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rsync -av / /媒体/备份

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rsync -av / /媒体/备份

如果我使用命令

rsync -av / /媒体/备份

/media/back 是否包含在 / 文件系统中？这是否会导致某种重复循环，从而导致 rsync 尝试将 /media/backup 复制到自身？

答案1

你需要--exclude它。

sudo rsync -a --exclude=/media/backup  /  /media/backup

你可能不需要删除选项，但我已将其和下面其他一些选项包括在内，以防万一。请注意-rlptgoD=-a

sudo rsync --dry-run -hv --progress --stats -rlptgoD \
           --exclude=/media/backup \
           --delete \
           /  /media/backup

# A summary of most of the Options used above
# ===========================================
# --dry-run           For tesing your command. Remove it 
#                       when you are satisfied with the command.   
# -hv                 Human Verbose
#  
# -a, --archive       Archive mode 
#   (-a == -rlptgoD # no -H,-A,-X)
#   -r, --recursive   Recurse into directories
#   -l, --links       Copy symlinks as symlinks
#   -p, --perms       This option causes the receiving rsync to set the destination
#                       permissions to be the same as the source permissions.
#   -t, --times       Preserve modification times
#   -g, --group       Preserve group
#   -o, --owner       Preserve owner (super-user only)
#   -D                Same as --devices --specials
#       --devices     Preserve device files (super-user only)
#       --specials    Preserve special files
#    
# --delete           Delete extraneous files from dest dirs
#   
# 'PATTERN (for 'exclude')
#     ’*’   matches  any  path  component, but it stops at slashes.
#     ’**’  to match anything, including slashes.

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