IC89449: FASTBACK INSTANT RECOVERY ON DISKS SIZED 2TB OR MORE

APAR status

• Closed as program error.

Error description

• There is no hard coded limitation and limitation notification
  for the unsupported FastBack Instant Recovery on disks which
  size is equal or greater then 2TB.
  If such recovery is run erroneously on such disks the restored
  volumes may have data integrity and corruption issues.
  

Local fix

• Not to run FastBack Instant Recovery for the volumes hosted on
  disks with size equal or greater then 2TB.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: All User using Instant Restore               *
  ****************************************************************
  * PROBLEM DESCRIPTION: There is no hard coded limitation and   *
  *                      limitation notification for the         *
  *                      unsupported FastBack Instant Recovery   *
  *                      on disks which size is equal or         *
  *                      greater than 2TB.                       *
  *                      If such recovery is run erroneously     *
  *                      on such disks the restored volumes      *
  *                      may have data integrity and             *
  *                      corruption issues.                      *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  *
  

Problem conclusion

• TSM Fastback has been fixed to correct this problem
  

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

  TSM FASTBACK

• Fixed component ID

  5724FSBBK

Applicable component levels

• R61W PSY

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