Differences Between Legacy FT and vSphere FT in vSphere 6.5
Legacy FT
|
vSphere FT
| |
---|---|---|
Extended Page Tables/Rapid Virtualization Indexing (EPT/RVI)
|
Not supported
|
Required
|
IPv6
|
Not supported for legacy FT logging NICs.
|
Supported for vSphere FT-logging NICs.
|
DRS
|
Fully supported for initial placement, load balancing, and maintenance mode support.
|
Only power on placement of Secondary VM and maintenance mode are supported.
|
vStorage APIs - Data Protection backups
|
Not supported
|
Supported
|
Eager-zeroed thick .vmdk disk files
|
Required
|
Not required because vSphere FT supports all disk file types, including thick and thin
|
.vmdk redundancy
|
Only a single copy
|
Primary VMs and Secondary VMs always maintain independent copies, which can be placed on different datastores to increase redundancy.
|
NIC bandwidth
|
Dedicated 1-Gb NIC recommended
|
Dedicated 10-Gb NIC recommended
|
CPU and host compatibility
|
Requires identical CPU model and family and nearly identical versions of vSphere on hosts.
|
CPUs must be compatible with vSphere vMotion or EVC. Versions of vSphere on hosts must be compatible with vSphere vMotion.
|
Turn on FT on running VM
|
Not always supported. You might need to power off VM first.
|
Supported
|
Storage vMotion
|
Supported only on powered-off VMs.
vCenter Server automatically turns off FT before performing a Storage vMotion action and turns on FT again after the Storage vMotion action completes.
|
Not supported. User must turn off vSphere FT for the VM before performing the Storage vMotion action and turn on vSphere FT again.
|
vlance networking drivers
|
Not supported
|
Supported
|
Commenti
Posta un commento