Disable Windows file cache for DVD drive
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I have a weird problem with Windows 10 caching data from a dvd drive. The drive is a HL-DT-ST DVDRAM GUD0N (DVD RW).
I want to read a disc "A". After that I eject the disc using the drive button and insert disc "B". The label and structure of both discs are identical, but the file content is not. After inserting disc "B" into the drive, and open a file from the disc I will still get the content from disc "A". I can reproduce this very well.
The filesize is ~30MB, but the DVD drive has only 2MB internal cache, so it looks like Window is caching the data.
Example:
Disc "A" => label:"disc", files:"test.txt", content of test.txt = "Disc A"
Disc "B" => label:"disc", files:"test.txt", content of test.txt = "Disc B"
After removing "A" and inserting "B" I can still open test.txt and the content will still be "Disc A". I'm using different editors to read that file - there is no caching in the reader application.
It looks like Windows is "thinking" that it's the same disc, because of the same disc label and filesystem structure/filenames?
The files I'm reading are >30MB big. You can easily say from the reading time if the file is taken from cache ~0 seconds or from disc ~5 seconds.
How can I disable the caching of a CD/DVD drive in Windows 10?
Thanks for any hints on that.
Regards,
grailsfan
windows caching cd dvd
asked Nov 7 at 12:22
grailsfan
132
add a comment |
up vote
-1
down vote
favorite
I have a weird problem with Windows 10 caching data from a dvd drive. The drive is a HL-DT-ST DVDRAM GUD0N (DVD RW).
I want to read a disc "A". After that I eject the disc using the drive button and insert disc "B". The label and structure of both discs are identical, but the file content is not. After inserting disc "B" into the drive, and open a file from the disc I will still get the content from disc "A". I can reproduce this very well.
The filesize is ~30MB, but the DVD drive has only 2MB internal cache, so it looks like Window is caching the data.
Example:
Disc "A" => label:"disc", files:"test.txt", content of test.txt = "Disc A"
Disc "B" => label:"disc", files:"test.txt", content of test.txt = "Disc B"
After removing "A" and inserting "B" I can still open test.txt and the content will still be "Disc A". I'm using different editors to read that file - there is no caching in the reader application.
It looks like Windows is "thinking" that it's the same disc, because of the same disc label and filesystem structure/filenames?
The files I'm reading are >30MB big. You can easily say from the reading time if the file is taken from cache ~0 seconds or from disc ~5 seconds.
How can I disable the caching of a CD/DVD drive in Windows 10?
Thanks for any hints on that.
Regards,
grailsfan
windows caching cd dvd
asked Nov 7 at 12:22
grailsfan
132
I found a similar problem described in MSDN forum: social.msdn.microsoft.com/Forums/windowsdesktop/en-US/… "Windows has the concept of Remount. If the Volume label and the Volume Serial number are the same, Windows assumes that the disc is the same disc" CD1 Label: test VolumeSerienNummer: 24FF-1B37 CD2 Label: test VolumeSerienNummer: 1E02-1A5F Why doesn't Windows recognize that this is a different discs?
– grailsfan
Nov 9 at 10:05
add a comment |
up vote
-1
down vote
favorite
up vote
-1
down vote
favorite
I have a weird problem with Windows 10 caching data from a dvd drive. The drive is a HL-DT-ST DVDRAM GUD0N (DVD RW).
I want to read a disc "A". After that I eject the disc using the drive button and insert disc "B". The label and structure of both discs are identical, but the file content is not. After inserting disc "B" into the drive, and open a file from the disc I will still get the content from disc "A". I can reproduce this very well.
The filesize is ~30MB, but the DVD drive has only 2MB internal cache, so it looks like Window is caching the data.
Example:
Disc "A" => label:"disc", files:"test.txt", content of test.txt = "Disc A"
Disc "B" => label:"disc", files:"test.txt", content of test.txt = "Disc B"
After removing "A" and inserting "B" I can still open test.txt and the content will still be "Disc A". I'm using different editors to read that file - there is no caching in the reader application.
It looks like Windows is "thinking" that it's the same disc, because of the same disc label and filesystem structure/filenames?
The files I'm reading are >30MB big. You can easily say from the reading time if the file is taken from cache ~0 seconds or from disc ~5 seconds.
