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After volume migration from 7-Mode to cDOT, some NFS clients can not longer mount volumes

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Category:
ontap-9
Specialty:
7dot
Last Updated:

Applies to

  • ONTAP 9
  • NFSv2
  • Linux

Issue

  • Customer machines cannot load their configurations via NFS at the moment, mount fails
  • Packet trace

No Time Source  Destination Protocol udp.srcport udp.dstport Length Info
 3 ...  ...     ...         Portmap  1022         111         98    V2 GETPORT Call (Reply In 4) MOUNT(100005) V:1 UDP
 4 ...  ...     ...         Portmap   111        1022         70    V2 GETPORT Reply (Call In 3) Port:635
 5 ...  ...     ...         MOUNT    1023         635        142    V1 MNT Call (Reply In 6) /.../.../...
 6 ...  ...     ...         MOUNT     635        1023         70    V1 MNT Reply (Call In 5)[Malformed Packet]
 7 ...  ...     ...         Portmap   854         111         98    V2 GETPORT Call (Reply In 8) MOUNT(100005) V:1 UDP
 8 ...  ...     ...         Portmap   111         854         70    V2 GETPORT Reply (Call In 7) Port:635
 9 ...  ...     ...         MOUNT     855         635        142    V1 MNT Call (Reply In 10) /.../.../...
10 ...  ...     ...         MOUNT     635         855         70    V1 MNT Reply (Call In 9)[Malformed Packet]

 

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