Potential loss of access for zHyperLink users

Notification

Risk classification

HIPER (High Impact and/or Pervasive)

Risk categories

Data Access Loss

Affected Domain

DS8A00 on 10.11.30.0 or 10.11.34.0

Abstract

Potential loss of access can occur when enabling zHyperLink

Description

Loss of access may occur on DS8A00 systems shipped with zHyperLink adapters, on code bundles 10.10.106.1 or older, but are subsequently being enabled on code bundle 10.11.30.0 or 10.11.34.0.

Recommended Action

Fix:

Prior to enabling zHyperLink adapters on 10.11.30.0 or 10.11.34.0, install ICS CSE_SyncIO-sw1-check-v1.
Subsequent code bundles will contain the fix, as part of the code bundle update.

Reference ID

377054

Date first published

30 April 2026

[{"Risk Classification":"HIPER","Line of Business":{"code":"LOB26","label":"Storage"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSY1BJD","label":"DS8A00"},"ARM Category":[{"code":"a8m0z000000bqZbAAI","label":"06 - I\/O Bay - PCIe"}],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"10.0.0;10.1.0;10.2.0"}]

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