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Ceph Cookbook - Second Edition by Karan Singh, Michael Hackett, Vikhyat Umrao

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Configuring a cache tier

A cache tier has several configuration options that define the cache tier policy. This cache tier policy is required to flush data from the cache tier to the storage tier in case of a writeback. In the case of the read-only cache tier, it moves the data from the storage tier to the cache tier. In this recipe, I have tried to demonstrate the cache tier with the writeback mode. These are some settings that you should configure for your production environment, with different values based on your requirements.

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