AFAIK this only happens when you're using asmcmd. If you're trying to i.e. delete a file (tested on 11g) that "belongs" to a running instance, it will complain. But ASM itself doesn't "care" about files as far as I've seen so far. Cheers Stefan ========================= Stefan P Knecht CEO & Founder s@xxxxxxxx 10046 Consulting GmbH Schwarzackerstrasse 29 CH-8304 Wallisellen Switzerland Phone +41-(0)8400-10046 Cell +41 (0) 79 571 36 27 info@xxxxxxxx http://www.10046.ch ========================= On Wed, Feb 25, 2009 at 3:11 PM, Niall Litchfield < niall.litchfield@xxxxxxxxx> wrote: > What do you mean by keeps track of? The database keeps track of the > datafiles that belong to it. Not the lvm per se > > On 2/25/09, hrishy <hrishys@xxxxxxxxxxx> wrote: > > Hi > > > > All the docs i have read so far talk about how ASM keeps track of > disks.But > > how does ASM keep track of datafiles and say this file belongs to this > > database etc. > > > > regards > > Hrishy > > > > > > > > -- > > //www.freelists.org/webpage/oracle-l > > > > > > > > -- > Sent from Google Mail for mobile | mobile.google.com > > Niall Litchfield > Oracle DBA > http://www.orawin.info > -- > //www.freelists.org/webpage/oracle-l > > >