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тАО12-15-2008 12:29 AM
тАО12-15-2008 12:29 AM
Cluster interconnect for Red Hat cluster suite
Hello
I installed (my first) Red Hat cluster suite with two RX6600 servers.
Currently there is just one network switch (will be more in future). Each node has network cards connected to that switch (bound set).
There are two network cards on each member that are not connected (idle).
I can connect them through cross-over cable.
Question:
How to configure them to be used as cluster interconnect (like in TRU64) or heartbeat?
Could not find documentation about that.
I installed (my first) Red Hat cluster suite with two RX6600 servers.
Currently there is just one network switch (will be more in future). Each node has network cards connected to that switch (bound set).
There are two network cards on each member that are not connected (idle).
I can connect them through cross-over cable.
Question:
How to configure them to be used as cluster interconnect (like in TRU64) or heartbeat?
Could not find documentation about that.
In vino veritas, in VMS cluster
3 REPLIES 3
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тАО12-15-2008 02:30 AM
тАО12-15-2008 02:30 AM
Re: Cluster interconnect for Red Hat cluster suite
check this link
http://www.mirrorservice.org/sites/mirror.centos.org/3/docs/html/rh-cs-en-3/s1-config-daemons.html
http://www.mirrorservice.org/sites/mirror.centos.org/3/docs/html/rh-cs-en-3/s1-config-daemons.html
a warrior never quits
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тАО12-15-2008 04:01 AM
тАО12-15-2008 04:01 AM
Re: Cluster interconnect for Red Hat cluster suite
Shalom,
A crossover cable will work between the ilo cards of these two servers.
This will enable you to configure the IP address from the console (there is a prompt on boot) to a pair of compatible IP addresses and then use ilo as a fence device.
This scenario will disable remote access to the servers. It would be better to connect your ilo/remote management cards to a normal cisco switch or your network infrastructure with accessible, public IP addresses.
This will enable you to do remote access and monitoring, though it does somewhat degrade the reliability of ilo as a fence device.
I am assuming that by network interconnect for fencing, a term I'm not familiar with you mean fencing.
What is fencing? Its in the documentation, but what function it performs is preventing data corruption.
If there is a problem with the network and both nodes of the cluster think they are active to a normal oracle server database which does not permit mounting on shared storage from two nodes, fencing will fence off or reboot one of the two cluster nodes and prevent data corruption.
SEP
A crossover cable will work between the ilo cards of these two servers.
This will enable you to configure the IP address from the console (there is a prompt on boot) to a pair of compatible IP addresses and then use ilo as a fence device.
This scenario will disable remote access to the servers. It would be better to connect your ilo/remote management cards to a normal cisco switch or your network infrastructure with accessible, public IP addresses.
This will enable you to do remote access and monitoring, though it does somewhat degrade the reliability of ilo as a fence device.
I am assuming that by network interconnect for fencing, a term I'm not familiar with you mean fencing.
What is fencing? Its in the documentation, but what function it performs is preventing data corruption.
If there is a problem with the network and both nodes of the cluster think they are active to a normal oracle server database which does not permit mounting on shared storage from two nodes, fencing will fence off or reboot one of the two cluster nodes and prevent data corruption.
SEP
Steven E Protter
Owner of ISN Corporation
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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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тАО12-17-2008 04:54 AM
тАО12-17-2008 04:54 AM
Re: Cluster interconnect for Red Hat cluster suite
ahsan, thanks
SEP
As I said, currently there is just one Cisco switch for public network. Fencing devices are HP ILO cards connected to that Cisco switch.
I do not want to move ILO cards to private network.
What I want to do is to prevent fencing if that network switch fails (and FC switches are fine during that failure).
When network switch fail, members should communicate through this cross-over cable.
What is the best way how to it?
And I prefer editing conf files with vi rather then use GUI tools.
SEP
As I said, currently there is just one Cisco switch for public network. Fencing devices are HP ILO cards connected to that Cisco switch.
I do not want to move ILO cards to private network.
What I want to do is to prevent fencing if that network switch fails (and FC switches are fine during that failure).
When network switch fail, members should communicate through this cross-over cable.
What is the best way how to it?
And I prefer editing conf files with vi rather then use GUI tools.
In vino veritas, in VMS cluster
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