SK0-005 · Question #97
A technician is configuring a new server. After using the RAID setup program to create a new RAID array, the OS installer is not able to find storage on which to write. Which of the following is the…
The correct answer is C. The technician did not allow time for the new array to initialize. The operating system installer cannot find the storage array because the RAID array likely needs time to fully initialize and synchronize before it can be presented as a logical disk to the OS.
Question
A technician is configuring a new server. After using the RAID setup program to create a new RAID array, the OS installer is not able to find storage on which to write. Which of the following is the MOST likely reason this may happen?
Options
- AThe technician did not provide drivers to support the controller.
- BThe technician did not enable UEFI in the server BIOS.
- CThe technician did not allow time for the new array to initialize.
- DThe OS is not supported on the server hardware.
How the community answered
(26 responses)- A8% (2)
- B4% (1)
- C77% (20)
- D12% (3)
Why each option
The operating system installer cannot find the storage array because the RAID array likely needs time to fully initialize and synchronize before it can be presented as a logical disk to the OS.
While missing drivers can prevent an OS from seeing the RAID controller, the question states the RAID setup program was used successfully, implying the controller itself is recognized, but the storage isn't found by the OS installer, pointing to the array's readiness.
UEFI is a firmware interface and while relevant for booting, its state (enabled/disabled) would not typically prevent an OS installer from merely seeing the created storage array if the array itself is properly initialized and presented by the controller.
After creating a new RAID array, especially one involving parity calculations (like RAID 5 or 6) or mirroring (like RAID 1), the array often needs to initialize or synchronize its disks before it is fully ready for an operating system installation. This initialization process can take a significant amount of time, during which the array is not yet presented as a complete, usable logical volume.
This is a general incompatibility issue and less likely to be the most likely reason for not finding storage immediately after creating a RAID array, especially if the server is new and generally supported.
Concept tested: RAID array initialization and OS installation
Source: https://learn.microsoft.com/en-us/windows-server/storage/disk-management/initialize-new-disks
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