QuestionQ96

Performance-tuning, Optimization, and Upgrades

A vSAN administrator has recently upgraded to vSAN. The administrator wants to control the amount of Capacity Reserve used for the underutilized capacity of approximately 140 TB in a cluster of 12 vSAN ReadyNodes and 400 TB of storage for vSAN internal operations.

Which two options should be used to achieve this goal?

Choose two
  • A Slack Rebuild Reserve
  • B Capacity Plan Reserve
  • C Host Rebuild Reserve
  • D Operations Reserve
  • E Buffer Reserve
Explanation

vSAN Reserved Capacity is composed of Operations Reserve and Host Rebuild Reserve. Operations Reserve protects capacity for transient internal activities such as rebalancing and storage-policy changes, while Host Rebuild Reserve protects capacity needed to repair objects after a single-host failure. These controls replace the older fixed slack-space approach.

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