NTFS is the primary file system of all modern versions of Windows.

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241
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15answers
161k views

How do you find what process is holding a file open in Windows?

One thing that annoys me no end about Windows is the old "sharing violation" error. Often you can't identify what's holding it open. Usually it's just an editor or explorer just pointing to a relevant ...
32
votes
20answers
13k views

Storing a million images in the filesystem

I have a project that will generate a huge number of images. Around 1,000,000 for start. They are not large images so I will store them all on one machine at start. How do you recommended on ...
26
votes
7answers
2k views

What's the maximum theoretical data transfer throughput of NTFS?

Recently I was at a local user group meeting where the presenter noted that the maximum throughput of the NTFS IO stack was 1 GBps. He substantiated his claim by simultaneously copying two large files ...
22
votes
10answers
67k views

How to take ownership of files from the command line?

Every so often I run into a file that I need to take ownership of. I normally use cacls for changing ntfs permissions, but it doesn't seem to do ownership. Under *nix I would run something like ...
18
votes
7answers
16k views

How to workaround the NTFS Move/Copy design flaw?

As anyone that has dealt with file server permissions is aware, NTFS has an interesting design feature/flaw known as the Move/Copy problem. As explained in this MS KB article, the permissions for a ...
15
votes
1answer
3k views

From bad sector to “damaged file” - did it for Linux/ext3, can I do it for Windows/NTFS?

When a SMART check on a disk reports a bad sector, it is important to be able to identify the file that has the bad sector - and restore it from backups. Below, I show how I did this for my Linux/ext3 ...
14
votes
13answers
216k views

Error 0x80070570: How to delete corrupted and unreadable file?

On my system partition I have a folder which cannot be deleted. This folder has been created by restoring files from an Acronis TrueImage backup. The error message says: Error 0x80070570: The ...
11
votes
3answers
407 views

What are possible drawbacks of an IIS 7 site having an NTFS junction as a web root?

I am trying to come up with a way to deploy ASP.NET code with as little site disturbance as possible. One thought was to set up the site to be served from an NTFS junction c:\www\example.com where ...
10
votes
8answers
716 views

Crashed Hard Drive Data Retrieval

I recently had a laptop hard drive crash on me and am trying to rescue some of the data on the original drive. As such, I've extracted my failed hard drive and installed it in a USB enclosure. I've ...
10
votes
2answers
1k views

Is it good practice to use NTFS Compression on IIS Log folders?

Is it a good practice to use NTFS Compression on a IIS Log folders and files? I was able to go down from 20GB to 7GB by doing this. The IIS logs are per day, and have an average size of 20MB but some ...
9
votes
8answers
18k views

Flash Drives - should be formatted NTFS?

Should Flash Drives be formatted NTFS? What are the Pros & Cons of doing so?
9
votes
8answers
4k views

Is this a recommended/valid approach for file server permissions?

File servers are a fact of life in IT and I'm curious if there are any generally accepted practices (I hesitate to use the word "best" here) for how you create groups and apply permissions for ...
8
votes
2answers
936 views

How can I split a drive image created with 'dd' into separate files for each partition?

I created an image of a failing drive with: dd if=/dev/sde of=/mnt/image001.dd The drive had only two partitions: Device Boot Start End Blocks Id System /dev/sde1 * ...
7
votes
6answers
7k views

Install GRUB on NTFS

I would like to install 2 completely independent instances of Windows XP (no data should be shared) in my computer within 2 different primary partitions. I know that grub can handle booting them ...
7
votes
4answers
7k views

NTFS Folder has no owner, no permissions, can't be deleted

I have a folder a 2003 member server which can't be deleted. Nothing has any permissions (domain admin and running up a cmd prompt as "nt authority\system" using psexec) - always "access denied". ...
7
votes
3answers
1k views

Are there any programs that log all activity on a Windows 2003 file share?

I'm looking for a simple way to log when a file/folder has been deleted or moved. I'm sort of surprised there doesn't seem to be a way within Windows to do this. I see there's several programs out ...
7
votes
1answer
288 views

Why does chkdsk take a long time on one particular index?

I have a large set of data (about nine million files of various sizes and types; mostly student home directories) and when I run chkdsk on the volume it spends a long time on a particular index. By ...
6
votes
5answers
28k views

How do I take ownership of a folder when access is denied and the security tab is missing?

