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NTFS磁盘系统的文件尺寸限制~!

swotcoder 2003-04-26 01:35:06
Table 13.5 lists NTFS size limits.

Table 13.5 NTFS Size Limits

Description Limit
Maximum file size Theory: 16 exabytes minus 1 KB (264 bytes minus 1 KB)
Implementation: 16 terabytes minus 64 KB (244 bytes minus 64 KB)

Maximum volume size Theory: 264 clusters minus 1 cluster
Implementation: 256 terabytes minus 64 KB ( 232 clusters minus 1 cluster)

Files per volume 4,294,967,295 (232 minus 1 file)

Maximum Sizes on FAT32 Volumes
A FAT32 volume must have a minimum of 65,527 clusters. Windows XP Professional can format FAT32 volumes up to 32 GB, but it can mount larger FAT32 volumes created by other operating systems. Table 13.6 lists FAT32 size limits.

Table 13.6 FAT32 Size Limits

Description Limit
Maximum file size 4 GB minus 1 byte (232 bytes minus 1 byte)
Maximum volume size 32 GB (implementation)
Files per volume 4,177,920
Maximum number of files and subfolders within a single folder 65,534 (The use of long file names can significantly reduce the number of available files and subfolders within a folder.)

Maximum Sizes on FAT16 Volumes
FAT16 supports a maximum of 65,524 clusters per volume. Table 13.7 lists FAT16 size limits.

Table 13.7 FAT16 Size Limits

Description Limit
Maximum file size 4 GB minus 1 byte (232 bytes minus 1 byte)
Maximum volume size 4 GB
Files per volume Approximately 65,536 (216 files)
Maximum number of files and folders within the root folder 512 (Long file names can reduce the number of available files and folders in the root folder.)
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swotcoder 2003-04-26
yahoo目前是21TB的数据量,而1EB等于1024个TB,真的不用为是否能装的下你的数据库操心!

MySQL最大的数据库限制是800TB!
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swotcoder 2003-04-26
NTFS单个文件大小是16EB,估计没几个企业可以如此疯狂,何况还可以玩RAID。其实磁盘限额在Windows 2000的发行说明中就有了。为什么不去看?检讨下!
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