previously, to back up kafka, it was necessary to save the state of zookeeper and the data from log.dir, now we have switched to kraft to make a backup copy of the data, now we only need to copy the contents of log.dir?
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Sounds correct to me. What issues are you having with this? – OneCricketeer May 24 '23 at 15:20
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@OneCricketeer I have a cluster of three brokers, purely in theory, it can break or someone can break it due to incorrect actions, I would like to store all the data in another Data Center and in case of data loss I could deploy it right away, since I have not worked with kraft, I want to understand that I need to backup other than copying log.dir – Iceforest May 24 '23 at 15:32
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I'd recommend using MirrorMaker2 to properly backup to an external Kafka cluster, not just copying any data directories. But like I said, sounds like you know what to copy. What happens when you try and restore that data? – OneCricketeer May 24 '23 at 15:54
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@OneCricketeer the principle of my work is to fully investigate first, and then do it, I haven't tried this method with a simple copy of log.dirs yet – Iceforest May 24 '23 at 18:52
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Have you read the docs? https://kafka.apache.org/documentation/#replace_disk – OneCricketeer May 24 '23 at 20:32