[GitHub] [rocketmq] panzhi33 edited a comment on issue #2784: slave broker print "ReputMessageService - findMappedFileByOffset failure" error continually in storeerror.log

[GitBox <gi...@apache.org>]

panzhi33 edited a comment on issue #2784:
URL: https://github.com/apache/rocketmq/issues/2784#issuecomment-814792495


   > > This is because reputFromOffset is less than the minimum storage location of the slave broker。You can disable writing to this group of brokers, slave broker, and then clear all stored files on the slave broker，re-restoring synchronization
   > 
   > Is it practicable for clear all stored files in slave broker with large stored data? It is needed to restart the slave broker?
   
   Need to restart。
   1，disable writing to this group of brokers
   2，stop the slave broker，if the cluster tps not is not high，this step can wait 3 days,wait for all the messages to be consumed and the message is saved for 3 days by default
   3，clear all stored files
   4，start the slave broker
   5，turn on  writing


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