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List:       mysap-linux-general
Subject:    AW: Which JFS is recommended to use for DB-Server
From:       Schneider Armin AII/Pforzheim <Armin.Schneider () aiinformatics ! com>
Date:       2003-09-17 14:49:51
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Hi,

hereby the cut&paste of note 405827:

1. A "journaling file system" reduces the runtime of a file system check,
for example, after the partition was not properly unmounted.However, only
changes to the metadata are logged.Therefore, after a system crashes, no
guarantee can be made that the contents of the data blocks for a file are
correct.For this reason, a journaling file system is not a substitute for
regular backups.
a) "ReiserFS" and "ext3" are both implementations of a "journaling file
system" for Linux.
b) Release for use with SAP applications
Using a "journaling file system" is supported if the Linux distributor and
the database vendor provide support.

Which of the jsf's is supported from SUSE and SAP (SAPDB) ?
Ext3 / reiserfs ?

thanks


-----Ursprüngliche Nachricht-----
Von: "Döhr, Markus ICC-H" [mailto:Markus.Doehr@siegenia-aubi.com] 
Gesendet: Mittwoch, 17. September 2003 16:24
An: 'Schneider Armin AII/Pforzheim'; 'linux.general@listserv.sap.com'
Betreff: RE: Which JFS is recommended to use for DB-Server 

> which JFS ist recommended to use with Linux as DB-Server with 
> SAPDB for Production Use ?

We use RAW devices for the Database and ReiserFS for the filesystem (except
the /boot partition).

There's also a SAP note (405827) on this :-)


Greetz,

SIEGENIA-AUBI KG
Informationswesen
 
i.A.
 
Markus Döhr
SAP-CC/BC, SAPDB-DBA

Tel.:	 +49 6503 917-152
Fax:	 +49 6503 917-7152
E-Mail: markus.doehr@siegenia-aubi.com
Internet: http://www.siegenia-aubi.com  
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