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тАО07-22-2008 08:37 AM
тАО07-22-2008 08:37 AM
Solved! Go to Solution.
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тАО07-22-2008 09:27 AM
тАО07-22-2008 09:27 AM
Re: What's needed to get started on a blade cluster
rgds,
lmm
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тАО07-22-2008 09:56 AM
тАО07-22-2008 09:56 AM
Re: What's needed to get started on a blade cluster
Thanks.
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тАО07-22-2008 10:16 AM
тАО07-22-2008 10:16 AM
Re: What's needed to get started on a blade cluster
http://docs.hp.com/en/A-XCHWP-321/ch01.html?btnPrev=%AB%A0prev
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тАО07-22-2008 10:41 AM
тАО07-22-2008 10:41 AM
Re: What's needed to get started on a blade cluster
Is it Windows Server 2003 or 2008?
There's a big difference between them because Microsoft completely revised the core architecture for clustering services in Windows 2008.
To have a real cluster you should not have any SPOF (Single Point Of Failure).
Do you plan to have one node on each c7000 enclosure? What type and qty of interconnects do you have in each enclosure?
What additional hardware do you have on your blade servers (Mezzanine Cards)?
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тАО07-22-2008 11:15 AM
тАО07-22-2008 11:15 AM
Re: What's needed to get started on a blade cluster
It will be Windows 2003 Enterprise. The first enclosure will not be involved in the cluster. That enclosure is pretty much set with the servers we need. The new enclosure right now only has 4 bl460's, no mezzanine cards and 2 GbE2c switches. It's not going to be the most mission critical cluster, so I understand about single point of failure, but willing to make some sacrifices, based on budget.
Here's what I'm thinking so far and let me know where I am wrong.
First, I'm thinking of going iScsi for the connection to the storage. Maybe an MSA2000i for the storage. I know I'm short Nics on the bl460's, so I'm thinking mezzanine cards for additional nics. One iScsi connection to the storage device. Maybe create a vlan on the switches for the heartbeat. Then a third nic for regular network connectivity. I know it's not optimal, but is it a start? Once I have the hardware figured out, I have no problem creating a Windows Cluster.
Thanks.
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тАО07-22-2008 11:46 AM
тАО07-22-2008 11:46 AM
Re: What's needed to get started on a blade cluster
It's the same in Eric's thread regarding C7000).
On your BL460c you have 2 embedded Ethernet controllers which are mapped to interconnects 1 and 2. So, adding more NICs in the form of mezzanine cards will require you to add more interconnects to the back of the enclosure. This could be Ethernet Switches, Ethernet Virtual Connects or Ethernet Pass-Through.
Since you're going for iSCSI I would advise you to add 2 more switches, like the ones you already have, and a Dual-Port Ethernet Mezzanine Card to each of your blade servers (at least the ones that will form the cluster).
Then configure 3 VLANs: The first one for the production network, the second one for the cluster heartbeat and the last one for iSCSI.
In this case, you will have 4 NICs so you could use HP NIC Teaming on the Production or iSCSI networks.
HTH
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тАО07-22-2008 06:11 PM
тАО07-22-2008 06:11 PM
Re: What's needed to get started on a blade cluster
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тАО07-22-2008 06:52 PM
тАО07-22-2008 06:52 PM
Re: What's needed to get started on a blade cluster
In that case you'll only have connectivity on one of the ports of each mezzanine card because the other one maps to the redundant bay.
Perhaps if you open the Port Mapping under a Device Bay on the Onboard Administrator web interface you can understand it more clearly.
HP BladeSystem c-Class is designed to work with redundant I/O so if you go for this scenario be prepared for warnings that might be triggered by the OA regarding lack of redundancy or incorrect hardware configuration/positioning.
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тАО07-23-2008 05:50 AM
тАО07-23-2008 05:50 AM
Re: What's needed to get started on a blade cluster
4 switches
BL460 in bay 1 with a dual port mezzanine card.
NICs 1 and 2 on the blade in bay 1 map to ports 1 on switches 1 and 2 (I would team these nics?)
NIC 3 on blade 1 maps to port 1 on Switch 3. Let's say we create a vlan on switch 3 for the heartbeat
NIC 4 on Blade 1 maps to port 1 on switch 4. Let's say we create a vlan on switch 4 for the iscsi network.
Same for the blade in bay 2, etc.
Do you like the MSA 2000i as the mass storage in this scenario or do you suggest something else.
Thanks again. You've been an unbelievable help.