Asynchronous I/O problems with Oracle after applying SLES9 SP4

This document (7000109) is provided subject to the disclaimer at the end of this document.


Novell SUSE Linux Enterprise Server 9 Service Pack 4
Oracle (multiple versions)


Running RMAN backups with the ASYNCH option set fails.

Oracle alertlog:
Corrupt block relative dba: 0x00800001 (file 0, block 1)
Bad header found during backing up datafile
Data in bad block -
type: 30 format: 2 rdba: 0x00800006
last change scn: 0x0000.00001226 seq: 0x1 flg: 0x04
consistency value in tail: 0x12261e01
check value in block header: 0xa084, computed block checksum: 0x0
spare1: 0x0, spare2: 0x0, spare3: 0x0


The issue has been fixed in kernel version 2.6.5-7.312.

Additional Information

Running an rman backup with set filesystemio_options=ASYNCH fails since upgrading to SLES 9 SP 4.


This Support Knowledgebase provides a valuable tool for 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:7000109
  • Creation Date: 16-Apr-2008
  • Modified Date:03-Mar-2020
    • SUSE Linux Enterprise Server

< Back to Support Search

For questions or concerns with the SUSE Knowledgebase please contact:

SUSE Support Forums

Get your questions answered by experienced Sys Ops or interact with other SUSE community experts.

Join Our Community

Support Resources

Learn how to get the most from the technical support you receive with your SUSE Subscription, Premium Support, Academic Program, or Partner Program.

SUSE Customer Support Quick Reference Guide SUSE Technical Support Handbook Update Advisories
Support FAQ

Open an Incident

Open an incident with SUSE Technical Support, manage your subscriptions, download patches, or manage user access.

Go to Customer Center