RE: ASM Host Mirroring

From: Powell, Mark D <mark.powell_at_eds.com>
Date: Tue, 19 Feb 2008 16:17:24 -0500
Message-ID: <D1DC33E67722D54A93F05F702C99E2A901FAAE0E@usahm208.amer.corp.eds.com>

I believe that when "host" based mirroring is in use in relation to ASM that it means the host OS or hardware is performing the mirror function outside of ASM so ASM is not mirroring the disk in this case.  

• Mark D Powell -- Phone (313) 592-5148

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        From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of LS Cheng

	Sent: Tuesday, February 19, 2008 2:33 PM
	To: oracle-l
	Subject: ASM Host Mirroring
	
	
	Hi
	 
	Does anyone know how ASM does host based mirroring. For example

we have two storage arrays with 10 metres distance, two failure groups are created, one per array. How does ASM mirror the extents? Network? Using the Cluster Interconnect? Or a seperate Network?          

        Cheers          

	--
	LSC
	 

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Received on Tue Feb 19 2008 - 15:17:24 CST