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Pagecache bug can lead to hangs on SLES for SAP

This document (7023976) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Server 12 for SAP Applications Service Pack 4

Situation

A bug has been identified in the pagecache mechanism which can cause servers to hang.

The symptom often presents it's self as very heavy I/O with blocked processes awaiting opportunity to make file updates.

Resolution

SUSE engineering has created a patch for this issue. It has been released in to the maintenance channels.

Linux Kernel 1851
https://download.suse.com/Download?buildid=UqTZGq5ehfE~

Cause

Bug in pagecache mechanism.

Additional Information

This issue only exists on SLES for SAP 12 SP4


Disclaimer

This Support Knowledgebase provides a valuable tool for NetIQ/Novell/SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:7023976
  • Creation Date:26-JUN-19
  • Modified Date:15-JUL-19
    • NovellSUSE Linux Enterprise Server for SAP Applications
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