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212 Cards in this Set
- Front
- Back
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Virtual Machine Maxims
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Category Title
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Virtual CPUs per virtual machine (Virtual SMP)
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64
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Memory
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Category Title
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RAM per virtual machine
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1TB
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Virtual machine swap file size
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1TB: VMFS3 with I MB block maximum swap size is 255GB. Recommended solution is VMFS5, not VMFS3 with bigger block size.
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Storage Virtual Adapters and Devices
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Category Title
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Virtual SCSI adapters per virtual machine
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4
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Virtual SCSI targets per virtual SCSI adapter
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15: Any combination of disk or VMDirectPath SCSI target.
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Virtual SCSI targets per virtual machine
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60
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Virtual Disks per virtual machine (PVSCSI)
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60
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Virtual disk size
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2TB minus 512 bytes
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IDE controllers per virtual machine
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1: Supports two channels (primary and secondary) each with a master and slave device.
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IDE devices per virtual machine
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4: Devices can be either CD‐ROM or disk.
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Floppy controllers per virtual machine
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1
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Floppy devices per virtual machine
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2: BIOS is configured for one floppy device.
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Networking Virtual Devices
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Category Title
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Virtual NICs per virtual machine
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10: Any combination of supported virtual NICs.
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Virtual Peripheral Ports
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Category Title
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USB controllers per virtual machine
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1: Supports USB 1.x and USB 2.x devices.
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USB devices connected to a virtual machine
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20: Guest operating systems might have smaller limits than allowed by vSphere
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Parallel ports per virtual machine
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3
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xHCI USB controllers
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1: Supports USB 1.x, 2.x and 3.0 devices.
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Serial ports per virtual machine
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4
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Graphics video device
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Category Title
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Video memory per virtual machine
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512MB
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Miscellaneous
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Category Title
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Concurrent remote console connections to a virtual machine
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40
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ESXi Host Maximums
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Category Title
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Host CPU maximums
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Category Title
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Logical CPUs per host
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160
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NUMA Nodes per host
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8
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Virtual machine maximums
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Category Title
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Virtual machines per host
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512
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Virtual CPUs per host
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2048
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Virtual CPUs per core
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25: The achievable number of vCPUs per core depends on the workload and specifics of the hardware. For more information, see the latest version of Performance Best practices for VMware vSphere.
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Fault Tolerance maximums
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Category Title
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Virtual disks
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16
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Virtual CPUs per virtual machine
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1
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RAM per FT VM
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64GB
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VM per host
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4
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Host Memory Maximums
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Category Title
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RAM per host
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2 TB
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Number of swap files
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1 per virtual machine
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Swap file size
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1TB: On VMFS3, use a block size larger than 1MB for swap files larger than 255GB
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Storage Maximums
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Category Title
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Virtual Disks
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Category Title
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Virtual Disks per Host
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2048
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iSCSI Physical
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Category Title
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LUNs per server
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Category Title
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LUNs per server
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256
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Qlogic 1Gb iSCSI HBA initiator ports per server
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4
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Broadcom 1Gb iSCSI HBA initiator ports per server
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4
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Broadcom 10Gb iSCSI HBA initiator ports per server
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4
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NICs that can be associated or port bound with the software iSCSI
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Category Title
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stack per server"
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8
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Number of total paths on a server
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1024
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Number of paths to a LUN (software iSCSI and hardware iSCSI)
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8
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Qlogic iSCSI: dynamic targets per adapter port
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64
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Qlogic iSCSI: static targets per adapter port
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62
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Broadcom 1Gb iSCSI HBA targets per adapter port
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64: The sum of static targets (manually assigned IP addresses) and dynamic targets (IP addresses assigned to discovered targets) may not exceed this number.
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Broadcom 10Gb iSCSI HBA targets per adapter port
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128
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Software iSCSI targets
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256: The sum of static targets (manually assigned IP addresses) and dynamic targets (IP addresses assigned
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to discovered targets) may not exceed this number."
