You are migrating an on-premises OLTP database to a Compute Engine VM. Benchmarking shows the workload peaks at 500 000 random read IOPS and 5 GB/s throughput against 14 TB of data. The data must persist across host maintenance events, and you want to avoid managing software RAID or complex striping. Which storage option should you attach to the VM to meet these requirements?
Attach eight 375 GB Local SSD devices in a RAID-0 array to reach the target IOPS.
Attach a 14 TB Hyperdisk Extreme volume and set its performance parameters to 500 000 IOPS and 5 GB/s.
Provision a 14 TB Filestore High Scale instance and mount it over NFS.
Stripe multiple 4 TB zonal Persistent Disk SSD volumes until benchmarks are satisfied.
A single Hyperdisk Extreme volume can be provisioned up to 16 TB, with independent tuning of IOPS (up to 500 000 per instance) and throughput (up to 5 000 MiB/s ≈ 5 GB/s). Because Hyperdisk volumes are durable and survive live migration and automatic restarts, data is preserved during host maintenance. Local SSD can exceed the required IOPS but is ephemeral and would require RAID for capacity. Striping multiple Persistent Disk SSD volumes cannot reach 500 000 IOPS. Filestore is an NFS file share, not a block device suited for database storage.
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What is Hyperdisk Extreme and how does it work?
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Why can't Local SSD or RAID solutions meet the requirements in this scenario?
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Why is Filestore or Persistent Disk SSD not suitable for this use case?
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What is a Hyperdisk Extreme volume?
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How does Hyperdisk differ from Local SSD in Google Cloud?
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Why is Filestore High Scale not suitable for OLTP databases?
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GCP Associate Cloud Engineer
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