Note that you need to prefix your instrument with "NDW" in the last argument as this will get stripped by the script
+
+## Repopulate Journals following truncation
+To add journal entries back on an instrument following a truncation (e.g. if there is the following nagios error: `EPICS MYSQL Journal Entries`),  run `[group public share]\JournalParser\add_journal_entries.bat` on the instrument.