RE: Oracle RAC private Interconnect
- From: "QuijadaReina, Julio C" <QuijadJC@xxxxxxxxxxxxxxx>
- To: <smishra_97@xxxxxxxxx>, <oracle-l@xxxxxxxxxxxxx>
- Date: Fri, 13 Jul 2007 14:16:43 -0400
Hello Sanjay,
Have you looked into using IP Multipathing? We are not a Solaris shop.
But I have seen docs on the web (Google is your friend) on how to
configure it. You would need to run vipca and cluvfy to make sure IP
Multipathing works and is a supported option with Oracle 10g.
Julio
________________________________
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Sanjay Mishra
Sent: Friday, July 13, 2007 12:03 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: Oracle RAC private Interconnect
It is recommended to use two Gigabit Switches for RAC Node
Interconnect communication to provide Redundancy and performance. Is
there any setup required on beside configuring two interface like eth1
and eth2 and then specifying them in RAC cluster installation PRIVATE
Interconnect screen.
I am just trying to understand that how the failover or
redundancy is achieved if I unplug one of the Cable on one Node. Is it
been configured by RAC clusterware or I had to tell something to
sysadmin.
Also how performance is achieved in using two Switches.
I am currently having 10g RAC on sun SOlaris 10 with one Gigabit
Switch for QA environment and planning for Production hardware
requirements.
Also If I use Oracle 10g ASM for Storage and RAW device for OCR
and Voting Disk. I am using EMC with Two SAN switches and so 2HBA on
each Node. Anybody has any doc for Multipathing with EMC. My concern is
that both nodes see the RAW Device LUN as well as ASM luns as same and
two HBA should provide the high availability when I will remove one of
the HBA
Thanks
Sanjay
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