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Node is not healthy due to full and undersized root volume

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Category:
ontap-9
Specialty:
CORE
Last Updated:

Applies to

  • ONTAP 9

Issue

  • A node in a 2 node HA pair goes offline and loses cluster connectivity due to its root volume (vol0) becoming full.
  • Attempts to clear space (deleting snapshots, logs, corefiles) are insufficient, and the node remains inaccessible except via Service Processor.

Relevant Log Output:

“Critical: This node is not healthy because the root volume is low on space (<10MB).”
“Volume is full (using or reserving 99% of space and 1% of inodes).”

Additionally, when attempting to connect to the node via systemshell the following error can be seen:

“Unable to read system shell security settings: Database is not open.”vol0Total: 30G, used 29GB, avail 826MB, capacity 97%

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