Ingester continue startup after rediscover block error #1614
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What this PR does:
This PR changes the ingester to continue starting up after encountering an error during block rediscovery. The suspect block is ignored and left on disk for investigation. Introduces a new metric and alert when this happens.
Which issue(s) this PR fixes:
Fixes #1603
Checklist
CHANGELOG.md
updated - the order of entries should be[CHANGE]
,[FEATURE]
,[ENHANCEMENT]
,[BUGFIX]