Just as a word of warning, Redis 2.2 cannot read rdb or aof files created by 2.4 (meaning I'm pretty sure 2.2 can't be a slave of 2.4. So, if you have a fail ov

Just as a word of warning, Redis 2.2 cannot read rdb or aof files created by 2.4 (meaning I'm pretty sure 2.2 can't be a slave of 2.4. So, if you have a fail over scenario, you might be forced to upgrade your master to 2.4.