Overview
- Disks independent of Compute Engine instance
- Data available after VM is shutdown
- Durable—data distributed across physical disks (99.9999%)
- Secure—encrypted at rest and transit
- Can attach to multiple Compute Engine instances in read-only mode
Zonal Vs Regional Persistent Disks
| Zonal | Regional |
|---|
| Single Zone | Two zones in same region |
| Standard, balanced, SSD, extreme | Standard, balanced, SSD |
| Snapshots and boot disks | Snapshots only |
| Can resize capacity, throughput and IOPs | Can resize capacity only |
References