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Failed to Unmount a Drive When the Drive Unmount Script Is Executed in the FusionInsight Cluster

Symptom

The drive unmount script of the FusionInsight cluster fails to be executed because the -u parameter is not added in the script.

Handling Procedure

Manually delete the drive mount information of all nodes.
  1. Use umount to unmount the directories whose names start with /srv/BigData.
  2. Delete the directories whose names start with /srv/BigData from the /etc/fstab file.