Useful if Windows is hibernated.
Write files to Microsoft NTFS drives on your Mac
All files are displayed with lower case in directory listings. One needs either to resume Windows and shutdown it properly, or use this option which will remove the Windows hibernation file. Please note, this means that the saved Windows session will be completely lost. Use this option for your own responsibility. The Windows logfile is cleared, which may cause inconsistencies. Currently this is the default option. The noatime option disables inode access time updates which can speed up file operations and prevent sleeping notebook disks spinning up too often thus saving energy and disk lifetime.
The relatime option is very similar to noatime. It updates inode access times relative to modify or change time. The access time is only updated if the previous access time was earlier than the current modify or change time. This is the default behaviour. Otherwise the default behaviour is to hide the system files. Such files and directories normally do not appear in directory listings, and when the flag is set they do not appear in Windows directory displays either. Existing such files can still be read and renamed.
The default is infinite. Note that the size of read requests is limited anyway to 32 pages which is kbyte on i It can be set to, one of none , windows or xattr. If the option is set to none , the user will have no access to the named data streams. The default is xattr on Linux, none on other OSes. It changes the apparent size of files and the behavior of read and write operations so that encrypted files can be saved and restored without being decrypted.
The user. A directory is marked for compression by setting the bit 11 value 0x in its Windows attribute. In such a directory, new files are created compressed and new subdirectories are themselves marked for compression. The option and the flag have no effect on existing files. Existing compressed files can still be read and updated.
It was superseded by the recover and norecover options. This will lead to a user mapping file like : john::S mary::S :smith:S ::S The utilities ntfs-3g. Acknowledgement Several people made heroic efforts, often over five or more years which resulted the ntfs-3g driver. See also ntfs-3g. TEST Version New: sanity check upcase table. New: added a big-endian extended attribute name for attrib and times. New: added an extended attribute name for creation time. New: enable renaming of system extended attributes. Change: improved appending data to fragmented files.
Change: improved rebuilding a runlist.
Change: improved comparing filenames on big-endian CPUs. Fixed stat 2 for system files with no data. Fixed alignment on cached structures. Fixed allocated size when an attribute update causes unnamed data to be expelled. Fixed checking mounted device status on some non-Linux platforms. Fixed mounting with SELinux context.
Fixed -n and —no-mtab mount option handling, needed by automount. NTFS-3G manual update. New: Two new mount options: compression and nocompression default. Change: Re-enabled compression in root directory. Change: Redefined default user mapping. Fixed use of utimensat with external fuse older than 2. Fixed a hang when reading a corrupt compressed file. Fixed a possible crash when creating a stream. Fixed all reported and found compressed write related bugs.
Fixed partially overwriting sparse clusters on highly fragmented volumes. Fixed checking write errors in setxattr. Fixed processing end of partial runlist for compressed files. Fixed updating file compressed sizes. Fixed checking the device mount state. Fixed excessive cluster allocation within big holes. Fixed creating empty encrypted extended attributes. Fixed too permissive sanity check before compressing. Fixed error returns when writing compressed data. Fixed sanity checked when closing a compressed file.
Fixed zeroing the end of an ex-hole cluster of compressed files. Improved sanity checks on security descriptors. Fixed modifying the read-only flag on a directory. Fixed a bug in ACL inheritance.
NTFS Write support on OS X 10.8.4 Mountain Lion
Fixed a bad condition for security descriptor upgrade. Fixed the condition for executing utime and utimensat. Fixed a bad error checking when closing a compressed file. Fixed compiler warnings on OpenSolaris. Fixed conditional code for self-test in secaudit. New: Nanosecond resolution file timestamps support. New: Selective file timestamp modification by utimensat 2. New: Caching inodes. Fixed setting archive bit on file and alternated data stream creation. Fixed setting reparse tags in parent directories.
Fixed enabling permissions when no UserMapping file is found. Fixed an error return code in the main mount function. Fixed setting timestamp via extended attributes to be consistent between Windows and Linux view. Fixed option processing when uid, gid, fmask or dmask are present. Fix: Setting timestamp via extended attributes was not consistent between Windows and Linux view. Solution is also available from Microsoft, please see KB Upgrade is recommended!
