Allocate enough storage capacity and on-disk space for vSphere Data Protection to accommodate planned backups for the management components on the consolidated pod. vSphere Data Protection can dynamically expand the destination backup store from 2 TB to 8 TB. Using an extended backup storage requires more memory on the vSphere Data Protection appliance. 

Table 1. VMware vSphere Data Protection Sizing Guide

Available Backup Storage Capacity

Size On Disk

Minimum Appliance Memory

0.5 TB

0.9 TB

4 GB

1 TB

1.6 TB

4 GB

2 TB

3 TB

6 GB

4 TB

6 TB

8 GB

6 TB

9 TB

10 GB

8 TB

12 TB

12 GB

Table 2. Design Decisions about VMware Backup Store Size

Decision ID

Design Decision

Design Justification

Design Implication


Deploy the vSphere Data Protection virtual appliance initially for 4 TB of available backup storage capacity and 6 TB on-disk size.

Handles the backup of the management stack. The management stack currently consumes approximately 2 TB of disk space, uncompressed and without deduplication.

You must provide more storage to accommodate increased disk requirements.