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тАО05-31-2004 11:58 PM
тАО05-31-2004 11:58 PM
cluster hardware
Dear Sir
we are implementing SAPR/34.7,we have already procured the development server which is RX1600 Itanium 2.
Now we are about to finalize the Production server which will be in cluster environment.
The concerned thing is we are not sure whether to procure the SAN switch as part of the SAN storage.
Pls let us know is it mandatory to have SAN switch .we will have 2 servers in clusters and a shared data storage.As because the SAN storage(VA7110) is supplied with 2 HBAs and we can connect the 2 servers throgh 2 separate HBAs to the SAN storage.
servers - HP RX2600 - 2 nos
Storage - HP VA7110
waiting for an earliest reply.
thanks & regards
Kesab Kumar Senapati
we are implementing SAPR/34.7,we have already procured the development server which is RX1600 Itanium 2.
Now we are about to finalize the Production server which will be in cluster environment.
The concerned thing is we are not sure whether to procure the SAN switch as part of the SAN storage.
Pls let us know is it mandatory to have SAN switch .we will have 2 servers in clusters and a shared data storage.As because the SAN storage(VA7110) is supplied with 2 HBAs and we can connect the 2 servers throgh 2 separate HBAs to the SAN storage.
servers - HP RX2600 - 2 nos
Storage - HP VA7110
waiting for an earliest reply.
thanks & regards
Kesab Kumar Senapati
3 REPLIES 3
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тАО06-01-2004 01:00 AM
тАО06-01-2004 01:00 AM
Re: cluster hardware
Hello
I dont know the model VA7110, but i worked on a VA7400.
The fc ports you want to connect to are probably on the controller cards. If you connect 1 server to each port it will probably work. BUT, if your 1 controller fails you will not be able to connect to the storage from 1 or your servers.
You want to get a 8 port fc switch.
2 x secure path liciences.
If you get controller failure, you will still be able to access the data from both servers.
If the va7110 is anything like the va7400, the controllers pack up regularly.
Hope this helps.
I dont know the model VA7110, but i worked on a VA7400.
The fc ports you want to connect to are probably on the controller cards. If you connect 1 server to each port it will probably work. BUT, if your 1 controller fails you will not be able to connect to the storage from 1 or your servers.
You want to get a 8 port fc switch.
2 x secure path liciences.
If you get controller failure, you will still be able to access the data from both servers.
If the va7110 is anything like the va7400, the controllers pack up regularly.
Hope this helps.
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тАО06-01-2004 02:39 AM
тАО06-01-2004 02:39 AM
Re: cluster hardware
Well the idea of having SAN is to share large number of host ports or HBA's with limited numberof storage ports by controlling the access with zoning in the switch and masking in the storage array .
That way there is better utilisation of the SAN and you get better return on the investment .
If you want to attach a multiple servers to the same storage array , then ypu will need switch . But if you want just two of your servers then probably you can just direct attach them without the switch .
That way there is better utilisation of the SAN and you get better return on the investment .
If you want to attach a multiple servers to the same storage array , then ypu will need switch . But if you want just two of your servers then probably you can just direct attach them without the switch .
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тАО06-01-2004 02:42 AM
тАО06-01-2004 02:42 AM
Re: cluster hardware
Dear Dave
thanks a lot.
regards
Kesab
thanks a lot.
regards
Kesab
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