Memory system with low-latency read recovery and method of operating the memory system

A system comprising:

• first and second memory systems storing first and second copies of data, respectively, and having first and second decoders, respectively, each of the first and second memory systems being configured to execute read commands received from a host, each read command being associated with one or more of a plurality of recovery levels, each of which directs decoding at a specific latency and decoding strength,
• wherein when the first memory system receives, from the host, a read command for decoding the first copy of data at a first recovery level, the first decoder decodes the first copy of data at the first recovery level for a first time slot and sets a second time slot associated with a second recovery level, the second time slot longer than the first time slot;
• when the second memory system receives, from the host, a read command for decoding the second copy of data at the first recovery level in response to a decoding fail of the first decoder at the first recovery level, the second decoder decodes the second copy of data at the first recovery level for the first time slot;
• and
• when the first memory system receives, from the host, a read command for decoding the first copy of data at the second recovery level in response to a decoding fail of the second decoder at the first recovery level, the first decoder decodes the first copy of data at the second recovery level for a third time slot, which is determined based on the first and second time slots and is shorter than the second time slot.