ASM- Cloning across platforms

Hi
We are on 10.2.0.4 and we use ASM to manage storage
Now we usually clone HPUX->Hp UX by copying disk groups to destination disk groups,change ASM Parameter to scan new diskgroups and bring up the database on target.
Now we have to clone a big database on to Linux.
If i follow the same process i.e just copy disks and try to bring up on linux , will it work ?
Is ASM independent of underlying opearting system ?
Thanks

894365 wrote:
Hi
We are on 10.2.0.4 and we use ASM to manage storage
Now we usually clone HPUX->Hp UX by copying disk groups to destination disk groups,change ASM Parameter to scan new diskgroups and bring up the database on target.
Now we have to clone a big database on to Linux.
If i follow the same process i.e just copy disks and try to bring up on linux , will it work ?
Is ASM independent of underlying opearting system ?Hi,
It's not about ASM, no matter what filesystem you're using you must transport (convert) an entire database or tablespace set to a different platform.
It's the same when you copy the datafiles from normal filesystem of HPUX to Linux... the datafile will be copied without problem, but you will not be able to use because the Oracle Dictionary/Binaries is not designed for that platform.
You must execute Cross-Platform Data Transportation always when you change platform.
http://download.oracle.com/docs/cd/E11882_01/backup.112/e10642/rcmxplat.htm
If you want understand why, I suggest you search in the google about Endianness.
Oracle data files with same or different endian format of different platform need be converted.
If I'm not wrong, HPUX is big endian and Linux is Litte Endian.
i.e You must use transportable tablespace, because transportable database is supported only to same endian format, because TABLESPACE SYSTEM cannot be converted using different endian format.
See this example:
http://levipereira.wordpress.com/2011/01/04/oracle-database-cross-platform-migration-to-aix/
Hope this helps,
Levi Pereira
Edited by: Levi Pereira on Nov 3, 2011 3:31 PM

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