Re: ASM versus Filesystems

From: Martin Berger <>
Date: Mon, 8 Mar 2010 09:49:02 +0100
Message-ID: <>


at least CERN uses ASM. And i do not see ASM as additional layer, it reduces one: (ASM instead of Volume Manger + FileSystem).

Can you please specify the 'tests over ASM usually fails', so I can learn from these?

thank you,

On Mon, Mar 8, 2010 at 09:34, Stefano Cislaghi <> wrote:

> Hello,
> despite all data and stats IMHO ASM sucks. ASM is an additional layer,
> managed through an Oracle instance to manage files in a strange manner.I've
> never seen a big oracle installation, for example in a TLC environment where
> I work using ASM. All tests over ASM usually fails. Actually use of pure raw
> devices should be preferable, better if using 8gbit fiber instead iscsi on a
> 1gb ethernet. Yes, managing raw devices is not easy and usually is not a DBA
> work. Also, type of storage is really important.
> Ste
> --

Received on Mon Mar 08 2010 - 02:49:02 CST

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