vmware DR site

if you use replication technology for a clone of your produciton network, does the DR site typically just contain a replicated SAN, or does it also include copies of all hosts as well, or can it be either, i.e. justDR  SAN, or both DR SAN and DR hosts?

Do you need DR hosts if its only your SAN that blows up? i.e. can your production hosts just use the DR SAN if they havent exploded to?

My understanding was that vmware DR setups are used to mitigate the single SAN (single point of failure), but I wasnt sure if the setup typically includes a set of hosts as well?

And what tools "do" the actual SAN to SAN, esxi host to esxi host replication?
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pma111Asked:
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Andrew Hancock (VMware vExpert / EE MVE^2)Connect With a Mentor VMware and Virtualization ConsultantCommented:
The DR site, if you are discussing VMware, needs at least VMware vSphere ESXi Host Servers with local storage.

SAN is optional.

So you can Replicate to just an VMware vSphere ESXi Host Servers if you required.

Your existing hosts could use the DR SAN if configured and cabled between sites.

FULL DR, usually includes Host and SAN hardware, with SAN to SAN replication.

Or Host to Host Replication e.g. VMware vSphere Replication, Site Recovery Manager, or Veeam Backup and Replication

Dell Equallogic SAN - Sync Copy and Replication between SANs, or NetApp Filer - SnapMirror - Replication between SANs.;

This can now also be CLOUD Based DR, and Sync to Amazon Elastic Cloud, from VMware vSphere.

so no requirement for VMware ESXi hosts or SAN, just Cloud Space!
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