[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Jianfei Jiang updated HDFS-8277: Status: Patch Available (was: Open) > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: Jianfei Jiang >Priority: Major > Attachments: HDFS-8277-safemode-edits.patch, HDFS-8277.patch, > HDFS-8277_1.patch, HDFS-8277_2.patch, HDFS-8277_3.patch, HDFS-8277_4.patch, > HDFS-8277_5.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Jianfei Jiang updated HDFS-8277: Attachment: HDFS-8277_5.patch > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: Surendra Singh Lilhore >Priority: Major > Attachments: HDFS-8277-safemode-edits.patch, HDFS-8277.patch, > HDFS-8277_1.patch, HDFS-8277_2.patch, HDFS-8277_3.patch, HDFS-8277_4.patch, > HDFS-8277_5.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Tsz Wo Nicholas Sze updated HDFS-8277: -- Priority: Major (was: Minor) Component/s: (was: HDFS) > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: Surendra Singh Lilhore > Attachments: HDFS-8277-safemode-edits.patch, HDFS-8277.patch, > HDFS-8277_1.patch, HDFS-8277_2.patch, HDFS-8277_3.patch, HDFS-8277_4.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] surendra singh lilhore updated HDFS-8277: - Attachment: HDFS-8277-safemode-edits.patch > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha, HDFS, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: surendra singh lilhore >Priority: Minor > Attachments: HDFS-8277-safemode-edits.patch, HDFS-8277.patch, > HDFS-8277_1.patch, HDFS-8277_2.patch, HDFS-8277_3.patch, HDFS-8277_4.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] surendra singh lilhore updated HDFS-8277: - Status: Open (was: Patch Available) > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha, HDFS, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: surendra singh lilhore >Priority: Minor > Attachments: HDFS-8277.patch, HDFS-8277_1.patch, HDFS-8277_2.patch, > HDFS-8277_3.patch, HDFS-8277_4.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Arpit Agarwal updated HDFS-8277: Labels: (was: BB2015-05-RFC) > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha, HDFS, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: surendra singh lilhore >Priority: Minor > Attachments: HDFS-8277.patch, HDFS-8277_1.patch, HDFS-8277_2.patch, > HDFS-8277_3.patch, HDFS-8277_4.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Arpit Agarwal updated HDFS-8277: Description: HDFS fails to enter safemode when the Standby NameNode is down (eg. due to AMBARI-10536). {code}hdfs dfsadmin -safemode enter safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused{code} This appears to be a bug in that it's not trying both NameNodes like the standard hdfs client code does, and is instead stopping after getting a connection refused from nn1 which is down. I verified normal hadoop fs writes and reads via cli did work at this time, using nn2. I happened to run this command as the hdfs user on nn2 which was the surviving Active NameNode. After I re-bootstrapped the Standby NN to fix it the command worked as expected again. was: HDFS fails to enter safemode when the Standby NameNode is down (eg. due to AMBARI-10536). {code}hdfs dfsadmin -safemode enter safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused{code} This appears to be a bug in that it's not trying both NameNodes like the standard hdfs client code does, and is instead stopping after getting a connection refused from nn1 which is down. I verified normal hadoop fs writes and reads via cli did work at this time, using nn2. I happened to run this command as the hdfs user on nn2 which was the surviving Active NameNode. After I re-bootstrapped the Standby NN to fix it the command worked as expected again. Hari Sekhon http://www.linkedin.com/in/harisekhon > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha, HDFS, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: surendra singh lilhore >Priority: Minor > Labels: BB2015-05-RFC > Attachments: HDFS-8277.patch, HDFS-8277_1.patch, HDFS-8277_2.patch, > HDFS-8277_3.patch, HDFS-8277_4.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] surendra singh lilhore updated HDFS-8277: - Labels: BB2015-05-RFC (was: BB2015-05-TBR) > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha, HDFS, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: surendra singh lilhore >Priority: Minor > Labels: BB2015-05-RFC > Attachments: HDFS-8277.patch, HDFS-8277_1.patch, HDFS-8277_2.patch, > HDFS-8277_3.patch, HDFS-8277_4.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. > Hari Sekhon > http://www.linkedin.com/in/harisekhon -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] surendra singh lilhore updated HDFS-8277: - Attachment: HDFS-8277_4.patch > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha, HDFS, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: surendra singh lilhore >Priority: Minor > Labels: BB2015-05-TBR > Attachments: HDFS-8277.patch, HDFS-8277_1.patch, HDFS-8277_2.patch, > HDFS-8277_3.patch, HDFS-8277_4.