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VCP-410
Vmware ESX 4 Certification
| Question | Answer |
|---|---|
| Max CPUs per VM | 8 |
| Max RAM per VM | 255GB |
| Max VM Swap File Size | 255GB |
| Max Virtual SCSI adapters per virtual machine | 4 |
| Max Virtual SCSI targets per virtual SCSI adapter | 15 |
| Max Virtual SCSI targets per virtual machine | 60 |
| Max Disk size | 2TB minus 512B |
| Max IDE controllers per virtual machine | 1 |
| Max IDE devices per virtual machine | 4 |
| Max Floppy controllers per virtual machine | 1 |
| Max Floppy devices per virtual machine | 2 |
| Max Virtual NICs per virtual machine | 10 |
| Max Parallel ports per virtual machine | 3 |
| Max Serial ports per virtual machine | 4 |
| Max VMDirectPath PCI/PCIe devices per virtual machine | 2 |
| Max VMDirectPath SCSI targets per virtual machine | 60 |
| Max Concurrent remote console connections to a virtual machine | 40 |
| Max Raw device mapping (RDM) size | 2TB minus 512B |
| Max Volume size | 64TB minus 16K |
| Max Virtual machines per volume | 256 |
| Max Volumes per host | 256 |
| Max Extents per volume | 32 |
| Max Hosts per cluster | 32 |
| Max Extents size | 2TB minus 512B |
| Max I/O size (before splits) | 32MB |
| Max VMFS‐3 volumes configured per host | 256 |
| Max Files per volume | ~30 |
| Max Block size | 8MB |
| Max File size (block size=1MB) | 256GB minus 512B |
| File size (block size=2MB) | 512GB minus 512B |
| File size (block size=4MB) | 1TB minus 512B |
| File size (block size=8MB) | 2TB minus 512B |
| Max Fiber Channel LUNs per host | 256 |
| Max Fiber Channel LUN size | 2TB minus 512B |
| Max Fiber Channel Paths to a LUN | 32 |
| Total fiber channel paths on a host | 1024 |
| Max Fiber Channel LUNs concurrently opened by all virtual machines | 256 |
| Max Fiber Channel LUN ID | 255 |
| Max Fiber Channel HBAs per host | 8 |
| Max Fiber Channel HBA ports | 16 |
| Max Fiber Channel Targets per HBA | 256 |
| Default NFS datastores | 8 |
| Max NFS datastores | 64 (requires changes to advanced settings) |
| Max LUNs per host | 256 |
| LUNs concurrently used | 256 |
| Initiator ports per host | 4 |
| Total paths on a host | 1024 |
| Max Paths to a LUN | 8 |
| Dynamic targets per adapter port | 64 |
| Max Static targets per adapter port | 61 |
| Max LUNs per host | 256 |
| Max LUNs concurrently used | 256 |
| Max NICs port bound with the software iSCSI stack per server | 8 |
| Max Targets (the sum of static targets and dynamic targets may not exceed this figure) | 256 |
| Max Paths to a LUN | 8 |
| Max Total paths | 1024 |
| Max Virtual CPUs per host | 512 |
| Max Virtual machines per host | 320 |
| Max Logical processors per host | 64 |
| Max Virtual CPUs per physical core | 20 |
| Max size of RAM per host | 1TB |
| Max RAM allocated to a service console | 800MB |
| Min RAM allocated to a service console | 300MB |
| Max Swap files per virtual machine | 1 |
| Max swap file size per virtual machine | Same as max virtual machine RAM |
| Max physical e1000 NICs Ethernet ports (Intel PCI‐x NIC) | 32 |
| Max physical e1000e NICs Ethernet ports (Intel PCI‐e NIC) | 32 |
| Max physical igb 1GB Ethernet ports (Intel) | 16 |
| Max physical tg3 1GB Ethernet ports (Broadcom) | 32 |
| Max physical bnx2 1GB Ethernet ports (Broadcom) | 16 |
| Max physical forcedeth 1GB Ethernet ports (Nvidia) | 2 |
| Max physical s2io 10GB Ethernet ports (Neterion) | 4 |
| Max physical nx_nic 10GB Ethernet ports (NetXen) | 4 |
| Max physical ixgbe Oplin 10GB Ethernet ports (Intel) | 4 |
| Max physical bnx2x 10GB Ethernet ports (Broadcom) | 4 |
| Max PCI VMDirectPath devices per host | 8 |
| Total virtual network switch ports per host (vDS and vSS ports) | 4096 |
| Max virtual network switch ports per standard switch | 4088 |
| Max Port groups per standard switch | 512 |
| Max Standard switches per host | 248 |
| Max Distributed virtual network switch ports per vCenter | 6000 |
| Max Distributed port groups per vCenter | 512 |
| Max Distributed switches per vCenter | 16 |
| Max Hosts per distributed switch | 64 |
| Max Hosts per HA cluster | 32 |
| Max Virtual machines per host in HA cluster with 8 or fewer hosts | 100 |
