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Re: LGWR: terminating instance due to error 27062
Re: LGWR: terminating instance due to error 27062
Thank you very much for your help, all things became
much more clear for me.
Thanks again 8-)))
- Best regards, Igor Ushkalo (igorus!) - igorus(at)mail.ru,
ICQ #19972198
fro_doe wrote:
>
> The ORA-27062 error means that the process (LGWR in this case)
> issued an aiowait() system call to wait for any outstanding
> aiowrite() request to complete, but none completed within some
> timeout value (600 seconds, I think). This is quite a long time
> for a write request to go unfulfilled. Either you were having
> very serious I/O issues at the time, or there is a bug with some
> OS driver. I've seen this same problem on a different OS while
> using a popular volume manager and its corresponding filesystem
> product. An update to the filesystem product fixed the problem.
>
> The difficulty in diagnosing this problem is that the database
> usually crashes before you realize there is a problem (even
> though the problem had been occurring for at least 10 minutes).
> Once the database crashes, all processes are gone and any chance
> of debugging the problem further is lost. Oracle may be able to
> provide a debug patch to prevent the database from crashing,
> instead just reissuing the aiowait() call and printing a message
> to the alert.log or dropping a trace file.
>
> Hope this helps, Doug.
>
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Received on Mon Aug 14 2000 - 06:36:30 CDT
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