EM13c R2 13.2.2 plugins – Missing metrics after 20170531 bundle patches

After installing the 20170531 plugin bundle patches for the 13.2.2 plugin line of EM13c R2, I noticed that the “Metrics and Collection Settings” page on all of my database instance targets suddenly changed, and only showed about 10 metrics, compared to the dozens usually displayed. I also noticed a related symptom, that various metric collections resulting in a warning status that appeared as events suddenly lost the “Reevaluate metric alert” option on the Incident Manager page, which I use to clear alerts when, for example, OS audit files take up enough space to flag an alert.

To recover the “reevaluate metric alert” link and the full list of metrics on the settings page, I re-applied my database monitoring template to my database targets. That brought everything back to working the way it did before. I have not investigated the root cause of this issue, and I don’t know what an admin should do if they encounter this problem but do not use monitoring templates. I assume that some kind of metadata refresh occurs when applying templates which allows the OMS to process them correctly after the version upgrade with the plugin bundle patches.

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