I have a client that wants to build small remote sites to sync back to an ESS cluster they purchased. These remote sites are generally <15-20TB. If I build a three node cluster with just internal drives can this work if the drives aren’t shared amongst the cluster without FPO or GNR(since it’s not ESS)? Is it better to have a SAN sharing disks with the three nodes? Assuming all are NSD servers (or two at least). Seems like most of the implementations I’m seeing use shared disks so local drives only would be an odd architecture right? What do I give up by not having shared disks seen by other NSD servers?
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