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Configuration Maximums
vSphere 4.0 Configuration Maximums
148
Computer Science
Professional
11/08/2011
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Term
Virtual CPUs per VM
 Definition
8
Term
RAM per VM
 Definition
255GB
Term
Virtual machine swap file size
 Definition
255GB
Term
Virtual SCSI adapters per virtual machine
 Definition
4
Term
Virtual SCSI targets per virtual SCSI adapter
 Definition
15
Term
Virtual SCSI targets per virtual machine
 Definition
60
Term
Disk size
 Definition
2TB minus 512B
Term
IDE controllers per virtual machine
 Definition
1 (supports two channels - primary/secondary each with a master and slave)
Term
IDE devices per virtual machine
 Definition
4 (CDROMs and Disks)
Term
Floppy controllers per virtual machine
 Definition
1
Term
Floppy devices per virtual machine
 Definition
2
Term
Virtual NICs per virtual machine
 Definition
1
Term
Parallel ports per virtual machine
 Definition
3
Term
Serial ports per virtual machine
 Definition
4
Term
VMDirectPath PCI/PCIe devices per virtual machine
 Definition
2
Term
VMDirectPath SCSI targets per virtual machine
 Definition
60
Term
Concurrent remote console connections to a virtual machine
 Definition
40
Term
Raw device mapping (RDM) size
 Definition
2TB minus 512 bytes
Term
Volume size
 Definition
64TB minus 16K
Term
Virtual machines per volume
 Definition
256
Term
Volumes per host
 Definition
256
Term
Extents per volume
 Definition
32
Term
Hosts per cluster
 Definition
32
Term
Extents size
 Definition
2TB minus 512 bytes
Term
Max I/O size (before splits
 Definition
32MB
Term
VMFS‐3 volumes configured per host
 Definition
256
Term
VMFS-3 Files per volume
 Definition
~30,720 (sufficient to support the maximum VMs)
Term
VMFS-3 Block size
 Definition
8MB
Term
VMFS-3 File size (block size=1MB)
 Definition
256GB minus 512B
Term
VMFS-3 File size (block size=2MB)
 Definition
512GB minus 512B
Term
VMFS-3 File size (block size=4MB)
 Definition
1TB minus 512B
Term
VMFS-3 File size (block size=8MB)
 Definition
2TB minus 512B
Term
Default NFS datastores
 Definition
8
Term
Maximum NFS datastores (after adding advanced option)
 Definition
64
Term
Fibre Channel LUNs per host
 Definition
256
Term
Fibre Channel LUN size
 Definition
2TB minus 512B
Term
Fibre Channel Paths to a LUN
 Definition
32
Term
Fibre Channel Total paths on a host
 Definition
1024
Term
Fibre Channel LUNs concurrently opened by all VMs
 Definition
256
Term
Fibre Channel LUN ID
 Definition
255
Term
Fibre Channel HBAs per host
 Definition
8
Term
Fibre Channel HBA ports
 Definition
16
Term
Fibre Channel Targets per HBA
 Definition
256
Term
Hardware iSCSI LUNs per host
 Definition
256
Term
Hardware iSCSI LUNs concurrent used
 Definition
256
Term
Hardware iSCSI Initiator ports per host
 Definition
4
Term
Hardware iSCSI Total paths on a host
 Definition
1024
Term
Hardware iSCSI Paths to a LUN
 Definition
8
Term
Hardware iSCSI Dynamic targets per adapter port
 Definition
64
Term
Hardware iSCSI Static targets per adapter port
 Definition
61
Term
Software iSCSI LUNs per host
 Definition
256
Term
Software iSCSI LUNs concurrently used
 Definition
256
Term
Software iSCSI NICs port bound with the software iSCSI stack per server
 Definition
8
Term
Software iSCSI Targets (sum of static and dynamic)
 Definition
256
Term
Software iSCSI Paths to a LUN
 Definition
8
Term
Software iSCSI Total paths
 Definition
1024
Term
Virtual CPUs per host
 Definition
512
Term
Virtual Machines per host
 Definition
320
Term
Logical processors per host
 Definition
64
Term
Virtual CPUs per physical core
 Definition
20
Term
Virtual CPUs per physical core for 4.0 Update 1
 Definition
25
Term
Size of RAM per host
 Definition
1TB
Term
Maximum RAM allocated to service console
 Definition
800MB
Term
Minimum RAM allocated to service console
 Definition
300MB
Term
Swap files
 Definition
1 per virtual machine
Term
Swap file size
 Definition
Same as max virtual machine RAM
Term
e1000 NICs Ethernet ports (Intel PCI‐x NIC)
 Definition
32
Term
e1000e NICs Ethernet ports (Intel PCI‐e NIC)
 Definition
24
Term
igb 1GB Ethernet ports (Intel)
 Definition
16
Term
tg3 1GB Ethernet ports (Broadcom)
 Definition
32
Term
bnx2 1GB Ethernet ports (Broadcom)
 Definition
16
Term
forcedeth 1GB Ethernet ports (Nvidia)
 Definition
2
Term
s2io 10GB Ethernet ports (Neterion)
 Definition
4
Term
nx_nic 10GB Ethernet ports (NetXen)
 Definition
4
Term
ixgbe Oplin 10GB Ethernet ports (Intel)
 Definition
4
Term
bnx2x 10GB Ethernet ports (Broadcom)
 Definition
4
Term
PCI VMDirectPath devices per host
 Definition
8
Term
Total virtual network switch ports per host (vDS and vSS ports)
 Definition
4096
Term
Virtual network switch ports per standard switch
 Definition
4088
Term
Port groups per standard switch
 Definition
512
Term
Standard switches per host
 Definition
248
Term
Total virtual network switch ports per host (vDS and vSS ports)
