How to set up Arq Backup with B2 Cloud Storage

1. After installing the Arq software, select Backblaze B2 as your destination for backups via the Arq Preferences: 



2. Next, enter your B2 Application Key ID and Application Key pair into the appropriate fields and click to Continue. If you need help finding your B2 Master Application Key ID and Master Application Key pair, please refer to this guide. The technical docs for Application Keys are also available here



3. Select the B2 bucket you'd like Arq Backup to upload/store data in. You can create a bucket specifically for Arq in this area, or select a bucket you've already created. 


-Each B2 account is limited to 100 total buckets

-Your bucket name must be globally unique



4. After you select the bucket, click to 'Set Up Backups' and enter an Encryption password to protect the data. Make sure to remember or write down your Encryption password for Arq. There is not a way to retrieve this password. If you forget it, you won't be able to restore the data you back up. 



If you change your Application Key for your B2 account, it will invalidate your old Application key. If you invalidate your old key set up with Arq, you cannot edit the backup. You will instead need to remove this backup and start a new one with the new Application key that you've created.

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