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https://issues.apache.org/jira/browse/HDFS-14318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16913445#comment-16913445
 ] 

Hadoop QA commented on HDFS-14318:
----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  1m 
43s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green}  0m  
0s{color} | {color:green} No case conflicting files found. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:red}-1{color} | {color:red} test4tests {color} | {color:red}  0m  
0s{color} | {color:red} The patch doesn't appear to include any new or modified 
tests. Please justify why no new tests are needed for this patch. Also please 
list what manual steps were performed to verify this patch. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 19m 
58s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
13s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
53s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
25s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
14m 56s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
52s{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue}  3m 
13s{color} | {color:blue} Used deprecated FindBugs config; considering 
switching to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 
10s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
16s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
4s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m  
4s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 39s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch 
generated 1 new + 154 unchanged - 0 fixed = 155 total (was 154) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
6s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
13m 30s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
50s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  3m 
23s{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs generated 2 new + 0 
unchanged - 0 fixed = 2 total (was 0) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}119m 53s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
39s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}187m 11s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs-project/hadoop-hdfs |
|  |  Possible doublecheck on 
org.apache.hadoop.hdfs.server.datanode.DataNode.checkDiskThread in 
org.apache.hadoop.hdfs.server.datanode.DataNode.startCheckDiskThread()  At 
DataNode.java:org.apache.hadoop.hdfs.server.datanode.DataNode.startCheckDiskThread()
  At DataNode.java:[lines 2212-2214] |
|  |  Null pointer dereference of DataNode.errorDisk in 
org.apache.hadoop.hdfs.server.datanode.DataNode.checkDiskError()  Dereferenced 
at DataNode.java:in 
org.apache.hadoop.hdfs.server.datanode.DataNode.checkDiskError()  Dereferenced 
at DataNode.java:[line 3487] |
| Failed junit tests | hadoop.hdfs.TestFileChecksumCompositeCrc |
|   | hadoop.hdfs.server.datanode.TestDirectoryScanner |
|   | hadoop.hdfs.server.blockmanagement.TestNodeCount |
|   | hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFSStriped |
|   | hadoop.tools.TestJMXGet |
|   | hadoop.hdfs.TestFileChecksum |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
|   | hadoop.hdfs.server.sps.TestExternalStoragePolicySatisfier |
|   | hadoop.hdfs.server.diskbalancer.TestDiskBalancerRPC |
|   | hadoop.hdfs.server.diskbalancer.command.TestDiskBalancerCommand |
|   | hadoop.hdfs.TestReadStripedFileWithDecodingCorruptData |
|   | hadoop.hdfs.server.balancer.TestBalancer |
|   | 
hadoop.hdfs.server.blockmanagement.TestReconstructStripedBlocksWithRackAwareness
 |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
|   | hadoop.hdfs.TestEncryptionZonesWithKMS |
|   | hadoop.hdfs.server.datanode.TestDataNodeECN |
|   | hadoop.hdfs.TestReconstructStripedFile |
|   | hadoop.hdfs.tools.TestDFSAdmin |
|   | hadoop.hdfs.server.datanode.TestDataNodeLifeline |
|   | hadoop.hdfs.server.datanode.TestDataNodeHotSwapVolumes |
|   | hadoop.hdfs.server.blockmanagement.TestOverReplicatedBlocks |
|   | hadoop.hdfs.server.blockmanagement.TestSequentialBlockGroupId |
|   | hadoop.hdfs.server.balancer.TestBalancerRPCDelay |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeMetrics |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestFsDatasetImpl |
|   | hadoop.hdfs.tools.TestDFSZKFailoverController |
\\
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|| Subsystem || Report/Notes ||
| Docker | Client=19.03.0 Server=19.03.0 base: 
https://builds.apache.org/job/hadoop-multibranch/job/PR-1104/8/artifact/out/Dockerfile
 |
| GITHUB PR | https://github.com/apache/hadoop/pull/1104 |
| JIRA Issue | HDFS-14318 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite 
unit shadedclient findbugs checkstyle |
| uname | Linux 937316f0af8d 4.15.0-52-generic #56-Ubuntu SMP Tue Jun 4 
22:49:08 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | personality/hadoop.sh |
| git revision | trunk / 69ddb36 |
| Default Java | 1.8.0_212 |
| checkstyle | 
https://builds.apache.org/job/hadoop-multibranch/job/PR-1104/8/artifact/out/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| findbugs | 
https://builds.apache.org/job/hadoop-multibranch/job/PR-1104/8/artifact/out/new-findbugs-hadoop-hdfs-project_hadoop-hdfs.html
 |
| unit | 
https://builds.apache.org/job/hadoop-multibranch/job/PR-1104/8/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/hadoop-multibranch/job/PR-1104/8/testReport/ |
| Max. process+thread count | 2882 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Console output | 
https://builds.apache.org/job/hadoop-multibranch/job/PR-1104/8/console |
| versions | git=2.7.4 maven=3.3.9 findbugs=3.1.0-RC1 |
| Powered by | Apache Yetus 0.10.0 http://yetus.apache.org |


This message was automatically generated.



> dn cannot be recognized and must be restarted to recognize the Repaired disk
> ----------------------------------------------------------------------------
>
>                 Key: HDFS-14318
>                 URL: https://issues.apache.org/jira/browse/HDFS-14318
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>            Reporter: hunshenshi
>            Assignee: hunshenshi
>            Priority: Major
>         Attachments: HDFS-14318.patch
>
>
> dn detected that disk a has failed. After disk a is repaired, dn cannot be 
> recognized and must be restarted to recognize
>  
> I make a patch to dn for recognize the repaired disk without restart dn



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