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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 machines (a data store), and we recommend that you set up a separate server for storing backups and templates.
These are the minimum requirements for a small cloud. For a larger deployment, OnApp's technical team will advise you on the best possible setup.

Server Requirements

Compute resource servers

  • x64 platform with AMD-V/VT-x hardware virtualization support enabled
  • Quad Core 2Ghz+ CPU
  • 8GB+ RAM
  • 3x Gig network interface cards (4 recommended)
  • 30 GB of free disk space (SSD Recommended)

Control Panel server

  • Dual or Quad Core 2Ghz+ CPU
  • 8GB RAM (16GB+ recommended)
  • 100GB Raid 1
  • 2x Gig network interface cards


Additional Server Recommendations

Backup server

  • 1GB RAM
  • 2TB+ NAS (alternatively, a large hard disk can be used on the Control Panel server for backups)


Storage Requirements

Integrated Storage PlatformLocal Storage OnlyEnterprise SAN
  • Any number of integrated storage drives can be grouped together across any Compute resource
  • SSD drives recommended for best performance
  • at least 1 dedicated NIC assigned per Compute resource for the SAN
  • multiple NICs bonded or 10GBit/s ethernet recommended
  • 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
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