z/OS Network File System Guide and Reference
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z/OS NFS server restrictions

z/OS Network File System Guide and Reference
SC23-6883-00

As of the writing of this publication, use of the following functions must be restricted because they have not been successfully tested on the listed systems:

  • AIX 6.1/7.1
    • NFSv4 mounts to MVS data sets must include a leading slash before the HLQ.
  • Linux
    • Red Hat EL 5
      • Cannot mount NFSv4 shares that include Symbolic Links
      • Cannot recover from FH_Expired after server restart or failover. Mount attribute mvsmnt should be used to work around this restriction.
      Note: For NFS version 4 mounts to the z/OS NFS Server, it is recommended to use the "nordirplus" mount option from Linux NFS Clients.
    • Suse SLES 10.4
      • Cannot mount NFSv4 shares that include Symbolic Links
      • KRB5p is not supported
      • Cannot recover from FH_Expired after server restart or failover. Mount attribute mvsmnt should be used to work around this restriction.
      Note: For NFS version 4 mounts to the z/OS NFS Server, it is recommended to use the "nordirplus" mount option from Linux NFS Clients.
  • Suse SLES 11.2
    • Cannot mount NFSv4 shares that include Symbolic Links
    • Cannot recover from FH_Expired after server restart or failover. Mount attribute mvsmnt should be used to work around this restriction. Mount option "nordirplus" should be used to work around a FH issue between Suse 11 and z/OS NFS server.
  • Windows
    • Double quotes have to be used when Maestro client 2008 (minimal maestro patch 15) mounts to the z/OS NFS server if the remote mount path doesn't exactly match the NFS exports.

      Example 1: Export USS /u/user* or MVS A.B in export file.

      Maestro GUI:
      	"\\server\/hfs/u/user4"
      	"\\server\/A.B.CD" 
      DOS/Shell:
      nfs link mountdrive \"\\server\/hfs/u/user4\" /T /4 /A:u
      nfs link  mountdrive \"\\server\/A.B.CD\" /T /4 /A:u

      Example 2: Use double quotes when mounting to the z/OS server with z/OS server attributes.

      Maestro GUI:
      "\\server\/nfsexport,binary"
      DOS/Shell:
      nfs link  mountdrive  \"\\server\/nfsexport,binary\"  /T /4 /A:u
Note: This is not intended to be an all-inclusive list of remote platform restrictions.

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