Google Cloud NetApp Volumes: managed ONTAP on GCP

What GCNV is

• Fully managed, ONTAP-powered: Google Cloud NetApp Volumes is a first-party Google Cloud service that runs NetApp's ONTAP software behind a Google Cloud API and console. You never see a cluster, node, or aggregate — you create volumes and mount them.
• Protocols: NFS (v3/v4.1), SMB, iSCSI, and NVMe/TCP, including multiprotocol access — so the same volume can serve Linux via NFS and Windows via SMB, like on-prem ONTAP.
• No refactoring: the pitch is lift-and-optimize: mount an NFS volume exactly the way you would on an on-prem ONTAP array, point the app at it, done. Supported workloads include Linux, Windows, VMware (GCVE), Kubernetes, and SAP shared files.
• Who operates what: Google operates the ONTAP (patches, upgrades, hardware) — like FSx/ANF you get a managed API instead of SSH to a node shell. Your team keeps managing volumes, exports, snapshots, and the app itself.

Storage model: pools, tiers, and Flex Unified

• Storage pool → volumes: capacity is provisioned in storage pools (the GCNV equivalent of an ANF capacity pool), and volumes are carved from a pool. Pool sizing and per-TiB throughput commitments set the floor for volume performance.
• Service tiers: GCNV offers tiered service levels (Standard, Premium, Extreme) with increasing per-TiB throughput. Exact throughput numbers move as Google updates the offering — check the current documentation before sizing.
• Flex Unified: the high-end tier that unifies block and file on one pool, with throughput scaling up to 22 GiB/s and 750,000 IOPS per storage pool — aimed at the most demanding AI/EDA/database workloads.
• Cost features: auto-tiering (cold data to cheaper storage), independent scaling of capacity vs performance, and near-zero-footprint instant snapshots keep the bill down for tier-2 data.

Networking

• VPC-based: GCNV lives in Google Cloud networking. Volumes are reachable from Compute Engine VMs in the same or peered VPCs via the private RFC-1918 ranges Google allocates to the service.
• Access model: you allocate IP ranges for the service in your VPC (private service access style); mount points look like ordinary internal IPs, so no public exposure or VPN is needed for in-cloud clients.
• Hybrid: on-prem clients reach GCNV through Cloud VPN or Cloud Interconnect — the NFS/SMB protocol behavior is unchanged from any other ONTAP, so existing mount/export patterns carry over.

Data protection: snapshots, backups, replication

• Instant snapshots: near-zero-footprint point-in-time copies created from the console or API in seconds — the same CoW mechanics as on-prem ONTAP (see the copy-on-write deep-dive).
• Fast ransomware recovery: reverting a volume to a snapshot takes under a minute, versus hours for a from-backup restore — Google's own messaging leads with this use case.
• Backups: GCNV backup service copies volumes (full + incremental) to Google Cloud storage as a second line of defense, independent of the pool.
• Cross-region replication: asynchronous replication of volumes between regions for DR — the managed equivalent of SnapMirror. RPO/RTO planning and failover are done from the GCNV console/API.
• Cloning: instant volume clones for dev/test and data pipelines — handy for CI and ML data versioning.

GCNV vs FSx for ONTAP vs Azure NetApp Files

All three are the same ONTAP brain wearing a cloud-native coat. Pick by which cloud your VMs live in — cross-cloud replication between them and on-prem is possible via SnapMirror where the service exposes it (FSx and CVO do; GCNV replication is region-to-region within GCP).

Common use cases

• SAP on GCP: NFS shared files for SAP application servers and databases (the classic ONTAP-on-cloud play).
• EDA and chip design: read-heavy, metadata-intensive front-end and write-heavy back-end workloads — a documented GCNV strength.
• VDI and file shares: Windows and Linux user/group shares, MS-SQL shared storage, PACS images.
• VMware on GCVE: GCNV as NFS datastores alongside vSAN — scale storage independently of compute, like NFS datastores on any ONTAP.
• ML/AI data lakes: shared datasets served over NFS with snapshotting for data versioning.

Note: service-tier throughput figures, region availability, and the exact feature set (e.g. which NVMe/TCP versions, replication topology) change as Google updates the service — confirm against the current Google Cloud NetApp Volumes documentation before sizing a production deployment.

GCNV vs Cloud Volumes ONTAP on GCP

Google Cloud is the one place where the choice between managed and self-managed ONTAP is most visible: Cloud Volumes ONTAP (CVO) can also run in GCP as VMs you operate. GCNV wins on zero operations (no upgrades, no node shell) and Google console integration; CVO wins when you need the full ONTAP feature set — FlexGroup, MetroCluster, deeper CLI access, or a region GCNV doesn't cover. If you're starting fresh in GCP with standard NFS/SMB/block needs, GCNV is the default; reach for CVO when a requirement exceeds the managed envelope.

Getting started

1. Enable the NetApp Volumes API in your Google Cloud project and create a storage pool (choose region, tier, and capacity).
2. Allocate the VPC IP ranges GCNV uses to reach your network (the console walks you through the peering/ranges setup).
3. Create a volume with the protocol you need (NFSv3/v4.1, SMB, iSCSI, or NVMe/TCP) and set export/share rules.
4. Mount from your VMs: mount -t nfs <volume-ip>:/<export-path> /mnt/data — the same command you'd run against on-prem ONTAP.
5. Schedule snapshots and backups, then test a restore before you rely on it.