NFSv4.1: RHEL Clients hang on IO operations

Solution Verified - Updated -

Issue

  • NFS clients hang when copying files to NFS shares.
  • Trying to read a file on a NFS share with# cat is slow.
  • Metadata operations like # ls are not slow.
  • NFSv4.1 is slower than NFSv4.0
  • fs/nfs/pnfs_nfs.c:789 nfs4_pnfs_ds_connect+0x300/0x3c0 is logged in the NFS clients /var/log/messages.

Environment

  • Red Hat Enterprise Linux 7
  • NFSv4.1

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.