Re: 10g RAC without vendor clusterware

Chris,

Oracle positions its clusterware to be used INSTEAD of 3-rd party products. ASM there plays role of volume management. Oracle CRS can work standalone as well as on top of your existing clusterware (if supported depending on vendor/platform). So in latter case you don't lose it... in the fist case you just don't have it with Oracle CRS. :)

Btw, if you know that ASM is in fact an Oracle database running in mount state without any datafiles, would you ever seriously consider using it?! ;-)
And guess what? When this central ASM instance goes down, all databases connected to it (read using ASM) are going down as well.

Regards,
Alex

> I have zero experience with 10g RAC, but a I was talking to another DBA =
> who was looking in the same thing.
> He believed that with a 3rd party clusterware, you would HAVE TO use =
> Oracle storage manager - ASM? which is *new* software/process AND you =
> don't get all of the other benefits that a modern Cluster Manager =
> would/might provide. You would/might loose NIC/IP failover, filesystem =
> failover, etc...all things the Oracle can live without but you =
> applications may not?
>
> Take all of this with a grain of salt...and share what you find out.
>
> Chris Marquez

-- 
Best regards,
Alex Gorbachev
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