Last updated on JUNE 11, 2017
Applies to:Linux OS - Version Oracle Linux 6.7 and later
x86 64 bit
Unable to unmount the filesystem /boot in a running DB node with the error "umount: /boot: device is busy".
The Exadata patchmgr is failing in the node as it fails to unmount /boot and fails to run fsck on it.
Just after the reboot it works fine, but after 20-30 minutes it starts to fail again.
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