IJ49473: MMBACKUP ELIMINATES DUPLICATED TSLSSNAPSHOT CALLS DURING SNAPSHOT BACKUP

APAR status

• Closed as program error.

Error description

• Mmbackup invokes tslssnapshot command multiple times during
  snapshot backup.It has small performance impact if the file
  system has large number of snapshots.
  

Local fix

Problem summary

• Mmbackup invokes tslssnapshot command multiple times during
  snapshot backup.It has small performance impact if the file
  system has large number of snapshots.
  

Problem conclusion

• This problem is fixed in 5.1.2.15
  To see all Spectrum Scale APARs and their respective
  Fix solutions refer to page:
  https://public.dhe.ibm.com/storage/spectrumscale/spectrum_scale_
  apars.html
  
  Benefits of the solution:
  If the file system has large number of snapshots, there will be
  small performance improvement.
  
  Work around:
  none
  
  Problem trigger:
  This problem could occur if snapshot backup is executed for the
  file system that has lots of snapshots.
  
  Symptom: 
  Performance Impact/Degradation
  
  Platforms affected:
  all platforms that support mmbackup.
  
  Functional Area affected:
  mmbackup
  
  Customer Impact:
  Suggested
  

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 STD

• Fixed component ID

  5737F33AP

Applicable component levels