Virtual Siris on VMware Prerequisites

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This article lists the prerequisites to run a Virtual Siris on a VMware vSphere platform.

Prerequisites

VMware vSphere Requirements:

  • Supported vSphere Versions: 5.1, 5.5, and 6.0
  • Supported vSphere License Versions: Free, Essentials, Essentials Plus, Standard, Enterprise and Enterprise Plus
  • You must use a vSphere client to deploy Siris.

*Only supports Nested Virtualisation Screenshots; does not support Hypervisor Connection.

Free versions of vSphere do not support running agentless backups on the virtual appliance. This is due to specific API endpoints that are inactive in the free version.

Disk Storage Space:

  • 30GB Free Space available on elected Datastore for the Operating System disk of the Virtual Siris to be Thick Provisioned (Eager Zeroed) during the OVA deployment.
  • Free Space on a Datastore equal to the product model that was purchased (SV3000 = 3 TB).
  • Storage (VMDK) Disk for Virtual Siris must be Thick Provisioned (Eager Zeroed) and attached to the Virtual Siris appliance after the OVA is deployed but before powering it on for the first time.

Keep in mind that Thick Provisioning (Eager Zero) these disks may take a considerable amount of time, depending on the size of the disk(s).

Performance Requirements:

  • A Minimum of 8GB RAM and 4 CPU Sockets (x1 Cores) is attached to the Virtual Siris.
  • Larger deployments will necessitate additional CPU and RAM.
  • Nested Screenshot Verification requires Hardware Assisted Virtualisation Exposed to the Virtual Siris and at least 3GB RAM and 1 CPU added in advance to the Virtual Siris's VM Specification.

Resources needed for Virtualization:

  • Using ESXi virtualization for disaster recovery requires additional resources from vSphere. To prepare for emergencies, have enough resources to virtualize all of the protected systems. Keep in mind this requires space on the datastore configured for virtualization equal to roughly the amount of total memory given to VMs created via ESXi virtualization due to the space needed for the vSwap files as well as other VM configuration files.
  • Virtual Siris requires an iSCSI adapter on the ESXi host to be used for ESXi virtualization and screenshot verification. This iSCSI adapter must be accessible on the same subnet as the Virtual Siris. Click here for a quick video demonstration on how to configure this from vSphere.
  • After you set up and register Siris, configure it for virtualization from the Virtualization Settings page on the web interface in order for ESXi virtualization and screenshot verification to function. For instructions, see the article Virtual Siris Local Virtualization.

Recommended CPU & RAM Allocations for Datto Virtual Appliances:

These resources apply to Virtual Siris only.
These recommendations should not overshadow an environment's preconfigured vNUMA and CPU Ready Configuration.
Minimum reservations should be set dependent on the virtual environment to ensure a minimum level of service.

 

Virtual Siris Model CPU: Sockets x Cores Recommended RAM
SV1000 4 x 1 16 GB
SV2000 4 x 1 16 GB
SV3000 4 x 1 16 GB
SV4000 4 x 1 24 GB
SV6000 4 x 1 24 GB
SV10000 8 x 1 32 GB
SV12000 8 x 1 32 GB
SV18000 8 x 1 32 GB
SV24000 8 x 1 32 GB
SV36000 8 x 1 48 GB
SV50000 10 x 1 64 GB
SV60000 10 x 1 128 GB

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