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Connect MSA 2312fc G2 to 4 SAN switch

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Osama Odeh_1
Regular Advisor

Connect MSA 2312fc G2 to 4 SAN switch

we have MSA 2312fc G2
can we connect this storage to two qlogic SAN switches(using only 1 port from each controller A and B for MSA2000 left ports
...
and connect another two cisco mds (HP BLade SAN switches) to the same storage by using the the right two ports on MSA controllers for HP blade servers access

Thanks in ADV
8 REPLIES
Sivaramakrishna_1
Honored Contributor

Re: Connect MSA 2312fc G2 to 4 SAN switch

Practically it is possible. But you must have 2 ports on each host and connect to both the SAN switches to achieve Controller redundancy.
Osama Odeh_1
Regular Advisor

Re: Connect MSA 2312fc G2 to 4 SAN switch

but what happend if one controller failed
Uwe Zessin
Honored Contributor

Re: Connect MSA 2312fc G2 to 4 SAN switch

Then the other controller should take over the management of the vdisk and its volumes.
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Bhavnish Kamboj (BK)
Trusted Contributor
Solution

Re: Connect MSA 2312fc G2 to 4 SAN switch

Checkout below document which has all type of configuration: (Page 10)

http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c01755933/c01755933.pdf


Best practice is to have one port from each controller should go to host, which will provide you path level and controller level redundancy.


Please assign points if this help you.
Osama Odeh_1
Regular Advisor

Re: Connect MSA 2312fc G2 to 4 SAN switch

can we present the same volume to all hosts on connected to the four san switches without probelm for redundancy if each host has two hba connectd to two san switch.
Bhavnish Kamboj (BK)
Trusted Contributor

Re: Connect MSA 2312fc G2 to 4 SAN switch

If you are presenting the same volume to more than one independent hosts (means not in cluster) then you will corrupt your data. As one Volume can hold one Host Signature at a time.

Thanks,
BK
Osama Odeh_1
Regular Advisor

Re: Connect MSA 2312fc G2 to 4 SAN switch

I know that, but in our case all servers are esx servers so no problem for volume signiture signiture
Bhavnish Kamboj (BK)
Trusted Contributor

Re: Connect MSA 2312fc G2 to 4 SAN switch

Yes, in that you must assign all volumes to all ESX hosts and make sure they retain same lun id while assigning as it will help you in doing failover of a VM to another ESX.

BK