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here are many factors that determine how many virtual servers you can run. Below you can find specifications for a non-production testing environment, Small Production Cloud, Medium Production Cloud and Enterprise Cloud as well the requirements for Integrated Storage.

An OnApp installation requires at least two physical machines – one for the Control Panel server, and the other for the compute resource server. You can have as many compute resource servers as you need. You will also need storage for your virtual servers (a data store), and we recommend that you set up a separate server for storing backups and templates. 

On this page:

Table of Contents

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With the full version of OnApp Cloud you get free support from our integrations team to spec the exact hardware you'll need for your cloud deployment.

 

Suggested Specifications


 

 Non-production
testing environment
(minimum specs)
Small Production CloudMedium Production CloudEnterprise Cloud
OnApp LicenseHost packageHost Package +
Integrated Storage (add on)
MSP packageEnterprise Package
Number of Control
Panel (CP) Servers
1112
Separate Database Server/ClusterNoNoNoYes
Dedicated Backup Servers0112
Number of Compute Resources (XEN/KVM)23816
Compute Resource Type (Static / Cloudboot)StaticCloudbootCloudbootCloudboot
CP Server
ProcessorDual core CPU2 x 8 Core CPUs
eg. Xeon e5-2640 v3
2 x 8 Core CPUs
eg. Xeon e5-2640 v3
2 x 8 Core CPUs
eg. Xeon e5-2640 v3
Memory8GB RAM +64GB 16GB RAM64GB 32GB RAM64GB RAM
Disks2 x 400GB SATA2 x 400GB SSD4 x 100GB SSD4 x 100GB SSD
RAID ConfigurationRAID 1RAID 1RAID 10RAID 10
Network AdaptersQuad port 1Gbp NICQuad port 1Gbp NICDual port 1Gps + Dual Port 10Gbps
eg. Intel I350 + X520
Dual port 1Gps + 2 x Dual Port 10Gbps
eg. Intel I350 + 2 x Intel X520

Backup Server

ProcessorN/A2 x 8 Core CPUs
eg. Intel Xeon e5-2620 v3
2 x 8 Core CPUs
eg. Intel Xeon e5-2620 v3
2 x 8 Core CPUs
eg. Intel Xeon e5-2620 v3
MemoryN/A32GB RAM32GB RAM32GB RAM
HDDsN/A12x2TB SAS12x2TB SAS12x2TB SAS
RAIDN/ARAID10RAID10RAID10
Network InterfacesN/ADual port 1Gbp Intel NIC +
Dual port 10Gbps Intel NIC
Dual port 1Gbp Intel NIC +
Dual port 10Gbps Intel NIC
Dual port 1Gbp Intel NIC +
Dual port 10Gbps Intel NIC
Compute Resource

Processor2 x 4 Core CPU2 x 8 Core CPUs
eg. Xeon e5-2640 v3
2 x 8 Core CPUs
eg. Xeon e5-2640 v3
2 x 8 Core CPUs
eg. Xeon e5-2640 v3
Memory16GB +128GB256GB256GB
HDDs2 x 30GB SATA8 x 400GB SSD8 x 400GB SSD8 x 400GB SSD
RAID ControllerHardware or SoftwarePCIe gen3
eg. PERC H730, 1GB cache
PCIe gen3
eg. PERC H730, 1GB cache
PCIe gen3
eg. PERC H730, 1GB cache
RAID ConfigurationRAID 1JBODJBODJBOD
Network Interfaces4 x 1GbpsDual port 1Gps + Dual Port 10Gbps
eg. Intel I350 + X520
4 x 10Gbps
eg.
4 x 10Gbps
iSCSI SAN
TypeThird-party software
SAN solution
eg. Open-E or Nexenta
Optional Dual-Controller
Hardware SAN
Optional Dual-Controller
Hardware SAN
Optional Dual-Controller
Hardware SAN
HDDs4x HDD12+ x SSD12+ x SSD12+ x SSD
RAID ConfigurationRAID10RAID10RAID10RAID10
Network HardwareSwitch with: 16 x 1GbE portsSwitch with: 48 x 1GbE ports, 4 x 10GbE ports.
High performance switch with: 48 x 10GbE ports, 4 x 40 GbE ports
2 x High performance switch with: 48 x 10GbE ports, 4 x 40 GbE ports2 x High performance switch with: 48 x 10GbE ports, 4 x 40 GbE ports

Storage Hardware Requirements


If you are going to use OnApp Integrated Storage, make sure to meet the following requirements:

Integrated Storage PlatformLocal Storage OnlyEnterprise SAN
  • Integrated Storage can group together any number of drives across any compute resource. We strongly recommend a minimum of 2 drives per compute resource to enable redundant data store configurations.
  • at least 1 dedicated NIC assigned per compute resource for the storage network (SAN)
  • IGMP snooping must be disabled on storage switch for storage network
  • minimum 1 dedicated partition in each compute resource
  • separate disk from the primary OS drive recommended
  • centralised Block Storage SAN (iSCSI, ATA over Ethernet or Fibre Channel) accessible to every compute resource
  • at least 1 dedicated 1GBit/s NIC assigned per compute resource for the SAN
  • multiple NICs bonded or 10GBit/s ethernet recommended

Hardware Requirements for HA


 

High Availability Hardware requirements

Here you can find the minimum hardware requirements for servers in the High Availability configuration.

Info

Each of the Control Panel nodes in the High Availability configuration must comply with these requirements.


 

  • Processor: 2 x 8 Core CPUs, for example, Xeon e5-2640 v3

  • Memory: 64GB RAM
  • Disks: 2 x 400GB SSD
  • RAID Configuration: RAID 1
  • Network Adapters: Quad port 1Gbp NIC