What is the maximum number of ASM disk groups in one ASM installation?

What is the maximum number of ASM disk groups in one ASM installation?

What is the maximum number of ASM disk groups in one ASM installation?

A.
10

B.
63

C.
64

D.
511

E.
512

F.
Unlimited

Explanation:
ASM instances are smaller than database instances. A 64 MB SGA should be sufficient for all but the
largest ASM installations.

http://docs.oracle.com/cd/B19306_01/server.102/b14231/storeman.htm

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Prabhat

Prabhat

D >>>>>>

Oracle ASM Storage Limits
Oracle ASM provides near unlimited capacity for future growth, but does have some storage limits. Oracle ASM has the following limits on the number of disk groups, disks, and files:

511 disk groups in a storage system for Oracle Database 12c Release 1 or later

10,000 Oracle ASM disks in a storage system i.e The maximum number of disks across all disk groups is 10,000.

1 million files for each disk group.

++++++++++++++++++++
If COMPATIBLE.RDBMS is set to 10.1, the file size limits are less. For example, with COMPATIBLE.RDBMS equal to 10.1 and the AU size equal to 1 MB, Oracle ASM file size limits are:

External redundancy: 16 TB
Normal redundancy: 5.8 TB
High redundancy: 3.9 TB

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