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тАО06-22-2009 06:55 AM
тАО06-22-2009 06:55 AM
Solved! Go to Solution.
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тАО06-22-2009 07:24 AM
тАО06-22-2009 07:24 AM
SolutionIMO: Best configuration is what we're fortunate enough to employ now.
Two SAN switches maintaining their own fabrics.
1/2 of our EVA ports plug into each SAN switch.
Within those switches we use the storage blades ( fewer ports per port group hence less contention for storage bandwidth ) for our disk arrays.
We have 2 storage blades per switch. So with 4 storage blades total, each storage blade gets 2 of our EVA connections.
Within those storage blades each EVA connection is using a different port group.
To summarize:
Divide amongst switches where possible.
Divide amongst blades in switches where possible.
Use storage blades where possible.
Divide amongst port groups in blades ( or switches if using single unit switches ) where possible.
Hope this helps... these are the best practices we use.
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тАО06-22-2009 11:39 AM
тАО06-22-2009 11:39 AM
Re: Best practice: Which switch ports to connect EVA to?
As stated above you should consider dividing among port groups on the fc switches.
Cabling the EVA depends on which EVA it is, and what software it's running. (older vcs 3 cabling is different than todays cabling)
Also if using CA the cabling would be different among fabrics.
Genereally when not using CA, the cabling is done with the even ports going to one fabric, and the uneven ports going to the second fabric.
FABRIC ONE
CTRL #1 FP1
CTRL #2 FP1
CTRL #1 FP3
CTRL #2 FP3
FABRIC TWO
CTRL #1 FP2
CTRL #2 FP2
CTRL #1 FP4
CTLR #2 FP4
Regards,
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тАО06-22-2009 01:22 PM
тАО06-22-2009 01:22 PM
Re: Best practice: Which switch ports to connect EVA to?
Though Brocade has no bad record about ASIC failure (which manages ports in group of 4) but to be on safer side you are always open to have the EVA connections (2 per switch) spread across different ASICs.
My 2 cents...
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тАО06-23-2009 05:35 AM
тАО06-23-2009 05:35 AM
Re: Best practice: Which switch ports to connect EVA to?
Your guess is correct...
>> My guess is that you wouldn't want them to be on consecutive ports (i.e. 0 & 1).
Depends on your switch model (ASIC), means you can connect 4&5 ;)
Rgds,
sreekanth.
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тАО06-26-2009 06:30 AM
тАО06-26-2009 06:30 AM
Re: Best practice: Which switch ports to connect EVA to?
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тАО06-26-2009 06:49 AM
тАО06-26-2009 06:49 AM