New: Full extended attributes support for all namespaces: user, system, security and trusted. New: Junction points support. The junction points and symbolic links created by Windows are seen as symbolic links. They are mapped to extended attributes for easier access. New: Compression write support: sequential writing to compressed files is supported. New: Support copying and restoring encrypted files without decrypting them.
New: Support getting and setting high-resolution file timestamps. New: Support to get, set and remove DOS filenames. New: Tools for managing ownership, permissions and ACLs: ntfs-3g. Fix: Improved Windows junction and symlink handling. Fix: Improved ACL handling. Frequently used data are cached to improve speed. Space allocation for fragmented and sparse files has been improved.
New: Tools for managing ownership, permissions and ACLs: secaudit checks the integrity of ownership, permissions and ACL, usermap gives help to configure ownership. Change: Performance optimizations. Fix: Volume could be potentially corrupted or the driver may crashed after a partial write or hardware error. Fix: The driver could crash handling highly fragmented files. This is mostly noticable on multi-TB volumes and embedded devices.
Change: Improved multi-cluster allocation, non-aligned file write performance. Change: Improved volume consistency and recovery if the storage device was unsafely detached or powered down. Change: Less disk space usage. Fix: The driver may crashed when it tried to read a highly fragmented file or directory which was either corrupted or it was unreadable due to a hardware error. Upgrade is recommended.
Fix: The lack of file backup timestamp support confused some applications on OS X. Change: The user extended attribute namespace is supported by default on Linux. Change: A volume having unclean journal file is recovered and mounted by default. Fix: An extended attribute got corrupted if the new attribute size was smaller than the original size. Fix: Report an error if a filename can not be listed during reading a directory. Instead filenames are always converted to UTF TEST Version 1. The NTFS-3G driver is able for unlimited file and directory creation and removal as the result of 13 years continuous development with the help of hundreds of contributors over these years.
Fix: The system log was flooded if a transparently compressed or encrypted file was tried to be updated repeatedly. New: Solaris support. New: Libtool-2 support. Change: The default compiler is gcc. Fix: Removing alternate data streams and extended attributes leaked memory. Fix: Mount could fail with some mount 8 utilities e. Fix: A corrupted directory could hang the driver. Fix: Mount could hang if the block allocation map was corrupted.
Fix: The driver could hang or misbehave when compressed, sparse or encrypted file attribute flags were corrupted. Fix: The driver could crash when both an MFT attribute offset and the allocated bytes were corrupted. New: Support building the driver in a separate directory. The default is enabled on Linux and disabled on all other operating systems.
The chance for this to happen is higher for close to full disk utilisation and using one of the more uncommon, less than byte cluster sizes. All stable releases have this issue since version 1. Fix: The symlink 2 system call failed or the size was truncated at modulo if the old path was over bytes. Fix: Unprivileged mount may have been denied because supplementary groups were dropped too early as a security measure. Fix: Updating hard link attributes was delayed by one second which resulted softwares seeing their file sizes and timestamps incorrectly during this time interval.
These options are always denied for setuid-root and unprivileged mounts. Fix: Setuid-root ntfs-3g had a local root exploit and other security problems. From now on unprivileged mounts of block devices are possible only with using the integrated FUSE library default on Linux which has no known security problem.
Fix: Create mount. Change: Keep shrinking driver size. New: To facilitate the use of the NTFS-3G driver in scripts, an exit code is returned to give an indication of the mountability status of the volume. Zero value means success, and all other ones mean an error. For non-Linux operating systems this is the default and the only compilation option. New: The —enable-ldscript configure option uses ldscript instead of. New: Added libntfs-3g. Change: Rewritten, backwards compatible build system. Please note, though NTFS-3G updates the times correctly now, FUSE may keep caching old, invalid time attributes for a short time after rename 2 , creat 2 , and some file operations which involve hard links.
