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I have an old ESXi 4.1 host connected to a Drobo SAN using iSCSI. &nbsp;It's hosting two servers totaling about 700GB. &nbsp;Would it be easier to take one of my existing ESXi 6 hosts and connect it to the Drobo SAN (so ti sees the new SAN and the old Drobo SAN), drop the guest server from ESXi 4's inventory and add it to the ESXi 6 host then migrate (move)? &nbsp;Any other alternatives or suggestions? &nbsp;I have done this way prior but just wondering if there is a quicker way.
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I have an old ESXi 4.1 host connected to a Drobo SAN using iSCSI.  It's hosting two servers totaling about 700GB.  Would it be easier to take one of my existing ESXi 6 hosts and connect it to the Drobo SAN (so ti sees the new SAN and the old Drobo SAN), drop the guest server from ESXi 4's inventory and add it to the ESXi 6 host then migrate (move)?  Any other alternatives or suggestions?  I have done this way prior but just wondering if there is a quicker way.

Migrating old ESXi 4.1 to ESXi 6.0

VMware, a software company founded in 1998,  was one of the first commercially successful companies to offer x86 virtualization. The storage company EMC purchased VMware in 1994. Dell Technologies acquired EMC in 2016. VMware’s parent company is now Dell Technologies.

VMware has many software products that run on desktops, Microsoft Windows, Linux, and macOS, which allows the virtualizing of the x86 architecture.  Its enterprise software hypervisor for servers, VMware vSphere Hypervisor (ESXi), is a bare-metal hypervisor that runs directly on the server hardware and does not require an additional underlying operating system.