Re: Oracle RAC private Interconnect
- From: Sanjay Mishra <smishra_97@xxxxxxxxx>
- To: Robert Bialek <bialekr@xxxxxxxxx>
- Date: Fri, 13 Jul 2007 09:38:55 -0700 (PDT)
Robert
Do you have doc pointing for Teamed Network bonding so that I can check it.
Thanks
Sanjay
Robert Bialek <bialekr@xxxxxxxxx> wrote:
Hi Sanjay,
yes you should have two switches. To achive HA for the interconnect you also
need a teamed network
interface configuration (exp: bonding).
Regards,
Robert
----- Original Message -----
From: Sanjay Mishra
To: oracle-l@xxxxxxxxxxxxx
Sent: Friday, July 13, 2007 6:02 PM
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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