I have performed metadata analysis/repair on a metadata repository using the tools in management console. Since, this is the first time I am doing this would like to understand if I go ahead and repair using the tool, what kind of impact will it have on my SAS 9.2 environment. The log has following warnings:
INFO  - Analyzing Access Control metadata.
INFO  - Found 597 total Access Control objects.  Searching for orphans.
WARN  - 23 orphaned Access Control objects found in repository "Foundation".
WARN  - 23 orphans were found due to missing identities associated to this Access Control.
INFO  - Analyzing Classifier Map metadata.
INFO  - Found 5,752 total Classifier Map objects.  Searching for orphans.
WARN  - 215 orphaned Classifier Map objects found in repository "Foundation".
INFO  - Analyzing Work Table metadata.
INFO  - Found 3,051 total Work Table objects.  Searching for orphans.
WARN  - 2 orphaned Work Table objects found in repository "Foundation".
INFO  - Analyzing Property Group metadata.
INFO  - Found 537 total Property Group objects.  Searching for orphans.
WARN  - 2 orphaned Property Group objects found in repository "Foundation".
INFO  - Analyzing Property metadata.
INFO  - Found 81,128 total Property objects.  Searching for orphans.
WARN  - 454 orphaned Property objects found in repository "Foundation".
INFO  - Analyzing Text Store metadata.
INFO  - Found 9,357 total Text Store objects.  Searching for orphans.
WARN  - 394 orphaned Text Store objects found in repository "Foundation".
INFO  - **** Begin Analysis Process for repository "Foundation" using tool: Validate SAS Folders Structure
WARN  - Duplicate object found. 
WARN  - Duplicate object found. 
WARN  - Duplicate object found. 
WARN  - Duplicate object found.