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Potential undetected loss of DS8000 CKD Remote Pair Flashcopy Target data

Notification


Risk classification

HIPER (High Impact and/or Pervasive)

Risk categories

Data Loss

Affected Domain

CKD systems using dataset-level Remote Pair Flashcopy (RPFC) on 89.33.35.0 - 89.41.23.0 bundles
Note:
Remote Pair Flashcopy is also known as Preserve Mirror Flashcopy.

Abstract

A timing condition in Remote Pair Flashcopy operations may lead to an undetected data loss on the MM secondary.

Description

A timing condition in Remote Pair Flashcopy operations may lead to an undetected data loss on the MM secondary.
The MM Primary volume is not affected.
In most cases, the data loss may be reported as a IEA494I Metro Mirror Suspend, and IEA491E Track Format Descriptor mismatch.

Reference ID

367397

Date first published

26 June 2024

[{"Risk Classification":"HIPER","Line of Business":{"code":"LOB26","label":"Storage"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSHGBU","label":"IBM DS8900F"},"ARM Category":[{"code":"a8m0z000000bqbDAAQ","label":"Advanced Functions-\u003EFlashCopy"}],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"}]

Document Information

Modified date:
26 June 2024

UID

ibm17158073