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тАО10-13-2009 12:05 PM
тАО10-13-2009 12:05 PM
Stacking two Enclosures
I have two Blade enclosures (7000c) and each one has two VC-Eth modules, my question is that can i stack both enclosures using the 10-GbE CX4 Cables ?
Thank you
Regards,
Zaid
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тАО10-13-2009 12:43 PM
тАО10-13-2009 12:43 PM
Re: Stacking two Enclosures
You cannot do stacking if you have HP 1/10Gb Virtual Connect
See this document for more information:
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=115&prodSeriesId=3794423&prodTypeId=3709945&objectID=c01724621
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тАО10-13-2009 10:28 PM
тАО10-13-2009 10:28 PM
Re: Stacking two Enclosures
You can find me from Twitter @JKytsi
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тАО10-13-2009 10:29 PM
тАО10-13-2009 10:29 PM
Re: Stacking two Enclosures
You can find me from Twitter @JKytsi
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тАО10-13-2009 11:30 PM
тАО10-13-2009 11:30 PM
Re: Stacking two Enclosures
Stacking is there to...
1. Use a limited number of uplinks
2. Let network traffic commnicate within the enclosures. This does not work if you have PRIVATE enabled on the Vnets
This is not the same as a Multi-enclosure domain - which allows you to move profiles between enclosures.
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тАО10-14-2009 02:14 AM
тАО10-14-2009 02:14 AM
Re: Stacking two Enclosures
I just didn't thought that somebody can do stack between enclosures and not use one VC domain
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тАО10-14-2009 04:02 AM
тАО10-14-2009 04:02 AM
Re: Stacking two Enclosures
I think stacking them requires that you have the same Vnet & SUS configs - you just cant move profiles between enclosures.
The memory issue of the original VC modules is I believe the reason why 2.30 firmware comes in different versions for different SAN virtual connect modules. It cant fit all the possible combinations in the restricted memory.
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тАО10-14-2009 06:01 AM
тАО10-14-2009 06:01 AM
Re: Stacking two Enclosures
I want to thank you all for your help.
What is the supported firmware revision for enabling the stacking?
The reason why I need the stacking so I don├в t have to use external switches to communicate between the servers on the different enclosure. I├в m thinking of clustering the servers between the two enclosures.
I have created the attached diagrams for the VC-Eth configurations and port mapping and I need your feedback on it.
Thank you.
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тАО10-14-2009 11:40 AM
тАО10-14-2009 11:40 AM
Re: Stacking two Enclosures
Support the ability to connect two VC domains together (SE or ME) by directly connecting their uplinks (no switch in between) to form a private network.
You can find me from Twitter @JKytsi
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тАО10-15-2009 03:23 AM
тАО10-15-2009 03:23 AM
Re: Stacking two Enclosures
Since I am not a windows or linux type, I cant comment on your clustering plans, (although I'm sure if there is something amiss, someone will comment). I would however offer the following comments,
1. Looking at your attachment, it looks like only APP/WEB1 and APPWEB2 require access to the external network, however you are only showing access via VCEnet Module 1 in each enclosure. So, a failure of either of the modules in Bay 1 would force a failover between APP/WEB1 <--> APP/WEB2 (assuming they are clustered)
2. It also looks like the APP/WEB1 and APP/WEB2 servers each have a "free" nic (NIC4), so why not run an additional uplink from the ENet modules in IC Bay 2 on each enclosure, to the network switch, and team NICs 3 and 4 on the servers. (Note: I believe that NIC4 is hard wired to IC BAY 2 anyway)
With this done, a failure of the ENet Modules in either of the IC Bay 1's would not cause a system/app failover, just a NIC failover.
With the current configuration (as shown), a failure of either of the Bay 1 ENet modules will result in the APP/WEB server in that enclosure being cut off from the network. And, even though the VC Manager will fail over to Module 2, there is no uplink from Module 2.
Hope this is useful.
Dave.