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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.
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
will look for files under the old drive letter,
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/
Both of these problems can be solved using NTFS mount points,
but Windows doesn't use them by default.
There are also other limitations;
for example, the recycle bin doesn't work as expected.
Fortunately, there is a solution: NTFS mount points.
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
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
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
This is related to an inconsistency
of the Windows operating system:
Not all of this behavior is because of backwards compatibility;
some of it is due to a design choice of the Windows operating system:
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,
and looks like a folder when viewed in Windows Explorer,
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,
has a unique root directory
has a unique root directory called ``/``
and mounts drives (including removable media)_
as directories on the filesystem. [#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
as directories under the root. [#disk_location]_
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
.. http://www.techrepublic.com/blog/the-enterprise-cloud/use-mount-points-if-you-run-out-of-windows-drive-letters/
.. https://stackoverflow.com/questions/4652545/windows-what-happens-if-i-finish-drive-letters-they-are-26
.. https://technet.microsoft.com/en-us/library/cc938934.aspx
.. https://serverfault.com/questions/83165/mount-drive-with-two-drive-letters-instead-of-one
.. https://support.microsoft.com/en-us/kb/307889
On Linux, flash drives are mounted under ``/media/``
and are assigned a directory based on their label.
If the drive is removed and re-mounted again,
the path to the drive will be the same as before
unless the partition label has been changed
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
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
https://superuser.com/questions/169980/what-is-trash-and-trash-1000
.. [#disk_location]