RE: ASM tracking datafiles

ASM keeps metadata in the first allocation units of the disks (first two
typically) and also has metadata files (regular ASM files with file
number < 256 so that you would not see them in v$asm_file).
Some info on what metadata files are available is in
https://twiki.cern.ch/twiki/bin/view/PSSGroup/ASM_Internals, more
details in the book Oracle Automatic Storage Management, Osborne Oracle
Press 2007, N. Vengurlekar, M. Vallath and R. Long.

Regards,
Luca

-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of hrishy
Sent: Thursday, February 26, 2009 6:45 AM
To: knecht.stefan@xxxxxxxxx; Niall Litchfield; dannorris@xxxxxxxxxxxxx
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: ASM tracking datafiles

Hi Dan/Niall

Thanks for providing the detailed answer i was looking for.

I have one more question though since ASM does not have a control file
where does it keep the information of all the disks and diskgroups

Luca
Thanks for the valuable link its simply amazing to see the level of
details on ASM on your site very handy for troubleshooting

regards
Hrishy





      
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