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We are looking at storage replication between two data centers (600km apart) to support an active-passive cluster design for disaster recovery. The OS layer will be mostly Windows Server 2003/2008 with some OpenSuSE Linux used for performance monitoring on VMWare or possibly XenServer. The primary application service to replicate is Nvision. Datacenter 1 will have two storage systems for local active-passive or perhaps active-active replication with Datacenter 2 used as a last resport disaster recovery site.

We have a handle on most aspects, but I am looking for specific recommendations on storage platforms that can handle remote replication cleanly.

Thanks.

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HP XP/EVA and NetApp boxes do this kind of thing for us all the time using W2K3/8, Oracle on Linux and VMWare. No idea about open-source equivalents though sorry.

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Also, HP just acquired LeftHand systems, their boxes do a great job at this too. – Chris S May 24 '10 at 15:17
    
@Chris, agreed, I'm just not an iSCSI-kinda-guy, but you're right. – Chopper3 May 24 '10 at 15:20
    
a free opensource solution, with WAN support would be great – dyasny Sep 2 '10 at 19:58

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