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тАО01-05-2011 07:52 AM
тАО01-05-2011 07:52 AM
C7000 Multiple VC Domain to Stacked Configuration Change
I currently have 4x C7000 Enclosures, they have been installed one by one, over a period of a year.
Each C7000 has 2x Flex-10 VC modules. Each module has 2x 10GB uplinks to a Procurve switch.
I have multiple vlans configured on the switches & the VC's are configured as mapped - not tunneling, so I have multiple networks configured & 2x shared uplink sets per chassis.
I am interested in changing the configuration to a stacked environment. I have read the cookbook:
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c01990371/c01990371.pdf
But it assumes a blank environment & has no scenario of moving from a non stacked to stacked configuration.
Has anyone done this - or does anyone know how to do this without me reconfiguring the whole set up? Im running out of 10GB ports on the Procurve switches & will need to ensure I have capacity for future C7000 Chassis...
Also - I have read that I can use CX-4 connectors or use DAC cables from the 10GB ports - is this right?
Any help would be great.
Thanks in advance,
Steve
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тАО01-10-2011 07:27 PM
тАО01-10-2011 07:27 PM
Re: C7000 Multiple VC Domain to Stacked Configuration Change
During one VC upgrade, all I/O modules were taken offline and blades lost all connectivity.
After that experience, and general OA/VC instabilities, I'd never link chassis together and I'd seriously reconsider any future HP blade purchases.
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тАО01-11-2011 11:59 AM
тАО01-11-2011 11:59 AM
Re: C7000 Multiple VC Domain to Stacked Configuration Change
Our 10gb SFP-DAC cables from Cisco seem to work fine since about VC 3.10:
->show uplinkport
========================================
ID Enclosure Status Type Speed Used By
========================================
enc0:1:X1 enc1 Linked SFP-DAC Auto uplink_bay1
(Active) (10Gb)
And the latest VCSU (1.5.1) fixes some outage issues during upgrades. I hope those pains are behind us ;-)
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тАО01-19-2011 07:58 AM
тАО01-19-2011 07:58 AM
Re: C7000 Multiple VC Domain to Stacked Configuration Change
You mentioned you needed room for more. In our research so far we can only find that the stacked config supports a max of four enclosures. Your fifth enclosure will be all on its own. Unless you can figure for that or maybe import all new enclosures to an existing domain you may not want to stack them.
These are just a few of our observations and obstacles we have had to think about. Our setup has four enclosures and we are needing to increase throughput between the blades across enclosures and be prepared for future growth.
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тАО01-25-2011 05:59 AM
тАО01-25-2011 05:59 AM
Re: C7000 Multiple VC Domain to Stacked Configuration Change
Thanks,
Steve