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Category Title
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NAS: Contact your storage array vendor or NFS server vendor for information about the maximum NFS volume size
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Category Title
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NFS mounts per host
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256
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Fibre Channel
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Category Title
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LUNs per host
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256
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LUN size
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64TB
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LUN ID
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255
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Number of paths to a LUN
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32
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Number of total paths on a server
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1024
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Number of HBAs of any type
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8
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HBA ports
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16
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Targets per HBA
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256
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FCoE
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Category Title
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Software FCoE adapters
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4
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VMFS
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Category Title
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Volumes per host
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256
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Hosts per volume
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64
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Powered‐on virtual machines per VMFS volume
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2048
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VMFS3
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Category Title
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Volume size
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64TB: For VMFS3 volumes with 1MB block size, the maximum is 50TB.
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Raw device mapping size (virtual compatibility)
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2TB minus 512 bytes
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Raw Device Mapping size (physical compatibility)
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2TB minus 512 bytes: If the presented LUN is greater than 2TB.
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Block size
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8MB
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File size (1MB block size)
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256GB
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File size (2MB block size)
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512GB
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File size (4MB block size)
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1TB
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File size (8MB block size)
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2TB minus 512 bytes
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Files per volume
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Approximately 30,720
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VMFS5
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Category Title
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Volume size
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64TB: The actual maximum will depend on the RAID controller or maximum size of LUN supported by storage access driver (FC, iSCSI) that is being used. Contact your vendor to find the maximums.
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Raw Device Mapping size (virtual compatibility)
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2TB minus 512 bytes
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Raw Device Mapping size (physical compatibility)
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64TB
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Block size
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1MB: 1MB is default block size. Upgraded VMFS5 volumes will inherit the VMFS3 block size value.
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File size:
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2TB minus 512 bytes: Maximum file size for upgraded VMFS5 is 2TB minus 512 bytes, irrespective of the file‐system block size.
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Files per volume
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Approximately 130,690
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Concurrent Operations
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Category Title
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Concurrent vMotion operations per datastore
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128
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Concurrent Storage vMotion operations per datastore
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8
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Concurrent Storage vMotion operations per host
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2
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Concurrent non‐vMotion provisioning operations per host
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8
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Networking Maxims
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Category Title
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Physical NICS
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Category Title
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e1000 1Gb Ethernet ports (Intel PCI‐x)
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32
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e1000e 1Gb Ethernet ports (Intel PCI‐e)
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24
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igb 1Gb Ethernet ports (Intel)
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16
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tg3 1Gb Ethernet ports (Broadcom)
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32
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bnx2 1Gb Ethernet ports (Broadcom)
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16
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forcedeth 1Gb Ethernet ports (NVIDIA)
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2
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nx_nic 10Gb Ethernet ports (NetXen)
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8
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ixgbe 10Gb Ethernet ports (Intel)
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8
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bnx2x 10Gb Ethernet ports (Broadcom)
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8
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be2net 10Gb Ethernet ports (Emulex)
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8
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Combination of 10Gb and 1Gb Ethernet ports
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Six 10Gb and Four 1 Gb
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Infiniband ports
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Refer to VMware Community Support N/A: Mellanox Technologies InfiniBand HCA device drivers are available directly from Mellanox Technologies. Refer to Mellanox for support status of InfiniBand HCAs with ESXi.
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VMDirectPath limits
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Category Title
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VMDirectPath PCI/PCIe devices per host
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8
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VMDirectPath PCI/PCIe devices per virtual machine
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4: A virtual machine can support 6 devices, if 2 of them are Teradici devices.
