Citrix XenServer: Technical Information (based on XenServer 6.5)
Citrix System Requirements documentation
Per-Host Configuration Limits
- 64-bit x86 server-class system
- CPU: 1.5 GHz minimum, 2 GHz or faster multi-core recommended
- IntelŪ VT or AMD-V. required for support of Windows guests
- Local or Fibre Channel boot disk with 16 GB of space minimum, 60 GB or more recommended<.li>
- 650 concurrent VMs(Linux)
- 500 concurrent VMs (Windows)
- 500 concurrent VMs protected by HA
- 96 vGPU VMs
- 1TB RAM (4GB minimum)(
- 2048 virtual disks
- 16 physical NICs
- 4 NICs per network bond
- 4 network bonds
- 512 virtual NICs
- 800 VLANs
- 12 GPUs
XenCenter Client
- x86-based system
- Windows ServerŪ 2003R2, 2008 SP2, 2008R2 SP1, 2012 or 2012R2. Windows Vista, 7, 8 or 8.1
- .NET Framework 4
- CPU speed: 750 MHz minimum, 1 GHz or faster recommended
- RAM: 1GB minimum
- Disk space: 100 MB minimum
- Network interface card
Virtual Machine Limits
- 32 vCPUs (Linux), 16 vCPUs (Windows)
- 192GB RAM per VM
- 16 virtual disks (including DVD/CD)
- 2TB max virtual disk size
- 7 virtual NICs
Supported Guest Operating Systems
Below is a list of operating systems that are supported for virtualization with XenServer.
- Microsoft Windows 64-bit: Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2 (SP0, SP1), Windows Server 2008 (SP1, SP2); Windows Server 2003 (Standard, Enterprise, Datacenter Edition SP2), Windows 7, Windows 8, Windows 8.1
- Microsoft Windows 32-bit: Windows Server 2008 (SP1, SP2); Windows Server 2003 (Web, Standard, Enterprise, Datacenter; SP2, R2); Windows Small Business Server (2003 SP2, R2); Windows XP (SP3); Windows 2000 SP4; Windows 7, Windows 8, Windows 8.1
- Linux 32-bit and 64-bit: Red Hat Enterprise Linux (4.5 - 7.0); CentOS (4.5 - 7.0); SUSE Linux Enterprise Server (10 SP1, 10 SP2, 10 SP3, 10 SP4, 11, 11 SP1, 11 SP2); Oracle Enterprise Linux (5.0 - 7.0); Debian (Squeeze 6.0, Wheezy 7.0); Ubuntu (10.04, 12.04, 14.04)
Experimental guest operating systems
Below is a list of operating systems that are being tested for future support for virtualization with XenServer.
- Linux 32-bit and 64-bit: SUSE Linux Enterprise Server 12