The ASMDG agent mounts the ASM disk groups that the Oracle databases use, monitors the status, unmounts the ASM disk groups.
You must have specified the disk group names in the DiskGroup attribute of the ASMDG agent.
Table: ASMInst agent operations lists the ASMDG agent operations.
Table: ASMInst agent operations
Agent operation
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Description |
Online
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Mounts the specified Oracle ASM disk groups to an ASM instance by using the following SQL command:
alter diskgroup dg_name1, dg_name2 mount
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Offline
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Unmounts the specified Oracle ASM disk groups from an ASM instance by using the following SQL command:
alter diskgroup dg_name1, dg_name2 dismount
Note: |
The following Oracle message appears in the VCS log when an ASM instance with no ASM disk groups mounted is shut down:
ORA-15100: invalid or missing diskgroup name
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Monitor
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Verifies the status of the specified ASM disk groups.
The disk groups can be in one of the following states:
mounted
dismounted
unknown
broken
connected
If multiple ASM disk groups are configured for a resource, then the ASMDG agent returns the resource state considering the status of all the specified ASM disk groups.
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Clean
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Forcibly unmounts the Oracle ASM disk groups by using the following SQL command:
alter diskgroup dg_name1, dg_name2 dismount
force
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