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1. Check the "IRMIS data validation" e-mail title:SUCCESS or FAILED?  If it's SUCCESSful, and there is a subsequent "IRMIS data sync to MCCO completed", then all is well.
2. If the data validation FAILED:
   1. What does the message for the DATA_VALIDATION step say?  The errors found will be listed.  (e.g. "PV Count drop > 5000", and/or "LCLS Crawler did not complete", etc.)
   2. Refer to the <acc> PV Crawler errors and warnings e-mails.  These show the changes in PV counts by IOC (useful in locating which IOC's PVs count dropped for example)
   3. If needed, go to the logfiles: see "IRMIS data validation" email for the log directory for each crawler.  Also, see table below for logfiles to refer to.

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At SLAC, in a nutshell the PV crawlers update:

• all IRMIS tables in MCCQA. All IRMIS UIs query data on MCCQA: PV and IOC data.
• 3 production tables on MCCO, which are used by other system – AIDA, BSA applications

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