bharatviswa504 edited a comment on pull request #2294:
URL: https://github.com/apache/ozone/pull/2294#issuecomment-854422133
Tested this on cluster
with the scenario, close pipeline, scrubber removed and created new
pipeline. Restarted SCM. (As SCM will have in its DB the old pipeline which is
closed/removed before fix SCM would never come out of safe mode, as it reads
old pipeline info in DB during rule setup)
And once after leader ready, rules refreshed and data nodes registered,
rules are successfully validated. (Unlike before after remove pipeline,
pipeline rules are not successfully validated)
```
2021-06-04 07:05:28,646 INFO
org.apache.hadoop.hdds.scm.safemode.HealthyPipelineSafeModeRule: Refreshed
total pipeline count is 1, healthy pipeline threshold count is 1
2021-06-04 07:05:28,646 INFO
org.apache.hadoop.hdds.scm.safemode.OneReplicaPipelineSafeModeRule: Refreshed
Total pipeline count is 1, pipeline's with at least one datanode reported
threshold count is 1
```
```
021-06-04 07:05:29,184 INFO org.apache.hadoop.hdds.scm.node.SCMNodeManager:
Registered Data node : 9642160f-49ab-4400-a66c-e7f4210f4ca0{ip: xx, host:
bv-unsec-2.bv-unsec.root.hwx.site, ports: [REPLICATION=9886, RATIS=9858,
RATIS_ADMIN=9857, RATIS_SERVER=9856, STANDALONE=9859], networkLocation:
/default, certSerialId: null, persistedOpState: IN_SERVICE,
persistedOpStateExpiryEpochSec: 0}
2021-06-04 07:05:30,038 INFO org.apache.hadoop.hdds.scm.node.SCMNodeManager:
Registered Data node : b44ed911-3a93-4b83-9e81-88fe47369a84{ip: xx, host:
bv-unsec-3.bv-unsec.root.hwx.site, ports: [REPLICATION=9886, RATIS=9858,
RATIS_ADMIN=9857, RATIS_SERVER=9856, STANDALONE=9859], networkLocation:
/default, certSerialId: null, persistedOpState: IN_SERVICE,
persistedOpStateExpiryEpochSec: 0}
2021-06-04 07:05:30,098 INFO org.apache.hadoop.hdds.scm.node.SCMNodeManager:
Registered Data node : 37d28fa1-41db-4f44-963e-45675b822884{ip: xx, host:
bv-unsec-1.bv-unsec.root.hwx.site, ports: [REPLICATION=9886, RATIS=9858,
RATIS_ADMIN=9857, RATIS_SERVER=9856, STANDALONE=9859], networkLocation:
/default, certSerialId: null, persistedOpState: IN_SERVICE,
persistedOpStateExpiryEpochSec: 0}
```
```
2021-06-04 07:05:30,098 INFO
org.apache.hadoop.hdds.scm.safemode.SCMSafeModeManager: SCM in safe mode.
Healthy pipelines reported count is 0, required healthy pipeline reported count
is 1
2021-06-04 07:05:31,146 INFO
org.apache.hadoop.hdds.scm.safemode.SCMSafeModeManager: SCM in safe mode.
Healthy pipelines reported count is 0, required healthy pipeline reported count
is 1
2021-06-04 07:05:32,009 INFO
org.apache.hadoop.hdds.scm.safemode.SCMSafeModeManager: SCM in safe mode.
Healthy pipelines reported count is 0, required healthy pipeline reported count
is 1
2021-06-04 07:05:32,059 INFO
org.apache.hadoop.hdds.scm.safemode.SCMSafeModeManager: SCM in safe mode.
Healthy pipelines reported count is 0, required healthy pipeline reported count
is 1
2021-06-04 07:05:33,841 INFO
org.apache.hadoop.hdds.scm.safemode.SCMSafeModeManager: SCM in safe mode.
Healthy pipelines reported count is 0, required healthy pipeline reported count
is 1
2021-06-04 07:05:33,888 INFO
org.apache.hadoop.hdds.scm.safemode.SCMSafeModeManager: SCM in safe mode.
Healthy pipelines reported count is 0, required healthy pipeline reported count
is 1
2021-06-04 07:05:33,921 INFO
org.apache.hadoop.hdds.scm.safemode.SCMSafeModeManager: SCM in safe mode.
Healthy pipelines reported count is 0, required healthy pipeline reported count
is 1
2021-06-04 07:05:39,331 INFO
org.apache.hadoop.hdds.scm.safemode.SCMSafeModeManager: SCM in safe mode.
Healthy pipelines reported count is 0, required healthy pipeline reported count
is 1
2021-06-04 07:05:39,332 INFO
org.apache.hadoop.hdds.scm.safemode.SCMSafeModeManager: SCM in safe mode.
Healthy pipelines reported count is 1, required healthy pipeline reported count
is 1
2021-06-04 07:05:39,332 INFO
org.apache.hadoop.hdds.scm.safemode.SCMSafeModeManager:
HealthyPipelineSafeModeRule rule is successfully validated
2021-06-04 07:05:39,332 INFO
org.apache.hadoop.hdds.scm.safemode.SCMSafeModeManager: ScmSafeModeManager, all
rules are successfully validated
2021-06-04 07:05:39,332 INFO
org.apache.hadoop.hdds.scm.safemode.SCMSafeModeManager: SCM exiting safe mode.
```
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