Сравнение файловых систем в windows



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The following tables list functionality and feature support comparisons for the four main Windows file systems, NTFS, exFAT, UDF, and FAT32:

  • Functionality
  • Limits
  • Journaling and Change Log
  • Block Allocation Features
  • Security
  • Compression
  • Quotas
  • Single-Instance Store
  • Related topics

Functionality

Feature NTFS exFAT UDF FAT32
Creation time stamps Yes Yes Yes Yes
Last access time stamps No (see note below) Yes Yes Yes (date only)
Last change time stamps Yes Yes Yes Yes
Last archive time stamps No No No No
Case-sensitive Yes (option) No Yes No
Case-preserving Yes Yes Yes Yes
Hard links Yes No Yes No
Soft links Yes No No No
Sparse files Yes No Yes No
Named streams Yes No Yes No
Oplocks Yes Yes Yes Yes
Extended attributes Yes No Yes (on-disk only) No
Alternate data streams Yes No Yes No
Mount points Yes No No No

Windows Server 2003 and Windows XP: The NTFS last access time stamp field is updated.

Limits

Feature NTFS exFAT UDF FAT32
Maximum file name length 255 Unicode characters 255 Unicode characters 127 Unicode or 254 ASCII characters 255 Unicode characters
Maximum path name length 32,760 Unicode characters with each path component no more than 255 characters 32,760 Unicode characters with each path component no more than 255 characters 32,760 Unicode characters with each path component no more than 255 characters 32,760 Unicode characters with each path component no more than 255 characters
Maximum file size 2^64 1 bytes 2^64 1 bytes 2^64 1 bytes 4 GiB
Maximum volume size 16 TB (4 KB Cluster Size) or 256TB (64 KB Cluster Size) 2^32 1 clusters (Maximum cluster size = 2^25 1) 2^32 blocks 2^32 blocks

Journaling and Change Log

Feature NTFS exFAT UDF FAT32
Metadata-only journaling Yes No No No
File change log Yes No No No

Block Allocation Features

Feature NTFS exFAT UDF FAT32
Tail packing Yes (small files are made resident in the MFT stream descriptor) No No No
Extents Yes No Yes No
Variable block size No (set by the volume) No No No

Security

Feature NTFS exFAT UDF FAT32
Track file owner Yes No No No
POSIX file permissions No (available in POSIX subsystem feature) No Yes No
Access control lists Yes No No No
File system level encryption Yes No No No
Checksum/ECC No Metadata Metadata No

Compression

Feature NTFS exFAT UDF FAT32
Built-in compression Yes No No No

Quotas

Feature NTFS exFAT UDF FAT32
User-level disk space Yes No No No
Directory-level disk space No (see note below) No No No

Note The directory-level disk space quotas feature on NTFS is available through the File Server Resource Manager.

Single-Instance Store

Feature NTFS exFAT UDF FAT32
File level No (see note below) No No No

Note Single-instance store for NTFS is available as part of the Single Instance Storage feature in Windows Server.