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Druva Documentation

Ensuring high availability of storages


This section explains how you can create a High Availability (HA) policy to ensure a high availability of your primary storage. 

Creating an HA policy

A primary storage can be associated with only one secondary storage. Similarly, a secondary storage can be associated with only one primary storage. To ensure high availability of a primary storage, you must create an HA policy.

By creating a high availability policy:

  • You assign a secondary storage to a primary storage
  • You can choose to seed data to the secondary storage from the primary storage


Note: Druva recommends that the sizes of the secondary storage and the primary storage that you want to associate are equal. Further, both these stroages must be created on separate storage nodes.


To create a high availability policy

  1. Log on to the inSync Admin Console. 
  2. On the menu bar, click ManageHigh Availability.
  3. Click Create New. The Create New HA wizard appears.
  4. On the HA Overview page, enter the following details: 
  • Policy name: Name of the HA policy
  • Primary Storage: Primary storage for the policy
  • Secondary Storage: Secondary storage for the policy
  • Backup to Secondary every: Frequency of backup from user devices to the secondary storage. 
  1. On the Seeding Policy page, enter the following details:
  • Enable Seeding: Enable seeding from primary storage to secondary storage
The other fields on this page are enabled only if you select Enable Seeding. 
  • Populate secondary storage daily at: Duration for seeding
Even if all data changes are not seeded, the seeding stops after the duration you specified. 
  • Additionally, populate weekly on: Day on which weekly data is seeded 
Daily seeding is not be triggered on the day weekly seeding is scheduled.
  • Populate secondary storage weekly at: Weekly seeding schedule
  • Use dedicated IP/FQDN for destination: Enable a dedicated IP or fully qualified domain name to seed the secondary storage.
If you do not select this check box, you can select an IP address from the list of IP addresses in the IP/FQDN for destination field.
  • IP/FQDN for destination: The IP address or FQDN for seeding the secondary storage.
  • Limit bandwidth consumption to: The maximum bandwidth that can be used to seed the secondary storage.
For unlimited bandwidth, enter 0 KBps or 0 MBps.
  1. Click Finish.
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