Best storage for snapshot controlfile on 11.2.0.2 RAC
- From: Yong Huang <yong321@xxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Wed, 20 Jul 2011 13:35:58 -0700 (PDT)
According to Note 1268725.1 and Bug 10263733, on 11.2.0.2 RAC, the
snapshot controlfile used during RMAN backup must be placed on shared
storage. I've searched on MOS and Internet for what type of shared
storage is commonly used and their pros/cons, without success. What
would you use?
1. Raw disk (may be outdated in Linux)
2. ASM (how?)
3. ACFS (any bugs related to this?)
4. NFS
5. OCFS
6. third party shared filesystem
ASM may be the most natural choice, if supported, and the RMAN command
would probably be
configure snapshot controlfile name to '+DATA/...'
Yong Huang
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