RHEL6.7 NFS4 client loops with NFS4ERR_BAD_STATEID errors and NetApp 8.2.2P2 7-mode and delegations enabled

Solution Unverified - Updated -

Issue

  • MQM instance utilizing NFS4 going down unexpectedly
  • D-state and/or defunct processes
  • tcpdump at the time of the problem shows a very high count of NFS4 READ or WRITE operations completing with NFS4ERR_BAD_STATEID (10025)
  • Just prior to the hangs, we see a a 'bad sequence-id' error, as described in https://access.redhat.com/solutions/397213
May  1 09:41:30 localhost kernel: NFS: v4 server mynfsserver  returned a bad sequence-id error!

Environment

  • NFS Server
    • NetApp Release 8.2.2P2 7-Mode
  • NFS client
    • Red Hat Enterprise Linux 6.7
    • 2.6.32-573.12.1.el6
  • NFS4 with delegations enabled

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content