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 Post subject: Windows 2008 MPIO
PostPosted: Mon Nov 14, 2011 3:55 am 

Joined: Mon Nov 14, 2011 3:43 am
Posts: 1
Hi.
Having a F400 system.
I have connected a vmwarecluster with 8 hosts and a Exchange 2007 CCR cluster.

I have problems with path in Windows enviroment.

In ESX hosts i see all 8 path to LUN. But in W2K8 i only see 4 path to LUN.
The zooning is exactly the same for ESX as Windows.
The persona for Win is 2 (customer runs Win2k8 NOT R2).

Why the h*** do we not see all 8 path to LUN?
And another thing is.
On the 2 Exc2007 nodes we see the disks from each other Exc2007 in diskman (we set the volumes offline in diskmanager.

We have 2 Exc2007 Nodes in 3Par and present 3 LUNS to each CCR node.
CCRNODE1=3 LUNS
CCRNODE2=3 LUNS
And in zooning the are separeted.......

Does anybody seen this
Im realy confused

/Bjorn


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 Post subject: Re: Windows 2008 MPIO
PostPosted: Fri Nov 18, 2011 4:44 pm 
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Joined: Tue Aug 18, 2009 10:35 pm
Posts: 1328
Location: Dallas, Texas
Persona 2 enables ALUA, I use Persona 1 for all my 2003/2008 servers and clusters. To be honest, I've never had the need for ALUA so I don't know a whole lot about it.

Make sure your Windows 2008 nodes have the MPIO role installed and configured for 3PAR.
Attachment:
MPIO_2008.JPG
MPIO_2008.JPG [ 38.98 KiB | Viewed 25043 times ]


If you can run these commands and post the output, please do:

showhost <exch server 1>
showhost <exch server 2>
showvlun -host <exch server 1>
showvlun -host <exch server 2>

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Richard Siemers
The views and opinions expressed are my own and do not necessarily reflect those of my employer.


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 Post subject: Re: Windows 2008 MPIO
PostPosted: Wed May 16, 2012 11:23 pm 

Joined: Mon Apr 09, 2012 8:51 pm
Posts: 9
question for 3PAR MPIO for ubuntu 12

I have ubuntu 12 server and need to hook up with a F400, is there any issue if i use the ubuntu native MPIO since there is no MPIO provide by 3PAR for ubuntu. Is there any concern on using the native MPIO?


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 Post subject: Re: Windows 2008 MPIO
PostPosted: Wed Jun 13, 2012 4:43 am 
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Location: Dallas, Texas
Disclaimer: I am no linux expert.

While I believe it is possible for you to compile MPIO into your ubuntu... I believe the preferred method for multipathing in linux is "Device Mapper" and should already be part of the distro, no compiling required.

https://help.ubuntu.com/12.04/servergui ... p-overview

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Richard Siemers
The views and opinions expressed are my own and do not necessarily reflect those of my employer.


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 Post subject: Re: Windows 2008 MPIO
PostPosted: Thu Jun 14, 2012 7:06 am 
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Joined: Thu Jun 14, 2012 7:02 am
Posts: 1
Richard is right - you should just need the bundled "multipathd" in Linux.

The command "multipath -l" should show you the device, and the devices it uses as the different paths.


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