question Re: How to fix the stale alert &quot;Detected data dir(s) that became unmounted and are now writing to the root partition: /disk1/hadoop/hdfs/data &quot; in Support Questions https://community.cloudera.com/t5/Support-Questions/How-to-fix-the-stale-alert-quot-Detected-data-dir-s-that/m-p/231586#M193430 <P>restarting ambari agents solved mine.</P><PRE>service ambari-agent restart </PRE><P>sometimes you have to wait for a while for the ambari server to get update from agent.</P> Wed, 20 Sep 2017 13:50:54 GMT linehrr 2017-09-20T13:50:54Z How to fix the stale alert "Detected data dir(s) that became unmounted and are now writing to the root partition: /disk1/hadoop/hdfs/data " https://community.cloudera.com/t5/Support-Questions/How-to-fix-the-stale-alert-quot-Detected-data-dir-s-that/m-p/231582#M193426 <P>I am pretty sure disk1 is not mounted to the root partition. I unmounted and mounted back, but this alert is not going away.</P><P>Has someone faced this issue before ?</P><P>thanks</P><P>Kumar</P> Tue, 16 May 2017 04:52:34 GMT https://community.cloudera.com/t5/Support-Questions/How-to-fix-the-stale-alert-quot-Detected-data-dir-s-that/m-p/231582#M193426 kums 2017-05-16T04:52:34Z Re: How to fix the stale alert "Detected data dir(s) that became unmounted and are now writing to the root partition: /disk1/hadoop/hdfs/data " https://community.cloudera.com/t5/Support-Questions/How-to-fix-the-stale-alert-quot-Detected-data-dir-s-that/m-p/231583#M193427 <P>Can you please try and disable the alert and restart ambari agent on the server where the specific datanode is present and re-enable the alert ? </P> Wed, 17 May 2017 17:28:18 GMT https://community.cloudera.com/t5/Support-Questions/How-to-fix-the-stale-alert-quot-Detected-data-dir-s-that/m-p/231583#M193427 vasubramanian 2017-05-17T17:28:18Z Re: How to fix the stale alert "Detected data dir(s) that became unmounted and are now writing to the root partition: /disk1/hadoop/hdfs/data " https://community.cloudera.com/t5/Support-Questions/How-to-fix-the-stale-alert-quot-Detected-data-dir-s-that/m-p/231584#M193428 <P>This did not work</P> Fri, 19 May 2017 04:22:14 GMT https://community.cloudera.com/t5/Support-Questions/How-to-fix-the-stale-alert-quot-Detected-data-dir-s-that/m-p/231584#M193428 kums 2017-05-19T04:22:14Z Re: How to fix the stale alert "Detected data dir(s) that became unmounted and are now writing to the root partition: /disk1/hadoop/hdfs/data " https://community.cloudera.com/t5/Support-Questions/How-to-fix-the-stale-alert-quot-Detected-data-dir-s-that/m-p/231585#M193429 <P>@Vani I take it back......Actually restarting the ambari agent resolved the issue</P> Fri, 19 May 2017 04:27:47 GMT https://community.cloudera.com/t5/Support-Questions/How-to-fix-the-stale-alert-quot-Detected-data-dir-s-that/m-p/231585#M193429 kums 2017-05-19T04:27:47Z Re: How to fix the stale alert "Detected data dir(s) that became unmounted and are now writing to the root partition: /disk1/hadoop/hdfs/data " https://community.cloudera.com/t5/Support-Questions/How-to-fix-the-stale-alert-quot-Detected-data-dir-s-that/m-p/231586#M193430 <P>restarting ambari agents solved mine.</P><PRE>service ambari-agent restart </PRE><P>sometimes you have to wait for a while for the ambari server to get update from agent.</P> Wed, 20 Sep 2017 13:50:54 GMT https://community.cloudera.com/t5/Support-Questions/How-to-fix-the-stale-alert-quot-Detected-data-dir-s-that/m-p/231586#M193430 linehrr 2017-09-20T13:50:54Z