I have cx4-120 with 4 storage port and it is connected to 5 servers through 2 brocade switches. Each server has 2 HBAs. How many zones are required for redundancy? Please explain in detail.
Single initiator to multiple target zoning is supported, but single initiator to single target zoning is the preferred and recommend zoning. So this is just a recommendation as per the best practices of EMC.
Anyway everything will work normally and powerpath will show 4 paths to storage (c0t0d1, c0t2d1, etc), additionally each zone will contain only one initiator. Will perfomance go down? or what?
If you have SanCopy installed on your array (and all VNXs pretty much come with SanCopy pre-installed), and you use the type of zoning you mentioned where you have multiple targets in the same zone. Clariion ports will login into each other and might cause issues, that's why it's best to do single init to single target zoning.
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rupal1
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Posted July 26th, 2012 02:00
EMC recommends Single Initiator Zoning.
Single initiator to multiple target zoning is supported, but single initiator to single target zoning is the preferred and recommend zoning. So this is just a recommendation as per the best practices of EMC.
Thanks
Rupal Rajwar