We see that the loop that causes the overload of "dlm" is:
- Node 1 sends a "lookup" message, related to some filesystem and inode, to the master node (node 3), asking for the current owner of this element.
- Node 3 replies "the owner of this element is now the node 4".
- Node 1 sends a "request" message to node 4.
- Node 4 replies "I have not it" (error code EBADR = -53).
- goto step 1
This loop appends several hundreds per seconds, multiplied by all
filesystem and inodes with this problem. In total, several tenths
of thousands messages in DLM, until restart of the cluster
Kind regards.
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