FUSE has fixed already the first two cases and they may be included in the Linux kernel 2. This problem may have caused Thunderbird to hang. Fix: Some versions of the gcc compiler have crashed during compilation. Fix: The utimes 2 system call may incorrectly updated the last status change filestamp. Change: The ntfs. Fix: uClibc and uClinux improvements.
How To Write To Windows NTFS Drives In Mac OS X "Snow Leopard" - Stephen Foskett, Pack Rat
Fix: logging improvements. Fix: many other minor fixes. Sparse files are very rarely used, most typically by bittorent clients. Fix: creation of read-only files failed. Change: free inode calculation was CPU intensive during write activity. This could reduce write performance when millions of files are used if a file manager or desktop applet regularly polled for disk space usage.
Now the statfs system call is constant time. Change: free disk space calculation was highly CPU intensive during write activity. This could reduce write performance severely, especially for huge volumes if a file manager or desktop applet regularly polled for disk space usage. All performance improvements are included unchanged from the 1. Please see those details below. Change: improved the performance of writing multi-GB size files, particularly after the creation of many thousands of other files. Previous disk space defragmentation is highly advised for the best possible speed.
File level defragmentation is not enough. Change: improved concurrent write performance. The fact of the real dirtiness is stored in the NTFS logfile which is already checked for. Fix: compilation failed with glibc 2. Fix: unmount fusermount -u was denied for an unprivileged user who was allowed to mount a block device. FUSE 2. Fix: metadata update error was ignored in some very rare cases during writing a file. Fix: permissions checking was turned on if umask, fmask and dmask was set to the default value.
Change: manual update, added Windows filename compatibility section. Change: lots of logging improvements. Fix: very rare, recoverable directory corruption. Fix: portability improvements. Change: logging improvements.
Enable Mac OS X NTFS Write Support Using Drive UUID
Fix: file close failure was not always reported. Fix: unmount failure was not always reported. Fix: converting very long file names to Unicode may failed. New: libntfs-3g is versioned. Change: manual update, added access handling, security section. New: —disable-ldconfig configure option. TEST Version 0. New: warn if the deficient FUSE 2. Fix: a bug in chkdsk could result the removal of highly fragmented, valid files.
Fix: Mac OS X portability improvements.
NTFS-3G in Mac OS X Lion (10.7) with read-write support
Change: full file permission checking if any of the uid, gid, umask, fmask, or dmask mount option is used. Version 0. Fix: writing several files at the same time could be very slow. Fix: writing at several places into a file at the same time could be very slow. Fix: invalid argument error when writing randomly into sparse files. Fix: fuse 2. Fix: static linking failed with FUSE 2. Change: more verbose error reporting, explanations, hints for solutions.
Fix: mount arguments were omitted on the 2nd fuse mount attempt. New: FUSE 2. New: bmap implemented: safe swap file support, LILO bootability. Change: new software versioning. Fix: statistic of inodes and free inodes was incorrect df -i. Although just about everything Microsoft produces is maligned by UNIX and Mac geeks, this hatred is unwarranted in the case of the many storage advances coming out of Redmond. Microsoft may be fairly criticized for producing expensive, proprietary systems, but they have dome some amazing things with disks, and NTFS is arguably one of the most advanced filesystems in wide usage.
This leads to issues for Mac users, especially when they dual-boot with Boot Camp or buy external hard disk drives. As mentioned, all versions of Mac OS X since Mac OS X Users have reported kernel panics when using these methods, and although I have not heard of data corruption, it is possible as well. This simple command-line utility takes a few arguments and attaches a raw disk device to a point in the unified filesystem tree. Also, some have reported needing multiple reboots to make it work.
I have no idea why. But here it is! Each requires superuser access and careful typing. You can easily mess up your system this way, and unsupported uses of the NTFS driver might result in data loss. In fact, the best method is simply to go buy a Seagate GoFlex drive and use the Paragon driver that comes with it!
But hackers and geeks like me want to know how to do this. This is why I decided to document it here. Note: Some of these links include affiliate codes that help pay for this blog.