RE: Oracle RAC private Interconnect
- From: "William Wagman" <wjwagman@xxxxxxxxxxx>
- To: <smishra_97@xxxxxxxxx>, "Kerber, Andrew W." <Andrew.Kerber@xxxxxxx>, <oracle-l@xxxxxxxxxxxxx>
- Date: Fri, 13 Jul 2007 12:31:02 -0700
Sanjay,
You mention a bug due to IP addresses. I am wondering if you could
provide details on that bug as I am currently encountering difficulties
with a CRS installation and wonder if it might be relevant.
Thank you.
Bill Wagman
Univ. of California at Davis
IET Campus Data Center
wjwagman@xxxxxxxxxxx
(530) 754-6208
________________________________
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Sanjay Mishra
Sent: Friday, July 13, 2007 10:45 AM
To: Kerber, Andrew W.; oracle-l@xxxxxxxxxxxxx
Subject: RE: Oracle RAC private Interconnect
Andrew
YEs that is fine as it will be done after clusterware is installed
manually if not invoked by Clusterware installed as there is bug due to
IP addresses. My concern is to get information about the Bonding and
multipathing. I am searching for some information on Google and I
appreciate if you have any link and advice on this setup.
Sanjay
"Kerber, Andrew W." <Andrew.Kerber@xxxxxxx> wrote:
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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