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. > Hari Sekhon > http://www.linkedin.com/in/harisekhon -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Allen Wittenauer updated HDFS-8277: --- Labels: BB2015-05-TBR (was: ) > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha, HDFS, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: surendra singh lilhore >Priority: Minor > Labels: BB2015-05-TBR > Attachments: HDFS-8277.patch, HDFS-8277_1.patch, HDFS-8277_2.patch, > HDFS-8277_3.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. > Hari Sekhon > http://www.linkedin.com/in/harisekhon -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] surendra singh lilhore updated HDFS-8277: - Attachment: HDFS-8277_3.patch Fixed test case failure, attached new patch. Please review . > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha, HDFS, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: surendra singh lilhore >Priority: Minor > Attachments: HDFS-8277.patch, HDFS-8277_1.patch, HDFS-8277_2.patch, > HDFS-8277_3.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. > Hari Sekhon > http://www.linkedin.com/in/harisekhon -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] surendra singh lilhore updated HDFS-8277: - Attachment: HDFS-8277_2.patch > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha, HDFS, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: surendra singh lilhore >Priority: Minor > Attachments: HDFS-8277.patch, HDFS-8277_1.patch, HDFS-8277_2.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. > Hari Sekhon > http://www.linkedin.com/in/harisekhon -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] surendra singh lilhore updated HDFS-8277: - Status: Patch Available (was: Open) > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Improvement > Components: ha, HDFS, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: surendra singh lilhore >Priority: Minor > Attachments: HDFS-8277.patch, HDFS-8277_1.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. > Hari Sekhon > http://www.linkedin.com/in/harisekhon -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Brahma Reddy Battula updated HDFS-8277: --- Issue Type: Bug (was: Improvement) > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha, HDFS, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: surendra singh lilhore >Priority: Minor > Attachments: HDFS-8277.patch, HDFS-8277_1.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. > Hari Sekhon > http://www.linkedin.com/in/harisekhon -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] surendra singh lilhore updated HDFS-8277: - Attachment: HDFS-8277.patch > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Improvement > Components: ha, HDFS, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: surendra singh lilhore >Priority: Minor > Attachments: HDFS-8277.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. > Hari Sekhon > http://www.linkedin.com/in/harisekhon -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] surendra singh lilhore updated HDFS-8277: - Attachment: HDFS-8277_1.patch Attached patch , Please review... > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Improvement > Components: ha, HDFS, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: surendra singh lilhore >Priority: Minor > Attachments: HDFS-8277.patch, HDFS-8277_1.patch > > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. > Hari Sekhon > http://www.linkedin.com/in/harisekhon -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Brahma Reddy Battula updated HDFS-8277: --- Issue Type: Improvement (was: Bug) > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Improvement > Components: ha, HDFS, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Assignee: surendra singh lilhore >Priority: Minor > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. > Hari Sekhon > http://www.linkedin.com/in/harisekhon -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HDFS-8277) Safemode enter fails when Standby NameNode is down
[ https://issues.apache.org/jira/browse/HDFS-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Hari Sekhon updated HDFS-8277: -- Priority: Minor (was: Major) > Safemode enter fails when Standby NameNode is down > -- > > Key: HDFS-8277 > URL: https://issues.apache.org/jira/browse/HDFS-8277 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha, HDFS, namenode >Affects Versions: 2.6.0 > Environment: HDP 2.2.0 >Reporter: Hari Sekhon >Priority: Minor > > HDFS fails to enter safemode when the Standby NameNode is down (eg. due to > AMBARI-10536). > {code}hdfs dfsadmin -safemode enter > safemode: Call From nn2/x.x.x.x to nn1:8020 failed on connection exception: > java.net.ConnectException: Connection refused; For more details see: > http://wiki.apache.org/hadoop/ConnectionRefused{code} > This appears to be a bug in that it's not trying both NameNodes like the > standard hdfs client code does, and is instead stopping after getting a > connection refused from nn1 which is down. I verified normal hadoop fs writes > and reads via cli did work at this time, using nn2. I happened to run this > command as the hdfs user on nn2 which was the surviving Active NameNode. > After I re-bootstrapped the Standby NN to fix it the command worked as > expected again. > Hari Sekhon > http://www.linkedin.com/in/harisekhon -- This message was sent by Atlassian JIRA (v6.3.4#6332)