Connecting a SIRIS to an ESXi Host and Offloading a Virtualization to an ESXi Host

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Topic

Connecting a SIRIS to an ESXi host, and offloading a virtualization to an ESXi host.

Environment

  • Datto SIRIS
  • VMware

Description

This article describes the process for connecting a SIRIS to an ESXi host. These instructions apply to virtual and physical SIRIS appliances.

Prerequisites

First, set up the Hypervisor Connection.

Procedure

1. Start up the ESXi virtualization via the web interface by selecting the Virtualize via Hypervisor option on the Restore page.

Figure 1: The Restore page in the device GUI (click to enlarge)

Once you start the virtual machine from the web interface, you can see the vSphere tasks in Recent Tasks.

Figure 2: vSphere Tasks (click to enlarge)

2. The iSCSI targets to the .datto file are created on the SIRIS. They can then connect to the ESXi host using the specified iSCSI adapter.

Figure 3: iSCSI Target (click to enlarge)

Figure 4: iSCSI Initiator Properties (click to enlarge)

3. The HBA is re-scanned so that vSphere can get information on the new devices available through the iSCSI adapter.

4. A virtual disk is created through RDM to the .datto file through the iSCSI target on the SIRIS. This is how the .datto file located on the Datto is attached to the virtual machine created on the ESXi host. If there is more than one disk in the backup, then a virtual disk via RDM is created for each.

The RDM creation can sometimes fail. This failure will typically produce the status "A specified parameter is not correct. spec.device" under the Create virtual disk task. It will retry up to 3 times for each virtual disk attached to the virtual machine.

If backup images on the SIRIS cannot be accessed through iSCSI for ESXi virtualization, then access through NFS will be attempted as a failover.

5. The virtual machine is registered in vSphere with the <agent>-restore naming convention.

6. The virtual machine is powered on.

Figure 5: Restore Listed in VMWare Virtual Machines tab (click to enlarge)

The screenshot verification process works the same way except for step 1, which involves manually starting up the virtual machine from the web interface. The naming convention for the virtual machine may also be slightly different.


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