IJ34398: AFM: SINGLE WRITER FILESET ROOT'S ACL CHANGED WHEN RUN FAILOVER

APAR status

• Closed as program error.

Error description

• When run AFM failover to a new target for a
  Single-Writer fileset, the fileset root's ACL might be
  changed to the same as home.  When the fileset is newly
  recreated at home, the default permission is 700.
  
  mmafmctl gpfs1 failover -j swfileset_nfs --new-target
  nfs://mapping1/gpfs/gpfs1/swfileset_nfs
  
  
  Reported In:
  Spectrum Scale 5.1.1 on RHEL7
  
  Known Impact:
  Permission denied unexpectedly
  
  Verification steps:
  Verify the ACL of fileset junction if it is as expected:
  mmgetacl <fileset junction>
  
  Recovery action:
  Fix the ACL manually to the correct value:
  mmeditacl <fileset junction>
  

Local fix

Problem summary

• In SW case, fileset root inherits the metadata from home
  when failover is happened.If home fileset was recreate then
  metadata gets changed at cache with default value.
  

Problem conclusion

• If SW case, existing metadata should not be modified for
  any files and fileset root as well.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  SPEC SCALE DME

• Fixed component ID

  5737F34AP

Applicable component levels