How can I disable the caching of a CD/DVD drive in Windows 10?
Thanks for any hints on that.
Regards,
grailsfan
windows caching cd dvd
asked Nov 7 at 12:22
grailsfan
132
I have a weird problem with Windows 10 caching data from a dvd drive. The drive is a HL-DT-ST DVDRAM GUD0N (DVD RW).
I want to read a disc "A". After that I eject the disc using the drive button and insert disc "B". The label and structure of both discs are identical, but the file content is not. After inserting disc "B" into the drive, and open a file from the disc I will still get the content from disc "A". I can reproduce this very well.
The filesize is ~30MB, but the DVD drive has only 2MB internal cache, so it looks like Window is caching the data.
Example:
Disc "A" => label:"disc", files:"test.txt", content of test.txt = "Disc A"
Disc "B" => label:"disc", files:"test.txt", content of test.txt = "Disc B"
After removing "A" and inserting "B" I can still open test.txt and the content will still be "Disc A". I'm using different editors to read that file - there is no caching in the reader application.
It looks like Windows is "thinking" that it's the same disc, because of the same disc label and filesystem structure/filenames?
The files I'm reading are >30MB big. You can easily say from the reading time if the file is taken from cache ~0 seconds or from disc ~5 seconds.
How can I disable the caching of a CD/DVD drive in Windows 10?
Thanks for any hints on that.
Regards,
grailsfan
windows caching cd dvd
windows caching cd dvd
asked Nov 7 at 12:22
grailsfan
132
asked Nov 7 at 12:22
grailsfan
132
asked Nov 7 at 12:22
grailsfan
132
asked Nov 7 at 12:22
grailsfan
132
asked Nov 7 at 12:22
grailsfan
132
132
I found a similar problem described in MSDN forum: social.msdn.microsoft.com/Forums/windowsdesktop/en-US/… "Windows has the concept of Remount. If the Volume label and the Volume Serial number are the same, Windows assumes that the disc is the same disc" CD1 Label: test VolumeSerienNummer: 24FF-1B37 CD2 Label: test VolumeSerienNummer: 1E02-1A5F Why doesn't Windows recognize that this is a different discs?
– grailsfan
Nov 9 at 10:05
add a comment |
I found a similar problem described in MSDN forum: social.msdn.microsoft.com/Forums/windowsdesktop/en-US/… "Windows has the concept of Remount. If the Volume label and the Volume Serial number are the same, Windows assumes that the disc is the same disc" CD1 Label: test VolumeSerienNummer: 24FF-1B37 CD2 Label: test VolumeSerienNummer: 1E02-1A5F Why doesn't Windows recognize that this is a different discs?
– grailsfan
Nov 9 at 10:05
I found a similar problem described in MSDN forum: social.msdn.microsoft.com/Forums/windowsdesktop/en-US/… "Windows has the concept of Remount. If the Volume label and the Volume Serial number are the same, Windows assumes that the disc is the same disc" CD1 Label: test VolumeSerienNummer: 24FF-1B37 CD2 Label: test VolumeSerienNummer: 1E02-1A5F Why doesn't Windows recognize that this is a different discs?
– grailsfan
Nov 9 at 10:05
I found a similar problem described in MSDN forum: social.msdn.microsoft.com/Forums/windowsdesktop/en-US/… "Windows has the concept of Remount. If the Volume label and the Volume Serial number are the same, Windows assumes that the disc is the same disc" CD1 Label: test VolumeSerienNummer: 24FF-1B37 CD2 Label: test VolumeSerienNummer: 1E02-1A5F Why doesn't Windows recognize that this is a different discs?
– grailsfan
Nov 9 at 10:05
add a comment |
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I found a similar problem described in MSDN forum: social.msdn.microsoft.com/Forums/windowsdesktop/en-US/… "Windows has the concept of Remount. If the Volume label and the Volume Serial number are the same, Windows assumes that the disc is the same disc" CD1 Label: test VolumeSerienNummer: 24FF-1B37 CD2 Label: test VolumeSerienNummer: 1E02-1A5F Why doesn't Windows recognize that this is a different discs?
– grailsfan
Nov 9 at 10:05