Google Cloud Filestore
Google Cloud Filestore provides a fully managed way to share files across multiple virtual machines without manual syncing or duplication. It is designed for workloads where many systems need simultaneous access to the same data.
When applications run across multiple VMs, they often need shared access to logs, media files, configuration data, and application assets. This is where Filestore becomes useful.
What is Filestore?
Filestore is a fully managed Network Attached Storage (NAS) service in Google Cloud that provides a shared file system for VMs and containers.
Instead of copying files between systems, all connected resources access the same centralized storage.
Think of it like a shared drive:
- One user updates a file
- Everyone immediately sees the change
- No syncing or version conflicts
Filestore vs Persistent Disk
Understanding the difference between Google Cloud storage options is important.
🔹 Persistent Disk (Block Storage)
Persistent Disk is designed for single-VM use and block-level storage.
Best for:
- Operating systems
- Databases
- Application-specific storage
✔ Single-writer model
✔ Attached to one VM
🔹 Filestore (Shared File Storage)
Filestore is designed for shared access across multiple systems.
Best for:
- Shared application files
- Multi-VM workloads
- Containerized applications
✔ Multiple VMs can read/write simultaneously
✔ Shared file system behavior
👉 If multiple machines need the same files at the same time, Filestore is the right solution.
How it connects
Filestore integrates with Google Cloud networking:
✔ Works with VMs inside a VPC
✔ Supports Shared VPC setups
✔ Can be accessed via hybrid connectivity using:
- Cloud VPN
- Cloud Interconnect
When to use it
Use Filestore when you need:
📁 Shared configuration across servers
🖥️ Content management systems
🎥 Media processing pipelines
🏢 Enterprise apps requiring shared state
🚚 NFS-based lift-and-shift workloads
Key takeaway
Filestore is the managed solution for shared file storage in Google Cloud.
Choose based on workload type:
- Persistent Disk → single VM storage
- Filestore → shared multi-VM file system
Right tool. Right architecture. No conflicts.