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SAN P2000 & Clustering configuration

 
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p4c
Occasional Advisor

SAN P2000 & Clustering configuration

Hi,
 
We have to install a SAN P2000 on an Hyper-V cluster environement.
We have configure the following thing :
 
Two Serveurs on Windows 2008 R2 with 2 network card each (with 2 ports on each card)
 
Server 1 have  :
 
Administration card : 192.168.0.x / 255.255.255.0
Heartbeat network : 10.0.20.x / 255.255.255.0
ISCSI 1 : 10.0.0.10 / 255.255.0.0
ISCSI 2 : 10.0.0.11 / 255.0.0.0
 
 Server 2 have:
 
Administration card : 192.168.0.x / 255.255.255.0
Heartbeat network : 10.0.20.x / 255.255.255.0
ISCSI 1 : 10.0.0.21 / 255.255.0.0
ISCSI 2 : 10.0.0.22 / 255.0.0.0
 
SAN (HP P2000)
 
ISCSI A1 : 10.0.0.100 / 255.255.0.0 (ISCSI 1 Server 1 card is link to this interface)
ISCSI A2 : 10.0.0.101 / 255.255.0.0 (ISCSI 1 Server 2 card is link to this interface
ISCSI B1 : 10.0.0.102 / 255.0.0.0 (ISCSI 2 Server 1 card is link to this interface)
ISCSI B2 : 10.0.0.103 / 255.0.0.0 (ISCSI 2 Server 2 card is link to this interface)
 
 
ISCSI target are mounted on both server, quorum disk too as majority 
The only problem we have is that ISCSI 1 and ISCSI 2 Network card only communicate with the SAN (Direct Attached configuration)
But they cannot communicate each other. So Server 1 & 2 cannot communicate through their ISCSI 1 & 2 Network Card.
And that's a problem for a cluster environnment.
 
So, the question is : Is there a way to let ISCSI 1 & 2 Network card from each server to communicatate each other ? Maybe there is something to be done on the P2000 SAN ?
 
Thanks in advance,
Regards,
 
Maxime
IT Technician - WATSOFT 
3 REPLIES 3

Re: SAN P2000 & Clustering configuration

As per my understanding resource allocation is the Job of cluster service that you are running. It should take care of your iSCSI cards connectivity.


I work for HPE
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Johan Guldmyr
Honored Contributor

Re: SAN P2000 & Clustering configuration

ISCSI 1 : 10.0.0.21 / 255.255.0.0
ISCSI 2 : 10.0.0.22 / 255.0.0.0

Why?
Why not
ISCSI 1 : 10.0.0.21 / 255.255.255.0
ISCSI 2 : 10.0.1.22 / 255.255.255.0

Do you not want the two iSCSI networks on two separate subnets? With the /8 subnet they are on the same "network" and you would need to use physical/vlan segmentation to separate the networks.

Anyway, why the /8 and /16 subnet difference?

I see that you want them on the same network. Then why not have the same netmask on all interfaces?
p4c
Occasional Advisor
Solution

Re: SAN P2000 & Clustering configuration

Hi,

 

We have find a solution for this configuration. It was a misconfiguration on the Microsoft Cluster part.

Thanks