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тАО07-22-2009 03:32 PM
тАО07-22-2009 03:32 PM
Please provide the detailed procedure to configure the Active/Active MC-SG cluster in 2-node environment.
I have done Active/passive configuration before..is it different from that in configuration. Please tell the main difference also in configuration between them.
Thanks
Solved! Go to Solution.
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тАО07-22-2009 03:50 PM
тАО07-22-2009 03:50 PM
Re: Active/Active Cluster configuration
1) You need an application that supports active-active. You can not do this with Oracle Server, it will corrupt the data. You can with Oracle RAC
2) vgchange -a e becomes vgchange -a s
Activate the shared storage in shared mode so both nodes can read and write to it.
3) You don't have a floating ip address, you can use the IP addresses of the system and even load balance.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО07-22-2009 04:34 PM
тАО07-22-2009 04:34 PM
Re: Active/Active Cluster configuration
thanks
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тАО07-22-2009 07:52 PM
тАО07-22-2009 07:52 PM
Re: Active/Active Cluster configuration
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тАО07-22-2009 10:31 PM
тАО07-22-2009 10:31 PM
Re: Active/Active Cluster configuration
Your request is meaningless without some sort of context - kind of like saying "please tell me how to build a building" - are you talking about a lean-to shack or a 50 storey skyscraper...
The first point to clear up is what you mean by "active-active". Unfortuuntaely thanks to Microsoft attempting to change the meaning of the term it can now either mean:
- A Cluster in which a single application concurtrently accesses one set of data from multiple nodes (like Oracle RAC) - this is what SEP was referring to.
-or-
- (The Mircrosoft interperetation of active-atcive) A cluster in which both nodes host seperate applications accessing seperate data with the capability to fail over to each other.
So the first question is "what type of cluster do you mean?"?
The second question is what sort of application do you want to run in it?
Without an application and packages, the difference in Serviceguard between active-passive and active-active is zero.
HTH
Duncan
I am an HPE Employee
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тАО07-22-2009 10:59 PM
тАО07-22-2009 10:59 PM
Re: Active/Active Cluster configuration
I agree with Duncan, you have to read, then read, and read again, until you get the full picture and start planing your work.
And thanks again to microsoft turning all terms up side down.
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тАО07-23-2009 07:40 AM
тАО07-23-2009 07:40 AM
SolutionFor Active/Active HP-UX MCSG Cluster Node Configuration that is fully depends on the customer requriment.
As you know the Active/Active Cluster is used for Applicatio Environment.
And in the Oracle Databse Environment you can use with Oracle RAC(Real Application Cluster.
Active/Active Cluster used maxium in the Core Banking Environment.
At the time Active/Active Cluster Installation those VG u requried to be Active in second cluster node.
Use the following commands to setup VG on another cluster node.
# vgexport -s -p -m /tmp/vgtu1.map /dev/vgtu1
Copy the map file to second cluster node.
# rcp /tmp/vgtu1.map tcidb02:/tmp/vgtu1.map
Import the VG using the map on second cluster node.
# vgimport -s -m /tmp/vgtu1.map /dev/vgtu1
Then after done every thing the VG active in the shared mode for which active/active cluster.
Activate the shared VG in the shared mode then the both node can read write.
Use to active the VG in the pkg cntl file in place of vgchange -a e vgname to vgchange -a s vgname
# vgchange -a e vgname
# vgchange -a s vgname
Thanks
Vinod Kumar Yadav
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тАО07-23-2009 07:57 AM
тАО07-23-2009 07:57 AM
Re: Active/Active Cluster configuration
Requested information. An HP document.
http://docs.hp.com/en/T1859-90017/T1859-90017.pdf
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com