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Expand and clarify discussion of mount points.

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Nathaniel Beaver
2015-09-11 19:33:17 -05:00
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@@ -822,7 +822,8 @@ Perhaps the most obvious problem
is that there are only 26 letters in the English alphabet. is that there are only 26 letters in the English alphabet.
But what does this mean in practice? But what does this mean in practice?
For example, the drive letter may be different when a drive is reconnected, One result is that the assigned drive letter may be different
when a drive is reconnected,
but applications that track recently used files but applications that track recently used files
will look for files under the old drive letter, will look for files under the old drive letter,
and be unable to find the files. and be unable to find the files.
@@ -840,10 +841,18 @@ and be unable to find the files.
http://new.office-watch.com/2008/make-a-consistent-drive-letter-or-path-to-a-removable-drive/ http://new.office-watch.com/2008/make-a-consistent-drive-letter-or-path-to-a-removable-drive/
Both of these problems can be solved using NTFS mount points, Fortunately, there is a solution: NTFS mount points.
but Windows doesn't use them by default.
There are also other limitations; Volume mount points are robust against system changes that occur when devices
for example, the recycle bin doesn't work as expected. are added or removed from a computer.
https://technet.microsoft.com/en-us/library/Cc938934.aspx
Unfortunately, Windows doesn't use mount points by default
for external hard drives or flash drives,
possibly because mount points can behave differently than a user might expect.
For example, the recycle bin does not work as expected
on files accessed through mount points.
The problem is the recycle bin. This "undo" option is maintained with a hidden The problem is the recycle bin. This "undo" option is maintained with a hidden
system file that is on the partition that holds the files being deleted. system file that is on the partition that holds the files being deleted.
@@ -857,47 +866,37 @@ for example, the recycle bin doesn't work as expected.
http://getyouriton.blogspot.com/2009/08/serious-gotchas-with-mounted-drives-or.html http://getyouriton.blogspot.com/2009/08/serious-gotchas-with-mounted-drives-or.html
This is related to an inconsistency Not all of this behavior is because of backwards compatibility;
of the Windows operating system: some of it is due to a design choice of the Windows operating system:
the NTFS filesystem has a root directory, the NTFS filesystem has a root directory,
but Windows itself has no unique root directory. but Windows itself has no single root directory.
(*My Computer* roughly corresponds to a root directory in concept, (*My Computer* roughly corresponds to a root directory in concept,
and looks like a folder when viewed in Windows Explorer, and looks like a folder when viewed in Windows Explorer,
but there is no actual *My Computer* folder anywhere on the filesystem.) but there is no actual *My Computer* folder anywhere on the filesystem.)
http://www.zdnet.com/article/dear-microsoft-its-time-to-stop-using-drive-letters-and-whacks/
Unix, on the other hand, Unix, on the other hand,
has a unique root directory has a unique root directory called ``/``
and mounts drives (including removable media)_ and mounts drives (including removable media)_
as directories on the filesystem. [#disk_location]_ as directories under the root. [#disk_location]_
On Linux, flash drives are mounted under ``/media/``,
are assigned a directory based on their label,
and the assigned directory won't change unless the partition label changes
or the drive is manually mounted somewhere else.
For graphical file managers,
each flash drive has its own trash folders,
one per user.
https://superuser.com/questions/169980/what-is-trash-and-trash-1000
https://unix.stackexchange.com/questions/93960/why-is-linuxs-filesystem-designed-as-a-single-directory-tree https://unix.stackexchange.com/questions/93960/why-is-linuxs-filesystem-designed-as-a-single-directory-tree
.. http://www.tmsbackup.com/cms/index.php?id=652 On Linux, flash drives are mounted under ``/media/``
.. http://www.techrepublic.com/blog/the-enterprise-cloud/use-mount-points-if-you-run-out-of-windows-drive-letters/ and are assigned a directory based on their label.
.. https://stackoverflow.com/questions/4652545/windows-what-happens-if-i-finish-drive-letters-they-are-26 If the drive is removed and re-mounted again,
.. https://technet.microsoft.com/en-us/library/cc938934.aspx the path to the drive will be the same as before
.. https://serverfault.com/questions/83165/mount-drive-with-two-drive-letters-instead-of-one unless the partition label has been changed
.. https://support.microsoft.com/en-us/kb/307889 or the drive is manually mounted elsewhere.
http://www.zdnet.com/article/dear-microsoft-its-time-to-stop-using-drive-letters-and-whacks/ File managers on Linux also handle deleting files on flash drives.
When a file on an external drive is put into the trash,
it goes into a user-specific hidden folder on the drive itself,
not the trash in the user's home directory.
.. https://support.microsoft.com/en-us/kb/947021 https://superuser.com/questions/169980/what-is-trash-and-trash-1000
Volume mount points are robust against system changes that occur when devices
are added or removed from a computer.
https://technet.microsoft.com/en-us/library/Cc938934.aspx
.. [#disk_location] .. [#disk_location]