| Max Virtual machines per host in HA cluster with 9 or more hosts | 40 |
| Max Failover hosts per cluster | 4 |
| Max Failover as percentage of cluster | 50 |
| Max Hosts per DRS cluster | 32 |
| Max Virtual machines per DRS cluster | 1280 |
| Max Virtual machines per host in DRS cluster | 256 |
| Max resource pools per host | 4096 |
| Max children per resource pool | 1024 |
| Max tree depth per resource pool | 12 |
| Max Tree depth per resource pool in a DRS cluster | 10 |
| Max Resource pools per cluster | 512 |
| Max Hosts (32‐bit OS vCenter server) | 200 |
| Max Powered‐on virtual machines (32‐bit OS vCenter server) | 2000 |
| Max registered virtual machines (32‐bit OS vCenter server) | 3000 |
| Max Hosts (64‐bit OS vCenter server) | 300 |
| Max powered‐on virtual machines (64‐bit OS vCenter server) | 3000 |
| Max registered virtual machines (64‐bit OS vCenter server) | 4500 |
| Max Linked vCenter Server Systems | 10 |
| Max Hosts in Linked-mode environment | 1000 |
| Max Powered-on VMs in Linked-mode environment | 10000 |
| Max registered VMs in Linked-mode environment | 15000 |
| Max concurrent vSphere client connections (32-bit OS vCenter server) | 15 |
| Max concurrent vSphere client connections (64-bit OS vCenter server) | 30 |
| Max hosts per datacenter | 100 |
| Max concurrent provisioning operations per host | 8 |
| Max concurrent provisioning operations per datatore | 8 |
| Max concurrent VMotion operations per host | 2 |
| Max concurrent VMotion operations per VMFS3 datastore | 4 |
| Max concurrent Storage VMotion operations per host | 2 |
| Max concurrent Storage VMotion operations per datastore | 4 |
| Max concurrent operations per vCenter Server | 96 |
| Max concurrent hosts scanned with VMware Update Manager (64-bit OS server) | 300 |
| Max concurrent hosts scanned with VMware Update Manager (32-bit OS server) | 200 |
| Max concurrent virtual machines scanned with VMWare Update Manager (64‐bit OS server) | 4000 |
| Max concurrent virtual machines scanned with VMWare Update Manager (32‐bit OS server) | 200 |
| Max Cisco VDS update and deployment | 70 |
| Max VM concurrent remediation per ESX host | 5 |
| Max concurrent powered-on Windows VM scan per ESX host | 6 |
| Max concurrent powered-off Windows VM scan per ESX host | 6 |
| Max concurrent powered-on Linux VM scan per ESX host | 145 |
| Max concurrent VMware Tools scan per ESX host | 145 |
| Max concurrent VMware Tools upgrade per ESX host | 145 |
| Max concurrent VM hardware scan per host | 145 |
| Max concurrent VM hardware upgrade per host | 145 |
| Max concurrent Virtual machine remediation per VUM server | 48 |
| Max concurrent Powered‐on Windows virtual machine scan per VUM server | 72 |
| Max concurrent Powered‐off Windows virtual machine scan per VUM server | 10 |
| Max concurrent Powered-on Linux VM scan VUM server | 145 |
| Max concurrent VMware Tools scan per VUM server | 145 |
| Max concurrent VMware Tools upgrade per VUM server | 145 |
| Max concurrent ESX host scan per VUM server | 72 |
| Max concurrent host remediation per VUM server | 8 |
| Max concurrent ESX host upgrade per VUM server | 48 |
| Max concurrent ESX host upgrade per cluster | 1 |
| Max connected vCenter Server systems in vCenter Orchestrator | 10 |
| Max connected ESX/ESXi servers in vCenter Orchestrator | 100 |
| Max connected VMs in vCenter Orchestrator | 3000 |
| Max concurrent running workflows in vCenter Orchestrator | 150 |
| Max concurrent import/export tasks when using vCenter Converter (assumes no load on vCenter Server system) | 16 |
| Max number of vCenter Server systems connected specified in the vSphere Storage Management Initiative | 1 |
| Max number of ESX/ESXi hosts connected specified in the vSphere Storage Management Initiative | 1 |
| Max number of ESX/ESXi hosts managed in vCenter Server specified in the vSphere Storage Management Initiative | 100 |
| Max number of VMs registerd in vCenter Server specified in the vSphere Storage Management Initiative | 1000 |
| Max number of datastores registerd in vCenter Server specified in the vSphere Storage Management Initiative | 100 |