Class DiskConfig (0.8.2)

Specifies the config of disk options for a group of VM instances. .. attribute:: boot_disk_type

Optional. Type of the boot disk (default is “pd-standard”). Valid values: “pd-ssd” (Persistent Disk Solid State Drive) or “pd-standard” (Persistent Disk Hard Disk Drive).

Number of attached SSDs, from 0 to 4 (default is 0). If SSDs are not attached, the boot disk is used to store runtime logs and HDFS <https://hadoop.apache.org/docs/r1.2.1/hdfs_user_gui de.html>__ data. If one or more SSDs are attached, this runtime bulk data is spread across them, and the boot disk contains only basic config and installed binaries.