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ca eva zone planning

 
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singvey
Frequent Advisor

ca eva zone planning

1.I have two sites (site-a,site-b)
site-a has the following hardware:
2 compaq gs80 with two hba fc cards
one san switch 2/8v
one eva4000
one dl380 storage server
the two gs80 alpha servers with true64 configured with trueclusture

site-b has the follwing hardware(without alpht gs80 server):
one san switch 2/8v
one eva4000
one dl380 storage server

3. I have to install my oracle database on true64 with truecluster

4. I used the eva4000(site-a) raw disk to contain my oracle datafile

5. I want to backup my site-a eva4000 with site-b eva4000

6. when the site-a eva4000 works normally(is used for alpha gs80 true64 accessing) , I just use the site-b eva4000 make a synchronization replication

7. when the site-a eva4000 fault, the true64 system will use site-b eva4000 to access oracle data
8. when the site-a eva4000 be avaible again,
the true64 will use the site-a eva4000 again.



my question********
How many zones should I configure on each site san switch ??
How to planning each zone , so that gs80 server can access data on eva4000 normally ???


thank you !!!!!!!
1 REPLY 1
Steven Clementi
Honored Contributor
Solution

Re: ca eva zone planning

In order to use CA (Continious Access) your switches will need to be connected through the use of some technology... Dark Fibre, FCiP, etc.

When the switches are connected, they will form 1 fabric. You will only need to create zone in this 1 fabric.

How many zones?... 1 zone for management server(the storage server?) and EVA's, 1 zone for first gs80 and EVA's, 1 zone for second gs80 and EVA's. I count 3, but you can change it a bit to make is 6 if you rather create 2 zones per server (1 for Sita A EVA and 1 for Site B EVA)

If zoned this way, your servers will be able to access the data on both eva's whenever necessary.


The problem I do see is that you do not have enough ports on your switch to handle all the connections. Are you using only 1 HBA from each server? and 1 connection from each EVA controller shelf?


Steven
Steven Clementi
HP Master ASE, Storage and Clustering
MCSE (NT 4.0, W2K, W2K3)
VCP (ESX2, Vi3, vSphere4, vSphere5)
RHCE
NPP3 (Nutanix Platform Professional)