Veritas NetBackup™ Flex Scale Best Practices and Troubleshooting Guide

Last Published:
Product(s): Appliances (3.1)
Platform: NetBackup Flex Scale OS
  1. Introduction
    1.  
      Scope and intended audience
    2.  
      About NetBackup Flex Scale
    3.  
      About NetBackup Flex Scale nodes
  2. Configuration requirements
    1.  
      Physical environment
    2.  
      NetBackup Flex Scale configuration requirements
    3.  
      Firewall and network ports requirements
    4.  
      Considerations for using IPv6 addresses
  3. Best practices
    1.  
      Management network connectivity
    2.  
      Private network connectivity
    3.  
      Configuring AutoSupport for the appliance
    4.  
      Necessary software
  4. NetBackup Flex Scale tuning and sizing
    1.  
      Assigning media servers to a storage server
    2.  
      NetBackup Flex Scale tuning
  5. Troubleshooting NetBackup Flex Scale
    1.  
      NetBackup Flex Scale logs
    2.  
      Services management
    3.  
      Audit logs
    4. Collecting logs for cluster nodes
      1.  
        Uploading logs to Veritas Support
      2.  
        Downloading logs
    5.  
      Error messages displayed during the pre-upgrade check
    6. Troubleshooting NetBackup Flex Scale issues
      1.  
        If cluster configuration fails (for example because an IP address that was already in use is specified) and you try to reconfigure the cluster, the UI displays an error but the configuration process continues to run
      2.  
        Validation error while adding VMware credentials to NetBackup
      3.  
        NetBackup Web UI incorrectly displays some NetBackup Flex Scale processes as failed
      4.  
        Unable to create BMR Shared Resource Tree (SRT) on NetBackup Flex Scale Appliance
      5.  
        NetBackup configuration files are not persistent across operations that require restarting the system
      6.  
        Connection timeout errors during patch installs, upgrades, and rollback operations
      7.  
        Initial configuration wizard displays a driver node not selected error
      8.  
        Initial configuration wizard displays a license error after successfully configuring the cluster

Firewall and network ports requirements

If a firewall is configured, then ensure that the firewall settings allow access to the services and ports used by NetBackup Flex Scale.

The following table lists the ports and services that must be accessible:

Table: NetBackup Flex Scale required ports and services

Port / Protocol / Type

Service

Description

443 / TCP

Outbound

HTTPS

  • Used for accessing the NetBackup Web UI.

  • Used for sending Call Home notifications to Veritas support site. If you enable Call Home, you must also enable access to port 25.

8443 / TCP

Inbound and Outbound

HTTPS

Used while configuring the cluster by connecting to a node using its public IP address.

14161 / TCP

Inbound and Outbound

HTTPS

Used for accessing the NetBackup Flex Scale infrastructure management UI.

123 / UDP

Outbound

NTP

NTP synchronization

3269 / TCP/UDP

Outbound

LDAP and Active Directory

Used for configuring AD and LDAP with secure SSL or TLS access

The following table lists the optional ports and services for NetBackup Flex Scale:

Table: NetBackup Flex Scale optional ports and services

Port / Protocol / Type

Service

Description

22 / TCP

Inbound

SFTP

Used for sending product logs to the Veritas support site.

25 / TCP

Outbound

SMTP

Used for sending alerts via email.

162 / TCP

Outbound

SNMP

SNMP monitoring

8199 / TCP

Inbound and Outbound

Volume Replicator Administrative service

Used by Veritas Volume Replicator (VVR) for communication between the vradmind daemons on the Primary and the Secondary.

(Required only when catalog replication is configured)

8989 / TCP

Inbound and Outbound

Volume Replicator Resync Utility

Used by VVR for communication between the in.vxrsyncd daemons that are used for differences-based synchronization.

(Required only when catalog replication is configured)

4145 / TCP / UDP

Inbound and Outbound

Volume Replicator Connection Server

Used by VVR for heartbeat communication between the Primary and Secondary.

(Required only when catalog replication is configured)

14155 / TCP / UDP

Inbound and Outbound

VCS Global Cluster Option (GCO)

Heartbeat to monitor remote cluster health.

(Required only when catalog replication is configured)

TCP / UDP Anonymous ports

(32768-60999)

Client connections

Ports used for each Primary-Secondary connection for data replication between the Primary and the Secondary. One data port is required on each host.

These are short-lived ports assigned automatically by OS for client side socket connections in client-server communication.

53 / TCP / UDP

Inbound and Outbound

DNS

Required to configure the cluster with a DNS server. Optional for non-DNS cluster configuration.

636 / TCP

LDAP and Active Directory

Used for configuring LDAP and AD with secure SSL

389

LDAP and Active Directory

Used for configuring LDAP and AD without SSL certificate.

You might need access to additional ports based on the NetBackup features that you plan to use. For more details about the ports that are used by NetBackup, see the Veritas NetBackup™ Network Ports Reference Guide on SORT.