鉴于此命令序列...
$ pwd
/data/backup/rsnapshot
$ sudo du -csk daily.{2,3}/ruminant
1195040 daily.2/ruminant
36712 daily.3/ruminant
1231752 total
$ ls -isk /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmunix \
/data/backup/rsnapshot/daily.3/ruminant/home/andy/vmlinux2
13344429 6728 /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmlinux2
16476851 6728 /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmunix
$ sudo ln -f /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmunix \
/data/backup/rsnapshot/daily.3/ruminant/home/andy/vmlinux2
$ ls -isk /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmunix \
/data/backup/rsnapshot/daily.3/ruminant/home/andy/vmlinux2
16476851 6728 /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmlinux2
16476851 6728 /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmunix
$ sudo du -csk daily.{2,3}/ruminant
1195040 daily.2/ruminant
36712 daily.3/ruminant
1231752 total
...为什么在两个明显不同的文件硬链接在一起后，这两个目录的使用量仍然保持在 1,231,752k？我原本预计/data/backup/rsnapshot/daily.3/ruminant现在会小 6,728k。
ext3 文件系统安装在/data/backup，Linux Debian 挤压主机。
我已经检查过lsof | grep deleted这两个文件都没有被某个进程打开。