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タイトル
Change Block Tracking filter fails on a backup or replication job. -
説明
When backing up or replicating a particular Virtual Machine you notice the following lines in the task log:
Change Block Tracking filter created: True
The change block filter failed on /vmfs/volumes/Datastore_Name/VM_Name/VM_Name-flat.vmdk. -
原因
A possible cause of this is that vRanger cannot access the necessary files on the host to perform Change Block Tracking on the job.
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対策
Note: Verify that the disks on the machine you are backing up\replicating have disks with whole number. If the disks for this machine has a capacity of a non-whole number (nnn.nnnnnnnnn GB), then increase the disk size to the next whole number.- To reset CBT, in the vRanger UI go to "My Inventory".
- Right-click the affected VM and select 'Disable Change Tracking'.
- In the VMware vSphere client, take and snapshot, with the memory unselected, and then remove that snapshot.
- Re-enable CBT in vRanger by right-clicking the VM and selecting 'Enable Change Tracking'.
- Repeat step 3 to take and remove another shapshot in vSphere.
- Test the backup|replication job.
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追加情報
A possible resolution is to migrate the Virtual Machine to a different host and datastore, or to reboot the ESXi host.