Hello Actually I have problem with run mysql (InnoDB db backend) on btrfs file system. MySql daemon doesn’t run and log file contains: 101006 13:36:39 mysqld started InnoDB: Error: tried to read 16384 bytes at offset 0 0. InnoDB: Was only able to read -1. 101006 13:36:40 InnoDB: Operating system error number 22 in a file operation. InnoDB: Error number 22 means ‘Invalid argument’. InnoDB: Some operating system error numbers are described at InnoDB: http://dev.mysql.com/doc/refman/5.0/en/operating-system-error-codes.html InnoDB: File operation call: ‘read’. InnoDB: Cannot continue operation. 101006 13:36:40 mysqld ended 101006 13:45:16 mysqld started 101006 13:45:17 InnoDB: Started; log sequence number 0 3084915 101006 13:45:17 [Note] /opt/zimbra/mysql/libexec/mysqld: ready for connections. Version: ‘5.0.90-log’ socket: ‘/opt/zimbra/db/mysql.sock’ port: 7306 Source distribution 101006 13:48:35 [Note] /opt/zimbra/mysql/libexec/mysqld: Normal shutdown 101006 13:48:35 InnoDB: Starting shutdown… 101006 13:48:36 InnoDB: Shutdown completed; log sequence number 0 3084925 101006 13:48:36 [Note] /opt/zimbra/mysql/libexec/mysqld: Shutdown complete 101006 13:48:36 mysqld ended Used software: CentOS 5.5 x86_64 with 2.6.32-100.0.19.el5 (from Oracle) Btrfs tools from git tree (downloaded and compiling 10/06/2010) MySQL v5.0.90 (from Zimbra Collaboration Suite Community) Regards Grzesiek -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html