Difference between rebalance power 0 and rebalance power 6 in asm

Hi ,
What is the difference between the below statements and the impact on the database?
alter diskgroup name1add disk '/dev/ora_asm_disk87' rebalance power 0;
alter diskgroup name2 add disk '/dev/ora_asm_disk88' rebalance power 6;
DB version:11.2.0.2
OS:AIX

user13364377 wrote:
Hi ,
What is the difference between the below statements and the impact on the database?
alter diskgroup name1add disk '/dev/ora_asm_disk87' rebalance power 0;
alter diskgroup name2 add disk '/dev/ora_asm_disk88' rebalance power 6;
DB version:11.2.0.2
OS:AIXpower 0 = DO NOTHING.
power 6 = do stuff
power 11 = do stuff faster than power 6 (consume more I/O and CPU)
In the above example, it will actually rebalance both disk87 and disk88 at the same time.
In this example the rebalance of 88 would wait until disk87 rebalance completes.
alter diskgroup name1add disk '/dev/ora_asm_disk87' rebalance power 6;
alter diskgroup name2 add disk '/dev/ora_asm_disk88' rebalance power 6;

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Moderator Message: Please search before posting. Read the [Forum Rules Of Engagement |https://wiki.sdn.sap.com/wiki/display/HOME/RulesofEngagement] for further details.
Edited by: Suhas Saha on Jun 18, 2011 5:33 PM

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