From the course: VMware vSphere 6.5 Essential Training Part 1

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Dependent hardware iSCSI

Dependent hardware iSCSI - vSphere Tutorial

From the course: VMware vSphere 6.5 Essential Training Part 1

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Dependent hardware iSCSI

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- [Instructor] In this video I'll explain a dependent hardware iSCSI initiator and how it can be used by the ESXi host to communicate with an iSCSI storage array. So here we see in our diagram a virtual machine on the left with a virtual SCSI controller. As that virtual machine issues storage commands, they flow through the virtual SCSI controller, and hit a storage adapter that prepares them for transmission over a network. In this case, we have a physical storage adapter. This is different than software iSCSI, where the storage adapter is based on software. Here we've purchased some actual hardware that's going to handle that workload. Now with the dependent hardware iSCSI initiator, it's not a complete hardware solution. It's a physical storage adapter; however it still needs to be bound to VM kernel ports that are created in software. So while the dependent hardware iSCSI initiator eliminates some of the CPU overhead that's present with a software iSCSI initiator, it doesn't…

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