 Definition
4096
Term
Distributed virtual network switch ports per vCenter
 Definition
6000
Term
Distributed port groups per vCenter
 Definition
512
Term
Distributed switches per vCenter
 Definition
16
Term
Hosts per distributed switch
 Definition
64
Term
Hosts per HA cluster
 Definition
32
Term
Virtual machines per host in HA cluster with 8 or fewer hosts
 Definition
100
Term
Virtual machines per host in HA cluster with 8 or fewer hosts for
vSphere 4.0 Update 1
 Definition
160
Term
Virtual machines per host in HA cluster with 9 or more hosts
 Definition
40
Term
Failover hosts per cluster
 Definition
4
Term
Failover as a percentage of cluster
 Definition
50%
Term
Hosts per DRS cluster
 Definition
32
Term
Powered on Virtual Machines per DRS cluster
 Definition
1280
Term
Virtual machines per host in DRS cluster
 Definition
256
Term
Resource pools per host
 Definition
4096
Term
Children per resource pool
 Definition
1024
Term
Tree depth per resource pool
 Definition
12
Term
Tree depth per resource pool in a DRS cluster
 Definition
10
Term
Resource pools per cluster
 Definition
512
Term
vCenter Server - Number of hosts (32 bit OS server)
 Definition
200
Term
vCenter Server - Powered-on VMs (32 bit OS server)
 Definition
2000
Term
vCenter Server - Registered VMs (32 bit OS server)
 Definition
3000
Term
vCenter Server - Hosts (64 bit OS server)
 Definition
300
Term
vCenter Server - Powered-on VMs (64 bit OS server)
 Definition
3000
Term
vCenter Server - Registered VMs (64 bit OS server)
 Definition
4500
Term
vCenter Server - Linked vCenter Systems
 Definition
10
Term
vCenter Server - Hosts in Linked-mode environment
 Definition
1000
Term
vCenter Server - Powered-on VMs in a Linked-mode environment
 Definition
10000
Term
vCenter Server - Registered VMs in Linked-mode environment
 Definition
15000
Term
vCenter Server - Concurrent vSphere client connections (32-bit OS server)
 Definition
15
Term
vCenter Server - Concurrent vSphere client connections (64-bit OS server)
 Definition
30
Term
vCenter Server - Hosts per datacenter
 Definition
100
Term
vCenter Server - Concurrent provisioning operations per host
 Definition
8
Term
vCenter Server - Concurrent provisioning operations per datastore
 Definition
8
Term
vCenter Server - Concurrent VMotion operations per host
 Definition
2
Term
vCenter Server - Concurrent VMotion operations per VMFS3 datastore
 Definition
4
Term
vCenter Server - Concurrent Storage VMotion operations per host
 Definition
2
Term
vCenter Server - Concurrent Storage VMotion operations per datastore
 Definition
4
Term
vCenter Server - Concurrent operations per vCenter Server
 Definition
96
Term
Update Manager - Concurrent hosts scanned (64 bit OS server)
 Definition
300
Term
Update Manager - Concurrent hosts scanned (32 bit OS server)
 Definition
200
Term
Update Manager - Concurrent VMs scanned scanned (64 bit OS server)
 Definition
4000
Term
Update Manager - Concurrent VMs scanned (32 bit OS server)
 Definition
200
Term
Update Manager - Cisco VDS update and deployment
 Definition
70
Term
Update Manager - Concurrent VM remediation per ESX host
 Definition
5
Term
Update Manager - Concurrent Powered-on Windows VM scan per ESX host
 Definition
6
Term
Update Manager - Concurrent Powered-off Windows VM scan per ESX host
 Definition
6
Term
Update Manager - Concurrent Powered-on Linux VM scan per ESX host
 Definition
145
Term
Update Manager - Concurrent VMware Tools scan per ESX host
 Definition
145
Term
Update Manager - Concurrent VMware Tools upgrade per ESX host
 Definition
145
Term
Update Manager - Concurrent VM hardware scan per host
 Definition
145
Term
Update Manager - Concurrent VM hardware upgrade per host
 Definition
145
Term
Update Manager - Concurrent VM remediation per VUM server
 Definition
48
Term
Update Manager - Concurrent Powered-on Windows VM scan per VUM server
 Definition
72
Term
Update Manager - Concurrent Powered-off Windows VM scan per VUM server
 Definition
10
Term
Update Manager - Concurrent Linux VM scan per VUM server
 Definition
145
Term
Update Manager - Concurrent VMware Tools scan per VUM server
 Definition
145
Term
Update Manager - Concurrent VMware Tools upgrade per VUM server
 Definition
145
Term
Update Manager - Concurrent ESX host scan per VUM server
 Definition
72
Term
Update Manager - Concurrent ESX host remediation per VUM server
 Definition
8
Term
Update Manager - Concurrent ESX host upgrade per VUM server
 Definition
48
Term
Update Manager - Concurrent ESX host upgrade per cluster
 Definition
1
Term
vCenter Orchestrator - Connected vCenter Server systems
 Definition
10
Term
vCenter Orchestrator - Connected ESX/ESXi servers
 Definition
100
Term
vCenter Orchestrator - Connected VMs
 Definition
3000
Term
vCenter Orchestrator - Concurrent running workflows
 Definition
150
Term
vCenter Converter - Concurrent import/export tasks
 Definition
16
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