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тАО11-21-2005 03:57 AM
тАО11-21-2005 03:57 AM
PA-XP in MC/ServiceGuard environment
The standard PA-XP installation instructions does not seem to address a clustered environment.
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тАО11-21-2005 08:12 AM
тАО11-21-2005 08:12 AM
Re: PA-XP in MC/ServiceGuard environment
However, What you're looking to do shouldn't be rocket science...
The data collection is done by the Host Agents, which forward the data to the PA server, so collecting the data should be no problem.
All you should need to do is take the PA startup scripts and put them under SG control, along with the VIP and PA database LUN/filesystem and the program files. PA itself is nothing much more than an Apache webserver and a Solid(tm) database.
You'll probably have to set something up with DFS to get the filesystem namespace to work - I don't recall exactly, but as I remember, it assumes you're installing on C:.
Good luck,
Vince
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тАО11-22-2005 01:13 AM
тАО11-22-2005 01:13 AM
Re: PA-XP in MC/ServiceGuard environment
I would like to run the PA-XP host agent as a SG package such that I can point PA at the VIP. Both nodes have access to the command devices.
I think I will need a local agent on each node to forward its own performance data to the PA workstation, but then I think I also need another agent installed on the shared storage and tied to the VIP.
I can't find ANY documentation on this topic yet.
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тАО11-22-2005 08:17 AM
тАО11-22-2005 08:17 AM
Re: PA-XP in MC/ServiceGuard environment
You can collect data from ONLY ONE host with PA. The one host collects data for the entire array, and therefore for all the other hosts.
Other hosts with PA Host Agents don't do any more than send an "xpinfo" once in a while to the PA host. (you have to give the PA host agent the IP addr of the PA host during install).
So, as long as you refer to the cluster by the VIP all the time, I don't see why PA would mind if the VIP failed over to another host.
In other words, it should "just work".
Are you having trouble making it work, or are you still planning this?
Regards,
Vince
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тАО11-23-2005 05:00 AM
тАО11-23-2005 05:00 AM
Re: PA-XP in MC/ServiceGuard environment
I should be able to specify the virtual host (VIP) name in the PA configuration screen.
As far as I can tell, I can have one host collecting for many arrays, but not the other way around.
Any other gotcha's or ideas would be greatly appreciated.