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Old 07-03-2011, 05:42 AM   #1
d.azhar21
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Linux Active Passive Clustering


Hi Friends,

I need to create a Operating system Active Passive Cluster. I am using HP DL 580 G5 servers, I am using Oracel Enterprise Linux 5.3 64bit Tikanga. I am looking forward to have a OS clustered environment where if one node goes down then second node should come up automatically and all the services should be redirect to the second node.

Can you guys please help me out in this issue to get rid of it. I searched the internet but i didnt find any site / document which matches my scenario.

Awaiting you experts reply on this issue.

Thanks,
 
Old 07-03-2011, 02:55 PM   #2
Tinkster
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Hi, welcome to LQ!

And what were the search terms you used to describe the problem?


Cheers,
Tink
 
Old 07-04-2011, 01:46 AM   #3
d.azhar21
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Hi Tink,

I used the terms like "active passive clustering in linux", oracle enterprise linux active passive cluster, linux clustering etc etc.

Awaiting your reply.

Thanks,
 
Old 07-04-2011, 02:19 AM   #4
Tinkster
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Sorry mate, I won't do your research/work for you; if you don't specifically
look for "oracle linux" you should find heaps of doco on Linux HA, with active/
passive scenarios to boot. A cursory read over google search results for your
search terms gives a wealth of appropriate links.


Cheers,
Tink
 
Old 07-05-2011, 02:43 AM   #5
d.azhar21
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Registered: Jul 2011
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Hi Tink,

I didnt ask you to do my work. Did I? You asked me the search term and I mentioned it, that's it. I don't know in what sense you have taken it.

Anyways, THANKS FOR YOUR REPLY & HELP.
 
Old 07-05-2011, 03:45 PM   #6
pingu
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I just recently started looking at this myself, there are several ways to accomplish this.
Actually, what you should start with is draw a logical and a physical diagram of your network as it is, and another logical diagram showing how you want it to function.
Then document your networking hardware (routers, switches et al) to see what they are capable of.
The reason for why I would need this is that redundancy can be created in many ways, some of them also include load-balancing which might be of interrest or might not be.

A few hints to study further:
1) Bonding for servers nic's - as Tinkster mentions, do a broad search.
2) Routers / firewalls with fail-over capability (eg pfSense - my choice for firewall)
3) Using switches that can be stacked / with trunks / vlan's
4) Using software like HAProxy, Linux-HA to name two - there are probably more to find (and yes, HA is a keyword to use!) - maybe Oracle has some solution themself (Novell for instance have SLES HighAvailabilityExtension)

Just a few tips to get you started.

Last edited by pingu; 07-05-2011 at 03:48 PM. Reason: Spelling
 
  


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