As a virtualization expert, I am pleased to report that VMware has released patches for ESXi 6.0 and 6.7 to address an issue related to CBT (Change Block Tracking) data corruption during SnapShot reverts. This fix is particularly significant as it ensures the integrity of backup data, which is crucial in today’s data-driven environment.
The issue surfaced a few months ago, and VMware has been working diligently to resolve it. The patches were included in the latest releases for ESXi 6.0 (November) and 6.7 (last week), and the details of the fix are available on the VMware Knowledge Base (KB).
According to the KB articles, the issue arises when reverting a SnapShot and CBT data might become corrupted under a very specific condition. The patches address this issue by correcting the behavior of the CBT code in vSphere, ensuring that backup data remains intact and reliable.
As a long-time advocate for stable CBT code, I commend VMware for their dedication to resolving this critical issue. The importance of CBT data integrity cannot be overstated, especially in the context of backup and recovery solutions. The threat of corruption was a significant concern in the past, but with these patches, customers can rest assured that their data is safe and secure.
Veeam customers should also note that our SVP of Product, Anton Gostev, has highlighted the patches in his Weekly Forum Digest, and Veeam Backup & Replication will be updated to transparently work with the fix from VMware. This ensures seamless compatibility and continued support for our joint customers.
In conclusion, the release of these patches is a significant development for the virtualization community. The fix for the CBT data corruption issue demonstrates VMware’s commitment to maintaining the highest level of data integrity and stability in their flagship product. As always, I recommend that all vSphere customers apply these patches as soon as possible to ensure the continued health and reliability of their virtualized environments.
References:
https://kb.vmware.com/s/article/71155
https://docs.vmware.com/en/VMware-vSphere/6.0/rn/esxi600-201911001.html
https://docs.vmware.com/en/VMware-vSphere/6.7/rn/esxi670-201912001.html
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