Changed Block Tracking (CBT) on virtual machines

In order to use Iperium Backup with Vmware’s esxi environment, you need to enable Change Block Tracking.

In vmware esxi, edit settings -> VM Options -> Advanced -> Configuration Paramaters, Edit Configuration and add:
ctkEnabled = “TRUE”
scsi0:0.ctkEnabled = “TRUE”

The option ctkEnabled = “TRUE” is a VMX option which controls the general CBT configuration for the virtual machine. To disable CBT for the complete VM, set the value to False to disable CBT. This setting is stored in the Virtual Machines configuration file ,vmx in the VM folder. For more information, see Changed Block Tracking (CBT) on virtual machines (1020128). For each virtual disk fo the VM, there are additional options named scsix:x.ctkEnabled = “TRUE”. To disable CBT on individually on eac

Source: Changed Block Tracking (CBT) on virtual machines (1020128)

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