Generally available: You can create a Hyperdisk Balanced High Availability disk by cloning a zonal Hyperdisk Balanced...

Generally available: You can create a Hyperdisk Balanced High Availability disk by cloning a zonal Hyperdisk Balanced or Hyperdisk Extreme disk. This lets you make your zonal workloads highly available by adding a replica of the data in another zone within the same region.

For more information, see Create a regional disk clone from a zonal disk.