Dell-EMC
E20-526 · Question #35
A storage administrator wants to re-use some of their XtremIO thin provisioned disks attached to a Microsoft Windows 2012 host. However, the administrator notices that "Quick Format" of the drives…
The correct answer is B. Temporarily disable the UNMAP feature on the Windows host during formatting. It is related to TRIM/UNMAP, which is enabled per default in Server 2012(R2). hosted-on-a-thin-provisioned-san-vol-take
Optimize and Troubleshoot XtremIO Deployments
Question
A storage administrator wants to re-use some of their XtremIO thin provisioned disks attached to a Microsoft Windows 2012 host. However, the administrator notices that "Quick Format" of the drives is taking a long time to complete. This has an impact on the overall performance. What should be recommended to minimize the performance impact?
Options
- ADisable the I/O elevator feature on the Windows host while formatting
- BTemporarily disable the UNMAP feature on the Windows host during formatting
- CAdjust the execution throttle value on the Windows host
- DChange the disk format to thick provisioned
How the community answered
(27 responses)- A11% (3)
- B81% (22)
- C4% (1)
- D4% (1)
Explanation
It is related to TRIM/UNMAP, which is enabled per default in Server 2012(R2). hosted-on-a-thin-provisioned-san-vol-take
Topics
#UNMAP#Windows thin provisioning#Quick Format performance#write amplification
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