Admin | Enable Fallback for Bring Your Own Storage

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Admin | Enable Fallback for Bring Your Own Storage

2 min read

Available with these plans:

Starter

Basic

Pro

Enterprise

Separate payment is required for this feature. For more information, contact Support or your Customer Success Manager. The Lark Basic plan supports only specific countries and regions.

I. Intro

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Who can perform these steps: Primary administrators or administrators with Bring Your Own Storage (BYOS) permissions.

Bring Your Own Storage is a data security feature offered by Lark that allows organizations to store the core data that the platform collects (chat records, Docs, images, files, and more) in a designated storage environment such as a third-party cloud, private cloud, or local storage.

However, if an error emerges, such as network connectivity problems, Lark offers optional fallback capabilities to temporarily store data and therefore minimize disruption.

Fallback status	Result
Enabled	Data temporarily stored in Lark: Data that would usually be directly stored in a designated storage environment (such as files/images in chats, files/images inserted in Docs, files uploaded to the cloud, meeting screenshots, etc.) will be temporarily stored in Lark when issues emerge. This means that an organization's usage of Lark will not be affected. Data sync and deletion: Lark will automatically check if the organization's designated storage environment is available again. Once recovered, Lark will rewrite the data to the organization's storage environment and delete the data that was temporarily stored, ensuring that the data is retained only by the organization.
Disabled	Data will not be temporarily stored in Lark. Errors will occur in all environments where data is stored. When there are errors, new data won't be uploaded or sent. When users try to send something in Lark, it will be intercepted and an error will be reported (this means it won't be stored on the cloud and the data will be lost).

II. Steps

Go to the Lark Admin Console, then Security > Deployment and Encryption > Bring Your Own Storage (BYOS).

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Click the Status switch in the upper-right corner to enable fallback. This will also display your fallback space usage.

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Note: Lark offers 10 TB of temporary storage space for fallback.

III. FAQs

Does an organization have to manually enable fallback?

Yes, it must be manually activated by an organization administrator in the Lark Admin Console. Fallback is disabled by default. Lark will not temporarily store any of an organization's data unless an administrator enables fallback.

When will fallback be triggered?

Fallback will only be triggered once a certain error rate is reached or consecutive number of errors occur so as to prevent it from triggering unnecessarily (individual errors occasionally occur due to network instability even when the storage environment is working normally). Members will not notice when fallback has been activated.

Will the data be retained on Lark?

No. Once the designated storage environment is recovered, the temporarily stored data will sync to your organization's storage environment. Once data consistency has been verified, Lark will delete the data temporarily stored in the fallback space.

What usage restrictions are there?

There are capacity and time limits. Lark offers 10 TB of fallback capacity. Once the 10 TB limit is reached, further data not be saved. However, usage data is not a measure of cumulative historical usage. Once the temporarily stored data is deleted, it will no longer be counted as taking up fallback space capacity. There is a 90 day limit on storage. Lark will not continue to retain data after this deadline.