Re: 10g RAC without vendor clusterware
- From: Alexander Gorbachev <gorbyx@xxxxxxxxx>
- To: CMarquez@xxxxxxxx
- Date: Wed, 2 Feb 2005 23:42:22 +0100
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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