RE: ASM Host Mirroring

  • From: "Powell, Mark D" <mark.powell@xxxxxxx>
  • To: "oracle-l" <oracle-l@xxxxxxxxxxxxx>
  • Date: Tue, 19 Feb 2008 16:17:24 -0500

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 



        From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of LS Cheng
        Sent: Tuesday, February 19, 2008 2:33 PM
        To: oracle-l
        Subject: ASM Host Mirroring
        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?

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