IN THIS ARTICLE
Outlines how to enforce TCP during NFS mounts to prevent delays
- Cluster running Qumulo Core
The use of UDP protocol during NFS mount phase could cause a delay in the availability of the mount point since UDP is not supported by our product.
The above issue can potentially be exacerbated in environments where round-robin DNS is utilized due to the sequential mount attempts using UDP fail against each node in the cluster. This can result in a considerable lag until the NFS export finally mounts using TCP.
We strongly encourage adding the TCP option to any NFS mount strings in auto-mounter maps to avoid this behavior using the example command below:
/mountpoint -fstype=nfs,nfsvers=3,tcp cluster_name:/path/dir
You should now be able to enforce TCP during NFS mounts to prevent delays
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