Veritas NetBackup™ Appliance Fibre Channel Guide

Last Published:
Product(s): Appliances (5.3)
Platform: NetBackup Appliance OS
  1. About NetBackup Fibre Transport and SAN Client
    1.  
      About NetBackup Fibre Transport
    2. About NetBackup SAN Client and Fibre Transport
      1.  
        About the SAN Client license key
  2. About optimized duplication and Auto Image Replication over FC
    1.  
      About Fibre Transport for optimized duplication and Auto Image Replication between appliances
  3. About backup to tape support
    1.  
      About backup to tape support for NetBackup appliances
  4. VMware support
    1. About NetBackup appliance as a VMware backup host
      1.  
        NetBackup appliance as backup host: component overview
      2.  
        Notes on NetBackup appliance as a VMware backup host
    2.  
      About appliance dynamic multi-pathing for VMware backups with SAN transport
  5. Supported Fibre Channel features on NetBackup appliances
    1.  
      About supported Fibre Channel features on NetBackup appliances
    2.  
      Fibre Channel feature support for appliance HBA configurations
    3.  
      Supported data transfer methods for NetBackup appliances
    4.  
      About Fibre Transport paths for NetBackup appliances
  6. NetBackup Appliance rear panel configurations
    1.  
      NetBackup 5240 Appliance I/O configuration options
    2.  
      NetBackup 5250 Appliance rear panel I/O configuration options
    3.  
      Available NetBackup 5340 Appliance PCIe-based I/O configurations
    4.  
      Available NetBackup 5350 Appliance PCIe-based I/O configurations
  7. About the HBA port mode configuration
    1.  
      Supported Fibre Channel port configuration for the NetBackup 5240 appliances
    2.  
      Supported Fibre Channel configurations for the NetBackup 5250 appliance
    3.  
      Supported Fibre Channel port configurations for the NetBackup 53xx appliances
    4.  
      About the factory default port mode configuration
    5.  
      Default port mode configuration for FTMS/MSDP
  8. Zoning the FC SAN
    1.  
      How to determine appliance HBA WWPNs
    2.  
      About zoning the SAN for NetBackup appliances
    3.  
      About HBA link status on the NetBackup Appliance Shell Menu
  9. About the Fibre Transport page on the NetBackup Appliance Web Console
    1. Settings > Network > Fibre Transport
      1.  
        About the HBA port mode configuration table
  10. Configuring Fibre Transport on the appliance
    1.  
      Configuring Fibre Transport settings
    2.  
      About Fibre Transport media server verification
    3.  
      Guidelines for changing NetBackup appliance FT target ports to receive data streams from multiple SAN Client FC initiator ports
    4. How to configure Fibre Transport for optimized duplication and Auto Image Replication over FC
      1. Configuring Fibre Transport to other NetBackup appliances
        1.  
          About the Fibre Transport chunk size
      2.  
        About Fibre Transport target mode verification
      3.  
        How to configure two NetBackup 52xx or 53xx appliances in different domains for MSDP replication
  11.  
    Index

Guidelines for changing NetBackup appliance FT target ports to receive data streams from multiple SAN Client FC initiator ports

If you want an appliance Fibre Transport (FT) target port to handle data streams from more than two SAN client Fibre Channel (FC) initiator ports concurrently, consider changing the following NetBackup primary server setting:

nbftconfig - setconfig - ncp 4

Caution:

This setting applies to all target ports on all FT media servers in your NetBackup domain. This setting should only be increased from the default (2) when all of the following conditions exist:

All FT target ports on all FT media servers are eight gBit/s link speeds.

The total mix of FT jobs is such that all of the FT media servers have unused FT pipes.

A large number of jobs from other SAN Client machines are waiting for resources.

The back-end storage units have a lot of unused throughput capacity.

If you increase the - ncp setting too high, the load balancing between multiple FT media servers when all SAN Client machines are zoned to all FT media servers could become highly imbalanced.

Note:

A mix of SAN Client job loads where some clients use four or more FT pipes concurrently with several other SAN Clients that only attempt to use a single FT pipe at a time increases the odds that a higher - ncp setting may cause FT media server imbalance.

For four gBit/s links, there may be situations where overall throughput can degrade when some or all SAN Clients are using multiple concurrent data streams. In those situations, nbftconfig - setconfig - ncp 3 may be a better option.