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Since: Oct 01, 2007 Posts: 2
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(Msg. 1) Posted: Mon Oct 01, 2007 4:09 pm
Post subject: NTFS question - max number of files on root of C:? Archived from groups: microsoft>public>win2000>file_system (more info?)
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I always thought that NTFS did away with limitations on the number of files
you can have in the root directory. Today I had a user that couldn't boot up
to Win2K, the box just sits there with a blinking cursor before the normal
splash screen has a chance to come up, and I figured the hard drive might
have gotten hosed, so I mounted the drive as a slave (E  in another
computer to see if I could recover any data. When I went to the root of E:
there were exactly 2,048 files there, mostly .csv and .txt files from data
downloads from the past 3 or 4 years, in addition to the normal system
files and app logs. Apparently somebody told this person that this is where
she should put all of her data files. These were all one-off files that
weren't needed anymore so I was able to blow them out and remount the drive
as the master and Win2K boots normally again. The number 2,048 is an exact
multiple of 4 times the 512 limit in FAT... no way this could just be a
coincidence! I Googled this but couldn't find anything that points to a
2,048 file limit on NTFS. Not that this is a big deal or anything that we're
likely to see again, but now I"m really curious. >> Stay informed about: NTFS question - max number of files on root of C:? |
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External

Since: Oct 14, 2005 Posts: 430
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(Msg. 2) Posted: Mon Oct 01, 2007 5:45 pm
Post subject: Re: NTFS question - max number of files on root of C:? [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)
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"keith w" <not DeleteThis @this.net> wrote in message
news:CJudne3rA6NmzpzanZ2dnUVZ_rmjnZ2d@giganews.com...
>I always thought that NTFS did away with limitations on the number of files
>you can have in the root directory. Today I had a user that couldn't boot
>up to Win2K, the box just sits there with a blinking cursor before the
>normal splash screen has a chance to come up, and I figured the hard drive
>might have gotten hosed, so I mounted the drive as a slave (E in another
>computer to see if I could recover any data. When I went to the root of E:
>there were exactly 2,048 files there, mostly .csv and .txt files from data
>downloads from the past 3 or 4 years, in addition to the normal system
>files and app logs. Apparently somebody told this person that this is where
>she should put all of her data files. These were all one-off files that
>weren't needed anymore so I was able to blow them out and remount the drive
>as the master and Win2K boots normally again. The number 2,048 is an exact
>multiple of 4 times the 512 limit in FAT... no way this could just be a
>coincidence! I Googled this but couldn't find anything that points to a
>2,048 file limit on NTFS. Not that this is a big deal or anything that
>we're likely to see again, but now I"m really curious.
>
I observe no such limit on my NTFS drive. Why don't you run some
tests yourself? The following command will attempt to create 5000 files:
for /L %a in (1,1,5000) do @echo. > c:\test%a.txt >> Stay informed about: NTFS question - max number of files on root of C:? |
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External

Since: Jun 05, 2004 Posts: 808
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(Msg. 3) Posted: Mon Oct 01, 2007 5:55 pm
Post subject: Re: NTFS question - max number of files on root of C:? [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)
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You can put 4,294,967,295 on an NTFS volume and technically you can
stuff them all in the root folder if you wanted. There is however
instances where having a "large" number of files in the root folder
leads to MFT fragmentation that could lead to an "NTLDR is missing"
error message when you boot the computer so it is not a good idea to
store too many files in the root folder.
http://support.microsoft.com/kb/320397/ According to that article the
problem was resolved with SP4.
The 2,048 files and the fact that it is a multiple of 512 is a
coincidence only. Did you get the computer to boot after you moved the
files? A blinking cursor only at boot time usually means that there is
no active partition or that the active flag was removed (the wrong
partition is active).
John
keith w wrote:
> I always thought that NTFS did away with limitations on the number of files
> you can have in the root directory. Today I had a user that couldn't boot up
> to Win2K, the box just sits there with a blinking cursor before the normal
> splash screen has a chance to come up, and I figured the hard drive might
> have gotten hosed, so I mounted the drive as a slave (E in another
> computer to see if I could recover any data. When I went to the root of E:
> there were exactly 2,048 files there, mostly .csv and .txt files from data
> downloads from the past 3 or 4 years, in addition to the normal system
> files and app logs. Apparently somebody told this person that this is where
> she should put all of her data files. These were all one-off files that
> weren't needed anymore so I was able to blow them out and remount the drive
> as the master and Win2K boots normally again. The number 2,048 is an exact
> multiple of 4 times the 512 limit in FAT... no way this could just be a
> coincidence! I Googled this but couldn't find anything that points to a
> 2,048 file limit on NTFS. Not that this is a big deal or anything that we're
> likely to see again, but now I"m really curious.
>
> >> Stay informed about: NTFS question - max number of files on root of C:? |
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External

