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PowerProtect Data Manager 19.16 Storage Array User Guide

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Solution architecture

Review the network communication and protection architecture information.

Network communication

The following example shows the management and data transfer communication between PowerProtect Data Manager, PowerStore, and protection storage (PowerProtect DD).

Figure 1. Network communication between PowerProtect Data Manager, PowerStore, and protection storage (PowerProtect DD)
Network communication between PowerProtect Data Manager, PowerStore, and protection storage (PowerProtect DD)
NOTE: If required, protection storage (PowerProtect DD) supports configuring the same interface for both data and management traffic. However, it is recommended that you use different interfaces for each traffic type so that neither traffic type impacts the other.

The following table provides more information about the communication paths and the protection mechanisms that are in place.

Table 1. Network communication detailsTable that describes the communication paths and the protection mechanisms that are in place.
Component Description
PowerStore Cluster Management

PowerStore REST API (TCP 443)

The following operations are initiated by PowerProtect Data Manager:

  • Configuration
  • Backup
  • Restore

Communications are encrypted over HTTPS (TLS 1.2).

Authenticated with the PowerStore security certificate that is obtained during asset source creation, corresponding to the PowerStore administrator.

The PowerStore security certificate and administrator credentials are stored in the PowerProtect Data Manager lockbox.

Protection Traffic

DD Boost (TCP 111, 2049, 2052)

  • Backup
  • Restore

DD Boost traffic is encrypted by default.

The DD Boost connection from PowerStore is authenticated with the DD Boost username and password.

Protection Storage Configuration

PowerProtect DD REST API (TCP 3009)

The following operations are initiated by PowerStore:

  • Authentication
  • Software version and serial number
  • Network and IP address list
  • Storage unit list

Communications are encrypted over HTTPS (TLS 1.2).

Authenticated with DD username and password that has User privileges.

The protection storage serial number is stored in the PowerStore internal database.

Protection architecture

The following diagram shows the supported operations for protecting data on PowerStore storage arrays.

Figure 2. Supported protection operations
Supported protection operations

Legend:

1The local snapshot is on the primary storage array.
1 and 2The local snapshot is on the primary array, and the remote snapshot is on the replica array.
3Back up to protection storage through the primary array.
4Back up to protection storage through the replica array. During the backup, the snapshot is created on the primary array, moved to the replica array, and then backed up to protection storage.
5Back up copy replication to protection storage.
6Cloud tier for long-term storage or archival purposes.
NOTE:
  • You can store snapshot copies for the same volume or volume group on the primary storage array only, or on both the primary and replica storage arrays.
  • You can protect the same volume or volume group through either the primary storage array or the replica storage array, but not both.

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