[AMBARI-24087] The alert "DataNode Unmounted Data Dir" did not appear

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.0
• Fix Version/s: 2.7.0
• Component/s: ambari-agent
• Labels: pull-request-available
• Assignee: Attila Magyar
• Reporter: Attila Magyar
• Created: 13/Jun/18 07:59
• Updated: 25/Jun/18 20:30
• Resolved: 14/Jun/18 07:08

Description

str:

1) execute commands on hosts:

dd if=/dev/zero of=/grid/0/fs bs=1 count=0 seek=10G
mkfs.ext3 -F /grid/0/fs
mkdir /grid/1/
mount -o loop,rw /grid/0/fs /grid/1/
chown cstm-hdfs:hadoop /grid/1/
2) set DN dir property (dfs.datanode.data.dir) to "/grid/0/hadoop/hdfs/data,/newdndir,/grid/1/hadoop/hdfs" and restart needed services
3) check that alert is not present "DataNode Unmounted Data Dir" (after 2 min)
4) Stop DN(s)
5) umount /grid/1/
6) Start DN(s)
7) check that alert is present

Issue Links

• links to: GitHub Pull Request #1522
• links to: GitHub Pull Request #1611