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Manage backup and restore with sharding
The capability to back up data in external cloud storage is available to some customers as part of the closed beta.
When you provision an Atlassian product, we distribute the product’s data across a set of partitions or shards. This results in improved performance because we split the data into smaller, easier-to-manage pieces and store them in multiple shards. Each shard has only a part of the data, so when you look for something, you only have to search through a smaller amount of information, making it quicker to find what you need.
How we back up and restore with shards
When you take a backup of a product, we store the backup file in a shard within a region. We can restore the backup to a product instance that is stored in the same shard within the same region. We don’t support cross-shard backup and restore.
If the backup file and the product instance where you’re restoring are in two different shards, you need to move the product instance to the same shard as the backup file. Moving this data may take up to 30 minutes. This won’t affect your data or any compliance.
To restore data to a product instance on the same shard as the backup:
Go to admin.atlassian.com. Select your organization if you have more than one.
Select Settings > Data management > Backup and restore.
From the Restore tab, select the product you want to restore, then select Next.
Select the specific backup you want to restore from the list of available backups for the product. If no backups are available, create a backup policy and run a backup.
If the backup is available in Atlassian storage, select Proceed to restore.
Review your backup. If the backup includes attachments, select whether you want to restore them, then select Next.
Select where to restore the product data, then select Next. If you want to restore to a product instance on the same shard, select the Show product instances in the same shard as the backup checkbox. If you want to restore to a product instance on a different shard, you need to move the product instance’s data in the next step. Moving data may take up to 30 minutes.
Review the data to restore, then select Restore. Once the restore starts running, it’s added to the Restore table.
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