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тАО03-30-2011 09:45 AM
тАО03-30-2011 09:45 AM
I am currently using Virtual Connect on my enclosures (although this is being reassessed as part of this reconfiguration.). My blades are bl860c's (Itanium) and my OS is OpenVMS.
Although we currently use VC, and are not particularly unhappy with it, leases are approaching expiration, and therefore it is time to reassess our whole approach. So VC could go, if a "better" option offers itself. I am looking into iSCSI on OpenVMS, but I think it is still in its infancy, and therefore would not be considered an option. So;
At the moment I connect from my VC modules, to my EVA's, via an external FC Switch. I am checking out configurations which would allow me to drop the external switch, so I have 3 questions.
1. Is it possible to connect my VC FC modules directly to the EVA embedded SAN switch?, i.e. are the embedded SAN ports NPIV capable?
2. If I get rid of VC and install Brocade SAN switch modules instead, will this remove the need for external SAN switch, and allow direct connection to the EVA4400.
3. If I get rid of the VC and install FC Pass-thru modules, will this remove the need for external SAN switches?
thanks in advance for any comments.
Dave.
Solved! Go to Solution.
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тАО03-30-2011 11:16 AM
тАО03-30-2011 11:16 AM
Re: Connecting to EVA4400 from C7000
What is driving the need to eliminate the SAN switches?
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тАО03-30-2011 11:44 PM
тАО03-30-2011 11:44 PM
Solution1. The EVA4400 (HSV300-S) that comes with embedded SAN-switch is like a normal brocade-switch. They do support NPIV. The external ports are 8Gbps, but the internal ports to the disk controller are 4Gbps.
2. Yes, for the C7000. Might be good to have the external switches for other systems that want to access the EVA. And then it feels safer to have the EVA connect to the external SAN switch.
3. No, well. Depends on how many blades you have. If you get the EVA4400 with embedded SAN-switch: check how many external ports there is on it. 8 or 10 or something like that per controller.
If you do not get the one with embedded SAN sw you would need to keep the external SAN-switches.
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тАО03-31-2011 03:24 AM
тАО03-31-2011 03:24 AM
Re: Connecting to EVA4400 from C7000
The leases referred to above are on the c7000's and the contents, so although we will probably continue to run the c7000's and the Itanium Blades (OS requirement), we may opt for a different Interconnect configuration, both Ethernet and FC.
As I said above, this is just an investigation of our options.
thanks
Dave.
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тАО03-31-2011 03:47 AM
тАО03-31-2011 03:47 AM
Re: Connecting to EVA4400 from C7000
I'm looking at setting up a new solution using a c7000 and a 'small' eva with embedded san (no external san switches) and have got as far as choosing the option discussed in question 1.
I think the options getting rid of VC means the loss of nice to have features such as moving profiles and rapid hardware replacement which we use and take for granted. The price differential didn't seem to be too much of an issue.
Losing the external san switches does present the problem of attaching backup tape devices so am looking at a blade housed option.
Have you found any information regarding any replacement for the eva4400? I noticed the 4400 'starter kits' are listed as retired on HP product bulletin.
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тАО03-31-2011 09:51 AM
тАО03-31-2011 09:51 AM
Re: Connecting to EVA4400 from C7000
For the same rack real estate occupied by a c7000 you could rack in a few 2U rx2800i2's. You might need a pair of fabric switches, but the complexity would be much less than with VC.
I am not a fan of blades if the installation is for one chassis which is half full...
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тАО03-31-2011 10:52 AM
тАО03-31-2011 10:52 AM
Re: Connecting to EVA4400 from C7000
I am looking at reconfiguring the Itanium blades into 2 c7000 enclosures (one at each of two data centers), with 5-6 bl860s in each. The idea is to set up the OpenVMS production cluster and Development systems in a self contained configuration such that the window's/Linux/Oracle servers can do their own thing without having to constantly take into account the OpenVMS platform. In particular, the optimal hardware configuration (with respect to positioning Mezz cards and interconnect modules) for Proliants running VMWare is much more stringent than my OpenVMS requirements. So separating the configurations makes sense.
All I am doing right now is familiarizing myself with the various hardware options, to see what will best fit my bill. As it happens, I am a fan of the blade system, and Virtual Connect, but that doesnt mean that I stop re-examining my setup. Things change over time and need to stay in touch.
Dave.
Dave.
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тАО03-31-2011 09:04 PM
тАО03-31-2011 09:04 PM
Re: Connecting to EVA4400 from C7000
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тАО04-01-2011 07:55 AM
тАО04-01-2011 07:55 AM
Re: Connecting to EVA4400 from C7000
Also Note, the advisory you mentioned (which I experienced) had no effect on Server/SAN communication. The "NO COMM" state was between the OA's and the interconnects, and did not affect access to the external network or SAN. (with the one exception that if your configuration required your communication to traverse a stacking link). In my environment, stacking links are used primarily for redundancy, and we therefore did not experience any application or system outages due to this issue. It was more of a nuisance than anything else.
Dave.
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тАО02-14-2012 08:27 PM
тАО02-14-2012 08:27 PM
Re: Connecting to EVA4400 from C7000
I have an EVA4400 with (2) 8/8 FC Brocade switch would like to connect it to a c7000 blade enclosure with Flex FC 8/20.
The virtual connect flex 10 module is working fine..I really need help connecting VC FC to EVA 4400 Storage
Help!!!.