Which two statements are false about backup to ZFS Storage Appliance (ZFSSA)?

Question

Options

• AZFSSA may connect directly to the Exadata 100Gb RoCE network switches.
• BTop of Rack (ToR) switches are managed as part of the hardware stack and software levels are
• CWhen backing up multi-rack systems, sharing Exadata X9M switches is recommended.
• DZFS Snapshots can provide rapid cloning of development and test environment.

• A
  71% (27)
• B
  8% (3)
• D
  21% (8)

Explanation

Options A and C are the false statements because ZFSSA should not connect directly to the Exadata 100Gb RoCE network switches - that fabric is reserved for internal Exadata storage-cell traffic, and mixing backup traffic on it violates Oracle's architecture guidelines. Similarly, sharing Exadata X9M switches across racks for ZFSSA backup in multi-rack deployments is explicitly not recommended; dedicated backup network infrastructure should be used instead to avoid contention and maintain performance isolation.

Option B is true - ToR switches in Exadata are managed as part of the integrated hardware stack, with Oracle controlling firmware and software levels as part of the engineered system model. Option D is also true - ZFS Snapshots are a genuine and well-known ZFSSA strength, enabling near-instant space-efficient clones that are widely used to spin up dev/test environments quickly.

Memory tip: Think "ZFSSA needs its own lane" - it must not borrow the RoCE lane (killing A) and must not share switch lanes across racks (killing C). Anything that forces ZFSSA to share Exadata's internal network fabric is false.

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