Innobackupex 任何版本都不支持 mariadb10.6.7 版本

Number of pools: 1
InnoDB: Operating system error number 2 in a file operation.
InnoDB: The error means the system cannot find the path specified.
InnoDB: File /mysqlinnodb/ib_logfile1: ‘open’ returned OS error 71. Cannot continue operation
InnoDB: Cannot continue operation.

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Hello, this sounds like a permissions issue. Keep in mind also that it is not supported to backup MariaDB 10.6 with xtrabackup as per the compatibility matrix. See Percona Release Lifecycle Overview

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