Compute Node Hang On NFS Mounts With "nfs4_reclaim_open_state: Lock reclaim failed!" Errors
(Doc ID 1562380.1)
Last updated on AUGUST 03, 2020
Applies to:Oracle Exalogic Elastic Cloud Software - Version 184.108.40.206.1 to 220.127.116.11.1
Oracle Exalogic Elastic Cloud Software - Version 18.104.22.168.2 to 22.214.171.124.2
All processes in Exalogic compute node hangs waiting access to NFSv4 mounts. You can traverse the directory structures on the NFS and get directory listings but any attempt to open a file to view contents results in a hang process. While the NFSv3 mounts are working fine, the I/O issued to NFS4 mounts hangs.
In the /var/log/messages file, you can find messages such as :
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