VCenter On Demand
The vCenter On Demand (aka vCoD) is a service consisting of the following elements:
- a dedicated cluster, based on "hyperconverged" type physical servers
- some direct attached storage configured in vSAN
- a Workload Domain with the vCF stack, that is the Control Plan of the vCoD service.
The Workload Domain (aka WLD) includes all the vmware management tools for operating dedicated clusters, such as:
- NSX-T Manager
A Workload Domain can be:
- shared: this is the default configuration, this option is free of charge
- dedicated : this option is charged.
Access to resource administration is optionally via:
- the vCloud Director portal
- the vRealize Automation portal (aka VRA)
- the Customer's (Cloud Management Portal aka CMP), only in case of dedicated Workload Domain.
Different types of servers are available for this service:
|1||1 x Intel Xeon 5128||2,3 GHz||16||192 GB|
|2||2 x Intel Xeon 5128||2,3 GHz||32||384 GB|
|3||2 x Intel Xeon 6248R||3 GHz||48||576 GB|
vSan technology requires a minimum number of nodes to ensure storage redundancy, which is why the "starter kit" consists of a minimum of 4 servers.
- a VM has an average size of 8 GB of RAM
- RAM is the most limiting factor, since we never overbook the RAM
- the compute capacity must integer the loss of a node,
Here are the capacities in number of VM for each configuration :
|Nb of nodes||Type 1||Type 2||Type 3|
Note: The growth of a cluster is done by adding nodes having the same type.
The different types of vSan configuration are shown in the table below, along with the storage reduction factor to take into account to go from raw storage to usable storage.
|Fault tolerance level||vSAN configuration||Minimum nodes||Reduced storage space|
|1||FTT=1 / Mirroring||3+||2x|
|1||FTT=1 / Erasure Coding||4+||1,33x|
|2||FTT=2 / Mirroring||5+||3x|
|2||FTT=2 / Erasure Coding||6+||1,5x|
For each node, a storage pack, based on 1,92TB SSD, is available, according to 3 configurations:
- 4 disks per node
- 8 disks per node
- 10 disks per node
Note: the capacities above are raw, unformatted capacities.
Depending on the number of nodes and the pack chosen, here are the total useful available capacities, based on FTT=1 / Erasure Coding protection:
|Nodes||4 disks of 1,92 TB per node||8 disks of 1,92 TB per node||10 disks of 1.92 TB per node|
|Total raw capacity in TB||Total usable capacity in TB||Total raw capacity in TB||Total usable capacity in TB||Total raw capacity in TB||Total usable capacity in TB|
VM are backed up as described here.
It is a monthly billing, based on:
- type of starter kit
- number of additional nodes included into the cluster
- type of storage pack
Some options are available:
|Option||Description||Billing mode||Calculation basis||Additional information|
|vCD||vCloud Director license||monthly fee||n/a||Allows the Customer to manage resources in a much simpler way than with the vCenter software. If the Customer has a Cloud Avenue organization of the Public Cloud type, it will be possible to manage all the resources from a single vCD portal.|
|vRA||vRealize Automation license||price per node||per type of node, all cluster nodes|
|WLD||Dedicated Workload Domain||monthly fee||n/a||Infrastructure dedicated to a Client; contains the following software: vCenter, vRops, NSX-T Manager, vRO, vRLI, vUM|
|NSX||NSX Advanced Load Balancer license||price per physical core||all the physical core of all the cluster nodes||Included into the vCD license|
|WIN||Windows Datacenter Edition license||price per physical core||all the physical core of all the cluster nodes||Mandatory as soon as a Windows VM is hosted on the cluster|
The initial order is made via an order form in PDF format, available from your usual sales representative. Capacity increase orders are made in the Cloud Customer Area.
An online devisor makes it possible to carry out a simulation at this address: https://www.myonlinequotation.cleansite.biz/?page_id=1231
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