Hi,
which background process had the problem?
because if lgwr, it already write in sync mode ...
- Original Message -----
To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
Sent: Monday, April 15, 2002 5:33 PM
> We have implemented a Sun Solaris Cluster (4 machines), connected to
> an EMC storage array. The migration began last fall, and we now have 15
> Oracle instances, with a mixture of 8.1.6 and 8.1.7, located there. We
> recently have had 2 occurances of asynchronous I/O wait times exceeded.
> When this occurs, every database crashes at the same time. The solution
> from EMC is to turn asynchronous I/O off in all of the Oracle instances
> (disk_async_io = false) and to increase the database writer slaves
> (dbwr_io_slaves = <something not 0>) to emulate asynchronous I/O.
> Has anyone run into this problem before? If so, how did you
> "correct" it? My feeling is that EMC is trying to give us a bandage to
> cover up the real problem, by trying to get Oracle to ignore it.
>
> Thank you.
>
> --
> Scott Canaan (srcdco_at_rit.edu)
> (585) 475-7886
> "Life is like a sewer, what you get out of it depends on what you put
> into it" - Tom Lehrer
>
>
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> Author: Scott Canaan
> INET: srcdco_at_ritvax.rit.edu
>
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Author: claudio cutelli
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Received on Mon Apr 15 2002 - 11:08:22 CDT
