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Re: Pointer SuSE 8.0 contains XFS Filesystem

To: Simon Matter <simon.matter@xxxxxxxxxxxxxxxx>
Subject: Re: Pointer SuSE 8.0 contains XFS Filesystem
From: Juergen Sauer <juergen.sauer@xxxxxxxxxxxx>
Date: Wed, 17 Apr 2002 10:09:01 +0200
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <3CBD1DE8.382EEF4F@xxxxxxxxxxxxxxxx>
Organization: AutomatiX GmbH
References: <200204162353.41917.juergen.sauer@xxxxxxxxxxxx> <3CBD1DE8.382EEF4F@xxxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
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Am Mittwoch, 17. April 2002 09:02 schrieb Simon Matter:
> Hi Juergen,

> IIRC you are using SAPDB. Do you run it on XFS? If so, how does it
> perform and can you recommend XFS for SAPDB?
Yes, runns fine. [ SapDB is not Adabas D, Adabas D fails]

Hi Simon,

To my expieriences and tests, it was not possible to me to crash down a 
SapDB (7.3.00.21) Installation on my  notebook by powerdowns during
heavyly SQL-Load.

But keep in your mind, if you have a hardware-caching Controller in a 
Server you need urgent a UPS or you may loose data, which resides at 
writing time in the writebackbuffers of the controllers. A powerloss here 
may be fatal.
This was the only way for me to get XFS + SapDB struggling.
[Also it is not a good idea to hit the reset button during mounting a 
XFS-(Root) Partition and Log-replaying ...]

IMHO it is also a good idea to setup a productive, most perfomant RDBMS 
using RAW devices, in this cases it does not effect the VFS layer of the 
OS.

mfG
        Jojo

- -- 
Jürgen Sauer - AutomatiX GmbH, +49-4209-4699, jojo@xxxxxxxxxxxx **
** Das Linux Systemhaus - Service - Support - Server - Lösungen **
http://www.automatix.de to Mail me: remove: -not-for-spawm-     **
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