Since: Oct 01, 2007 Posts: 2
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(Msg. 4) Posted: Tue Oct 02, 2007 7:16 am
Post subject: Re: NTFS question - max number of files on root of C:? [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)
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yeah, after I deleted the extra files and remounted the drive as master the
computer booted normally. Weird. Just for drill I ran a chkdsk (no problems
found) and defragged the volume. That 2,048 number really caught my eye and
reminded me of the 512 FAT limit. I'm no math major but having worked with
computers since DOS 2 numbers like 512, 1,024, and 2,048 send up all kinds
of red flags.
"John John" <audetweld.TakeThisOut@nbnet.nb.ca> wrote in message
news:uCXba1GBIHA.1184@TK2MSFTNGP04.phx.gbl...
> You can put 4,294,967,295 on an NTFS volume and technically you can stuff
> them all in the root folder if you wanted. There is however instances
> where having a "large" number of files in the root folder leads to MFT
> fragmentation that could lead to an "NTLDR is missing" error message when
> you boot the computer so it is not a good idea to store too many files in
> the root folder. http://support.microsoft.com/kb/320397/ According to
> that article the problem was resolved with SP4.
>
> The 2,048 files and the fact that it is a multiple of 512 is a coincidence
> only. Did you get the computer to boot after you moved the files? A
> blinking cursor only at boot time usually means that there is no active
> partition or that the active flag was removed (the wrong partition is
> active).
>
> John
>
> keith w wrote:
>
>> I always thought that NTFS did away with limitations on the number of
>> files you can have in the root directory. Today I had a user that
>> couldn't boot up to Win2K, the box just sits there with a blinking cursor
>> before the normal splash screen has a chance to come up, and I figured
>> the hard drive might have gotten hosed, so I mounted the drive as a slave
>> (E in another computer to see if I could recover any data. When I went
>> to the root of E: there were exactly 2,048 files there, mostly .csv and
>> .txt files from data downloads from the past 3 or 4 years, in addition
>> to the normal system files and app logs. Apparently somebody told this
>> person that this is where she should put all of her data files. These
>> were all one-off files that weren't needed anymore so I was able to blow
>> them out and remount the drive as the master and Win2K boots normally
>> again. The number 2,048 is an exact multiple of 4 times the 512 limit in
>> FAT... no way this could just be a coincidence! I Googled this but
>> couldn't find anything that points to a 2,048 file limit on NTFS. Not
>> that this is a big deal or anything that we're likely to see again, but
>> now I"m really curious. >> Stay informed about: NTFS question - max number of files on root of C:? |
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External

Since: Oct 14, 2005 Posts: 430
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(Msg. 5) Posted: Tue Oct 02, 2007 4:06 pm
Post subject: Re: NTFS question - max number of files on root of C:? [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)
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Best to run a quick check before jumping to conclusions . . .
"keith w" <not.TakeThisOut@this.net> wrote in message
news:y7WdnbBj7uoYtZ_anZ2dnUVZ_qelnZ2d@giganews.com...
> yeah, after I deleted the extra files and remounted the drive as master
> the computer booted normally. Weird. Just for drill I ran a chkdsk (no
> problems found) and defragged the volume. That 2,048 number really caught
> my eye and reminded me of the 512 FAT limit. I'm no math major but having
> worked with computers since DOS 2 numbers like 512, 1,024, and 2,048 send
> up all kinds of red flags.
>
> "John John" <audetweld.TakeThisOut@nbnet.nb.ca> wrote in message
> news:uCXba1GBIHA.1184@TK2MSFTNGP04.phx.gbl...
>> You can put 4,294,967,295 on an NTFS volume and technically you can stuff
>> them all in the root folder if you wanted. There is however instances
>> where having a "large" number of files in the root folder leads to MFT
>> fragmentation that could lead to an "NTLDR is missing" error message when
>> you boot the computer so it is not a good idea to store too many files in
>> the root folder. http://support.microsoft.com/kb/320397/ According to
>> that article the problem was resolved with SP4.
>>
>> The 2,048 files and the fact that it is a multiple of 512 is a
>> coincidence only. Did you get the computer to boot after you moved the
>> files? A blinking cursor only at boot time usually means that there is
>> no active partition or that the active flag was removed (the wrong
>> partition is active).
>>
>> John
>>
>> keith w wrote:
>>
>>> I always thought that NTFS did away with limitations on the number of
>>> files you can have in the root directory. Today I had a user that
>>> couldn't boot up to Win2K, the box just sits there with a blinking
>>> cursor before the normal splash screen has a chance to come up, and I
>>> figured the hard drive might have gotten hosed, so I mounted the drive
>>> as a slave (E in another computer to see if I could recover any data.
>>> When I went to the root of E: there were exactly 2,048 files there,
>>> mostly .csv and .txt files from data downloads from the past 3 or 4
>>> years, in addition to the normal system files and app logs. Apparently
>>> somebody told this person that this is where she should put all of her
>>> data files. These were all one-off files that weren't needed anymore so
>>> I was able to blow them out and remount the drive as the master and
>>> Win2K boots normally again. The number 2,048 is an exact multiple of 4
>>> times the 512 limit in FAT... no way this could just be a coincidence! I
>>> Googled this but couldn't find anything that points to a 2,048 file
>>> limit on NTFS. Not that this is a big deal or anything that we're likely
>>> to see again, but now I"m really curious.
>
> >> Stay informed about: NTFS question - max number of files on root of C:? |
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