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vSphere Standard and Distributed Switch
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Category Title
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Total virtual network switch ports per host (VDS and VSS ports)
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4096
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Maximum active ports per host (VDS and VSS)
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1050
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Virtual network switch creation ports per standard switch
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4088
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Port groups per standard switch 256
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256
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Distributed virtual network switch ports per vCenter
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60000
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Static port groups per vCenter
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10000
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Ephemeral port groups per vCenter
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256
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Hosts per VDS
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500
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Distributed switches per vCenter
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128
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Concurrent Operations
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Category Title
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Concurrent vMotion operations per host (1Gb/s network)
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4
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Concurrent vMotion operations per host (10Gb/s network)
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8
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Link aggregation groups per vDS
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1
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Uplink ports per link aggregation group
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4
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Teaming
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Category Title
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Uplink ports per team
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32
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Single‐Root I/O Virtualization
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Category Title
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Virtual functions per host
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32
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10G pNICs
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4
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Cluster and Resource Pool Maximums
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Category Title
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Cluster (all clusters including HA and DRS)
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Category Title
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Hosts per cluster
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32
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Virtual machines per cluster
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4000
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Virtual machines per host
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512
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Maximum concurrent host HA failover
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32
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Failover as percentage of cluster
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100%
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Resource pools per cluster
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1600
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Powered‐on virtual machine config files per datastore in an HA cluster (This limit does not apply to virtual disks. A virtual machine enabled with Fault Tolerance counts as two virtual machines.)
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2048
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Resource Pool
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Category Title
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Resource pools per host
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1600
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Children per resource pool
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1024
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Resource pool tree depth
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8: Additional 4 resource pools are used by system internals
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vCloud Director Maximums
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Category Title
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Virtual machine count
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30000
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Powered‐On virtual machine count
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10000
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Organizations
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10000
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Virtual machines per vApp
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128
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vApps per organization
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30000
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Number of networks
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10000
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Hosts
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2000
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vCenter Servers
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25
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Virtual Data Centers
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10000
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Datastores
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1024
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Catalogs
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10000
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Media
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1000
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Users
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10000
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vCenter Server Maximums
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Category Title
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vCenter Server Scalability
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Category Title
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Hosts per vCenter Server
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1000
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Powered‐on virtual machines per vCenter Server
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10000
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Registered virtual machines per vCenter Server
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15000
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Linked vCenter Servers
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10
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Hosts in linked vCenter Servers
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3000
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Powered‐on virtual machines in linked vCenter Servers
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30000
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Registered virtual machines in linked vCenter Servers
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50000
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Concurrent vSphere Clients
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100
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Number of host per datacenter
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500
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MAC addresses per vCenter Server (using default VMware OUI)
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65536
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User Interface
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20
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USB devices connected per vSphere Client
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20
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Single Sign On
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Category Title
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Authentications per second (average)
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30
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vCenter Server Extensions
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Category Title
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VMware vCenter Update Manager
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Category Title
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vCenter Update Manager Scalability
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Category Title
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Host scans in a single vCenter Server 1000
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1000
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Virtual machine scans in a single vCenter Server 10000
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10000
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Cisco VDS update and deployment 70
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70
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Concurrent Operations
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Category Title
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VMware Tools scan per ESXi host
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90
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VMware Tools upgrade per ESXi host
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24
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Virtual machine hardware scan per host
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90
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Virtual machine hardware upgrade per host
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24
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VMware Tools scan per VUM server
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75
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VMware Tools upgrade per VUM server
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75
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Virtual machine hardware scan per VUM server
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75
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Virtual machine hardware upgrade per VUM server
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75
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ESXi host scan per VUM server
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75
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ESXi host remediation per VUM server
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71
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ESXi host upgrade per VUM server
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71
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ESXi host upgrade per cluster
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1
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VMware vCenter Orchestrator
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Concurrent Operations
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Connected vCenter Server systems
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20
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Connected ESXi instances
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1280
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Connected virtual machines
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35000
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Concurrent running workflows
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300
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vCenter VASA
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Concurrent Operations
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Storage Providers
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10
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Storage DRS
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Concurrent Operations
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Virtual disks per datastore cluster
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9000
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Datastores per datastore cluster
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32
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Datastore clusters per vCenter
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256
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