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тАО03-24-2003 10:39 PM
тАО03-24-2003 10:39 PM
Currently I have 2 servers co-located with a BC config set-up using XP256 storage array. Due to disaster recovery strategy the secondary server will be relocated to a different location.Questions:
1.What are the hardware requirements for such a BC set-up?
2.Will the secondary server be able to connect to the XP256 via Fiber Channel interface even if they are not co-located in same building.
Thanks in advance!
Solved! Go to Solution.
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тАО03-24-2003 11:38 PM
тАО03-24-2003 11:38 PM
Solutionup to 500m nothing, just longer cables
500m to some 6-7km (though support says up to 10km) - new switch, 2 longwave GBICs, longwave cables
more than 7km I would recommend to use VLWGBIC (very long wave GBIC, which enables You to go up to some 70-80km with straight fibre. You will need two of those, plus a good quality cable. You also need to get a special licence into both switches to rise the buffer-to-buffer credit for the ports the remote server will e connected through. As this is nothing easy, especially in the case of going kilometers away, I would suggest to go for HP support and let them design the server movement and make You an offer... Also an option is to go through leased DWDM channel, if available.
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тАО03-25-2003 12:06 AM
тАО03-25-2003 12:06 AM
Re: XP256 BC Config
Thanks for the info! Say do you know where I can get hold of XP Storage Array documentation(set-up;requirements etc.)?
Thanks!
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тАО03-25-2003 12:21 AM
тАО03-25-2003 12:21 AM
Re: XP256 BC Config
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тАО03-25-2003 06:06 AM
тАО03-25-2003 06:06 AM
Re: XP256 BC Config
How far away do you want to place the server?
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тАО03-25-2003 07:14 AM
тАО03-25-2003 07:14 AM
Re: XP256 BC Config
For your disaster recovery strategy just moving the secondary server does not buy you that much. If you are worried about the primary server getting damaged (fire, flood, disgruntled employee...) you have the same risk that the XP can be damaged. Then you have a secondary server at a remote site without the disks as both your primary and business copy of the data are on the same array.
To truly have the redundnacy of a disaster recovery site you need a second XP array. Then your two arrays would keep the data in sync using Continuous Access.