  The Daya Bay Reactor Antineutrino Experiment reported the first observation
of the non-zero neutrino mixing angle $\theta_{13}$ using the first 55 days of
data. It has also provided the most precise measurement of $\theta_{13}$ with
the extended data to 621 days. Daya Bay will keep running for another 3 years
or so. There is about 100 TB raw data produced per year, as well as several
copies of reconstruction data with similar volume to the raw data for each
copy. The raw data is transferred to Daya Bay onsite and two offsite clusters:
IHEP in Beijing and LBNL in California, with a short latency. There is
quasi-real-time data processing at both onsite and offsite clusters, for the
purpose of data quality monitoring, detector calibration and preliminary data
analyses. The physics data production took place a couple of times per year
according to the physics analysis plan. This paper will introduce the data
movement and storage, data processing and monitoring, and the automation of the
calibration.

Instrumentation and Detectors