2V0-622 · Question #143
A task fails while creating a VMFS5 datastore on a disk with these characteristics: -Was previously used by a Linux server -Was not erased -Is visible with the vSphere Web Client Which action can be p
The correct answer is A. Delete the partitions on the disk manually with partedUtil first.. A disk previously used by a Linux server retains existing partition table entries that conflict with VMFS5 datastore creation, and the VMware partedUtil command must be used to remove those partitions before a new datastore can be formatted.
Question
A task fails while creating a VMFS5 datastore on a disk with these characteristics:
-Was previously used by a Linux server -Was not erased -Is visible with the vSphere Web Client Which action can be performed to resolve the issue?
Options
- ADelete the partitions on the disk manually with partedUtil first.
- BCreate a VMFS3 file system first, then upgrade it.
- CCreate the VMFS5 file system manually using vmkfstools.
- DDelete the data with the vmkfstools command.
How the community answered
(61 responses)- A74% (45)
- B3% (2)
- C16% (10)
- D7% (4)
Why each option
A disk previously used by a Linux server retains existing partition table entries that conflict with VMFS5 datastore creation, and the VMware partedUtil command must be used to remove those partitions before a new datastore can be formatted.
The partedUtil utility is the supported VMware ESXi command-line tool for inspecting and modifying partition tables on storage devices. When a disk contains pre-existing partitions from a foreign OS like Linux, ESXi's datastore creation wizard cannot overwrite them without explicit removal. Running partedUtil to delete those partitions clears the partition table so the VMFS5 creation task can proceed successfully.
VMFS3 cannot be created on a disk that already has conflicting Linux partitions for the same reason VMFS5 fails, and upgrading from VMFS3 to VMFS5 does not resolve the underlying partition table conflict.
The vmkfstools command is used for VMDK and file system operations on existing datastores, not for creating a new VMFS file system on a raw disk with existing foreign partitions.
The vmkfstools command does not have a function to delete partition table data on a raw disk - that is the role of partedUtil, not vmkfstools.
Concept tested: partedUtil removing existing partitions before VMFS creation
Source: https://knowledge.broadcom.com/external/article/308361/using-partedutil-on-esxi.html
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