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тАО01-25-2008 07:04 AM
тАО01-25-2008 07:04 AM
Do you have to have two fiber channel cards (A6795A PCI 2GB Fibre Channel adapter) in the host (L3000) and have them each plug into a controller? Basically do we have to have two FC cards in the host or can we make it work with one?
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тАО01-25-2008 07:14 AM
тАО01-25-2008 07:14 AM
Solution
Direct connected?
You should have 2 HBAs.
You will get higher availability.
Consider this: Each array controller owns a redundancy group and the LUNs within. If you access a LUN over the "non-owner" you will get less performance.
Hope this helps!
Regards
Torsten.
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those who understand binary, and those who don't.
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You should have 2 HBAs.
You will get higher availability.
Consider this: Each array controller owns a redundancy group and the LUNs within. If you access a LUN over the "non-owner" you will get less performance.
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
__________________________________________________
No support by private messages. Please ask the forum!
If you feel this was helpful please click the KUDOS! thumb below!
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тАО01-25-2008 07:30 AM
тАО01-25-2008 07:30 AM
Re: VA7410 how many FC cards in host
can you do it with one card? I understand that each controller controlls a Redundancy group and half the drives. If you connect only to controller one do you still have access to both redundancy groups?
And can you connect one card to a switch and then connect the switch to both controllers?
And can you connect one card to a switch and then connect the switch to both controllers?
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тАО01-25-2008 08:07 PM
тАО01-25-2008 08:07 PM
Re: VA7410 how many FC cards in host
Yes you can do it with one card (HBA) on the server but
either all the array groups must be assigned to the same controller on the 7410.
or try using both redundancy groups but the ones assigned to controller TWO would use the 7410 internal crosover bus to connect to the server via controller ONE. There could be some impact on the array.
If you have a switch, zone the server FC port to both controllers and use both redundancy groups.
You should try and get a second HBA on the server.
either all the array groups must be assigned to the same controller on the 7410.
or try using both redundancy groups but the ones assigned to controller TWO would use the 7410 internal crosover bus to connect to the server via controller ONE. There could be some impact on the array.
If you have a switch, zone the server FC port to both controllers and use both redundancy groups.
You should try and get a second HBA on the server.
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