How to check server hardware and OS issue without offline DB server

Hi Experts,
For checking hardware issue, do we have any way to check server hardware and OS performance without offline server?
any way we could rule out bad hardware causing the problem without offline server?
Thanks
Jim

I think your answer depends on the nature of the hardware issue you think you may be having, whose hardware you have, and the OS your are running on that hardware. Such as on UNIX there are several error logs that record errors related to the system including detected hardware issues and you have numerous utilities like vmstat and iostat that can be used to measure performance. Some disk units linclude their own diagnostics modules you can run.
If you really want help I think you have to be a lot more specific about the problem you are facing.
HTH -- Mark D Powell --

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