vSphere 6.7 core storage “what’s new” series:
- What’s New in Core Storage in vSphere 6.7 Part I: In-Guest UNMAP and Snapshots
- What’s New in Core Storage in vSphere 6.7 Part II: Sector Size and VMFS-6
- What’s New in Core Storage in vSphere 6.7 Part III: Increased Storage Limits
- What’s New in Core Storage in vSphere 6.7 Part IV: NVMe Controller In-Guest UNMAP Support
- What’s New in Core Storage in vSphere 6.7 Part V: Rate Control for Automatic VMFS UNMAP
- What’s New in Core Storage in vSphere 6.7 Part VI: Flat LUN ID Addressing Support
In vSphere 6.5, a new version of VMFS was introduced–VMFS-6. A behavior that many noted was that it was not always the default option for their storage. ESXi (unless told otherwise) would default to formatting some storage with VMFS-5. So when you installed ESXi, the default datastore that gets created would be VMFS-5.
The issue with this was that VMFS-5, was well not VMFS-6. Not automatic UNMAP etc. Furthermore, there is no upgrade path besides deleting the file system and then reformatting with VMFS-6. This of course was a bit annoying for many.
Continue reading “What’s New in Core Storage in vSphere 6.7 Part II: Sector Size and VMFS-6”