CBT in a VMware and Veeam Environment

If a situation occurs such as where you have to delete the CBT (ctk-vmdk) files from a VM and you get the following warning from Veeam on the next backup run:   CBT data is invalid, failing over to legacy incremental backup. No action is required, next job run should start using CBT again. If CBT Read More…

VM Still Working Despite Being Powered Off

Host:     ESXi 5.0 OS:    FreeBSD I had been having trouble with a VM which suddenly stopped (Veeam) backing up due to an "NFC" error: "Processing {vm_name} Error: NFC server [{esxihost.domain.local] is busy.  Failed to retrieve next FILE_PUT message. File path: [[LUN3] {vm_name}/{vm_name}.vmx]. File pointer: [0]. File size: [3567]." Veeam requested I connect to the host directly and Read More…

Extremely Slow Snapshot Deletion

Scenario: We have a VM running on an ESXi5.1 host that was taking over an hour to backup via Veeam.  All the others were taking considerably less.   During the next run of the scheduled Veeam backup it seemed that the slow-down occurred when removing the snapshot Veeam creates. Having a browse of the datastore and Read More…