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ESXi host reports APD issue on ONTAP NFS datastore

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Category:
ontap-9
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nas
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Applies to

  • ONTAP Version: 9.15.1P7
  • VMware ESXi Version: 8.0.3

Issue

  • One ESXi host is unable to access the ONTAP NFS volume datastore, affecting all virtual machines on that host.
  • Other ESXi hosts on the same network, connected to the same datastore, are not experiencing any issue
  • ESXI vob log:
[vob.storage.apd.start] Device or filesystem with identifier [xxxxxx-xxxxxxx] has entered the All Paths Down state
 
WARNING: NFS: xxx: Lost connection to the server xxxx mount point /xxxx, mounted as xxxxxx-xxxxxx-0000-000000000000 ("xxxxxxxx")
 
  • ONTAP EMS:
kernel: Nblade.nfsConnResetAndClose:error]: Shutting down connection with the client. Vserver ID is xx; network data protocol is NFS, Rpc Xid xxxxx; client IP address:port is x.x.x.x:xxxx. local IP address is x.x.x.x; reason is CSM error - Maximum number of rewind attempts has been exceeded
 
ERROR Nblade.CallbackTimedOut: SM NOTIFY: Vserver xx, Vif xxx: PORTMAP program (Program number:100000 Program version:2) on client x.x.x.x is not responding
 

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