rsync -rvP rsync://ftp.ncbi.nlm.nih.gov/snp/database/shared_data .
rsync -rvP rsync://ftp.ncbi.nlm.nih.gov/snp/database/shared_schema .
rsync -rvP rsync://ftp.ncbi.nlm.nih.gov/snp/database/shared_data .
rsync -rvP rsync://ftp.ncbi.nlm.nih.gov/snp/database/shared_schema .