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тАО04-30-2009 06:43 AM
тАО04-30-2009 06:43 AM
can any one there help in understanding following questions
1.What exactly happens when two fabric switch are get connected. i under stand that the second switch's configuration has to be cleared but iam more interested about how the merging happens. Will the connected switches act like single switch?
2. How AL_PA works in EVA controller
"Will be much useful if any can provide storage controller concepts documents".
Thanks
Raja N
1.What exactly happens when two fabric switch are get connected. i under stand that the second switch's configuration has to be cleared but iam more interested about how the merging happens. Will the connected switches act like single switch?
2. How AL_PA works in EVA controller
"Will be much useful if any can provide storage controller concepts documents".
Thanks
Raja N
Solved! Go to Solution.
3 REPLIES 3
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тАО04-30-2009 08:00 AM
тАО04-30-2009 08:00 AM
Solution
Hi,
1. zone merging
http://community.brocade.com/home/thread/2467;jsessionid=555179AF3E0C04707D1BBA3A40161EE2
2. only EVA back-end is AL, there are e.g. (FC-AL Device ports). EVA front end ports are pure FC F-ports.
the functionality is described e.g. here:
http://www.cuddletech.com/veritas/fcal.txt
1. zone merging
http://community.brocade.com/home/thread/2467;jsessionid=555179AF3E0C04707D1BBA3A40161EE2
2. only EVA back-end is AL, there are e.g. (FC-AL Device ports). EVA front end ports are pure FC F-ports.
the functionality is described e.g. here:
http://www.cuddletech.com/veritas/fcal.txt
the pain is one part of the reality
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тАО04-30-2009 10:01 AM
тАО04-30-2009 10:01 AM
Re: help me in understanding storage concepts
Check our forum postings....
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1309158
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1309158
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тАО04-30-2009 10:06 AM
тАО04-30-2009 10:06 AM
Re: help me in understanding storage concepts
1. No, the switches will not simply act like one large switch. For example, each switch requires a unique "Domain-ID", which is part of the 24-bit "Fibre Channel address" (some other popular names are: FCID, PID or N_Port ID ;-)
2. An AL_PA (Arbitrated Loo p_ Phyiscal Address) is just an 8-bit address for devices on an FC_AL (Fibre Channel _ Arbitrated Loop).
FC_AL is complex topic. Does it help if I say that the previous generation used "hard addressing" and the current generation uses "soft addressing"?
2. An AL_PA (Arbitrated Loo p_ Phyiscal Address) is just an 8-bit address for devices on an FC_AL (Fibre Channel _ Arbitrated Loop).
FC_AL is complex topic. Does it help if I say that the previous generation used "hard addressing" and the current generation uses "soft addressing"?
.
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