RE: Oracle RAC private Interconnect
- From: "Kerber, Andrew W." <Andrew.Kerber@xxxxxxx>
- To: smishra_97@xxxxxxxxx, oracle-l@xxxxxxxxxxxxx
- Date: Fri, 13 Jul 2007 11:42:11 -0500
You also have to set up the virtual ip, which is what is used in the
failover. Run vipca. Also, be sure and run cluvfy
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Sanjay Mishra
Sent: Friday, July 13, 2007 11:03 AM
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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