服务器硬盘剩余空间计算问题: 通过xp_availablemedia得出的结果应该怎么计算?(low free和high free)

Question

如果要获取硬盘剩余空间,用命令:xp_fixeddrives

Answer 1

(high free*4294967296+low free)/1024/1024/1024

Answer 2

CSV：
C:\,-1869283328,0,2
D:\,451993600,12,2
C:\Inetpub>dir
 驱动器 C 中的卷是 system
 卷的序列号是 EC82-1005 C:\Inetpub 的目录2011-06-21  01:08    <DIR>          .
2011-06-21  01:08    <DIR>          ..
2011-05-14  23:19    <DIR>          AdminScripts
2011-05-14  23:19    <DIR>          iissamples
2011-05-14  23:20    <DIR>          Scripts
2011-05-25  01:39    <DIR>          wwwroot
2011-06-21  01:08                 0 新建 文本文档.txt
               1 个文件              0 字节
               6 个目录  2,425,450,496 可用字节C:\Inetpub>
C盘怎么是负数