RE: ASM is single point of failure ?
- From: "Andrey Kriushin" <Andrey.Kriushin@xxxxxxxx>
- To: kevinc@xxxxxxxxxxxxx
- Date: Tue, 9 May 2006 01:49:53 +0400 (MSD)
Thanks for corrections, Kevin. You're completely right. Shame on me.
- Andrey
> The misconceptions are the most frightening aspect of ASM.
>
> People are willing to use it and have ZERO idea what it is.
> Oddly, I find people fearing things that do not relate whatsoever
> (such as the above), but ignoring the bold, glaring issues.
> It just bogles my mind.
>
> ASM is not in the I/O code path. Huh, what did he say? Oracle
> positions and performs reads and writes and that is done with
> either libC, LibODM or if you are a real experimental type ASMLib (on
> Linux). There are no comms between a shadow process and an ASM process
> for I/O (e.g., db file sequential read, direct path write, etc). There
> is for metadata ops, such as adding a datafile, or adding an extent,
> dropping a datafile, etc...
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