SAP Knowledge Base Article - Preview

2766380 - ASE server is running fine, but errorlog shows thousands of Major Fault errors - ASE

Symptom

Major faults increasing - performance is fine.

Adaptive Server had 2954 major and 0 minor page faults since boot, and 1751 major and 0 minor page faults in last 30000 milliseconds.
Adaptive Server had 11628 major and 0 minor page faults since boot, and 8674 major and 0 minor page faults in last 30000 milliseconds.
...

Also seeing devices with:

Virtual device 172 started using asynchronous i/o.
Activating disk 'mydev92' of size 2097152 KB.
Warning: Sybase recommends not to use '/dev/data92' as a database device, because it is a block device and may cause data loss in case of system failure.
Initializing virtual device 137, '/dev/data92' with dsync 'off'.


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Environment

SAP Adaptive Server Enterprise 15.7  SP140 and above

Product

SAP Adaptive Server Enterprise 15.7

Keywords

KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , How To

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