I have a Windows 2003 Standard x64 Server with SP2. After deleting a large number of folders from a folder, the OS is reporting "Access Denied" on any attempt to read or manipulate the folder. When ...
6
votes
4answers
4k views

Configuring NTFS file system for performance

We have an application that is planning to store around 1.1TB of XML files which average 8.5kb in size. These represent a rolling 18 months of data, with around 200,000 new files being created every ...
6
votes
5answers
9k views

Resetting NTFS Permissions Disk Wide

Someone messed up majorly in setting permissions on an NTFS drive and I'm looking at a way to reset all permissions to default. The OS will be reinstalled but I'm trying to salvage data from their ...
6
votes
2answers
2k views

How do you disable the “last accessed” attribute on NTFS/Windows?

Inspired by this answer, I realize I have no idea how to disable the last accessed attribute in Windows to increase performance. If you can, how? I know in Linux you can mount the partition with the ...
6
votes
1answer
1k views

I have a 21TB array but only 16TB is visible from Windows

CONTROLLER Raid Controller: 3Ware 9650SE-24M8 Disks: 21 x 1TB RAID5 Stripe 64KB WINDOWS OS: Windows Server 2003 SP2 32x Disk: Dynamic 19557.44GB Volume: Capacity 15832.19GB I guess my array ...
6
votes
3answers
8k views

Unable to restore from Shadow Copy due to long filename

We have shadow copy enabled on our Windows SBS 2008 server. Attempting to restore a file from shadow copy gave the following error- The source file name(s) are larger than is supported by the file ...
6
votes
4answers
3k views

Does Windows have a checksumming filesystem like ZFS or BtrFS?

I use ZFS and love it. I know that BtrFS also supports checksumming. I've been told that checksumming is available in Windows 2008, but I've been unable to verify this. Are there checksumming ...
6
votes
1answer
231 views

Evaluating current ACEs on NTFS ACLs with PowerShell

We have a document management system that has million of files on a NTFS file system accessed through a network share. A single service account needs full permission to all of these files and the ...
6
votes
3answers
161 views

How bad is it to use a virtual file system with VMWare?

IT is running a series of VMs that we'd like to see optimized further: if the VMs' are Windows XP, storing their NTFS images out to the virtual disk (ext3) provided by Linux/VMWare, how much of a hit ...
6
votes
1answer
501 views

Set windows permissions to allow modify, but not execute

Is it possible to set permissions on a folder in Windows (Server 2003 64bit) so that an account can write and modify, but not execute? If I set modify permissions, windows seems to insist I also set ...
5
votes
3answers
5k views

How can I use NTFS and iSCSI and not corrupt my SAN?

I know you can't use multiples NTFS machines/servers with the same SAN iSCSI target without corruption. I have multiple servers, however, that need access to the same data on the same SAN. I do not ...
5
votes
5answers
1k views

Protect files on NTFS volume from Domain Administrators

We're a small company with a 2008R2 domain on which we have a file server with several shared volumes. We have a number of IT staff in the domain administrators role, because effectively we're all on ...
5
votes
9answers
50k views

How to resize the primary partition in Windows Server 2008?

We have a Windows Server 2008 with C: and D: drives. I freed up 30 GB from the D: drive using the "shrink volume" option and that needs to be added to C: drive. But the extend volume on the C: drive ...
5
votes
4answers
3k views

How to restore missing space in NTFS file systems

I have a 40 GB USB hard drive formatted with NTFS on a PC running Windows XP Pro, SP3. I am trying to free as much space as possible. Windows Explorer tells me that I have about 200 MB of files on ...
5
votes
5answers
12k views

Best file system for media server? [closed]

I need some advice on what file system to use for my new 1TB media server hosted on my Linux box. I have a few requirements: Needs to be shareable to a different Windows machine (not dual booting, ...
5
votes
6answers
2k views

There is any Windows logger tool which would track file manipulation?

I want to be able to know who and when touched a file. My last question showed that I can't rely on NTFS.
5
votes
14answers
4k views

How do you copy huge (millions) directory trees in Windows?

I have a NTFS partition that has a folder that holds over 5 million directories. Each directory contains more directories and then files. I am moving to SSD and I need to copy all these data over to ...
5
votes
3answers
7k views

Does using a large NTFS disk allocation size for a file share make a difference?

I'm formatting a drive using NTFS which will be dedicated as a file share for users to centrally store their files. The files will likely be large (10's to 100's of megabytes). Someone suggested ...
5
votes
2answers
19k views

Why can't I browse my D: drive, even if I'm in the Administrators group?

My fileserver running Windows Server 2008 has two logical drives; the C: drive contains all of the system and application data, and the D: drive contains all of the business data. There are several ...
5
votes
3answers
907 views

How to delete a file with a space at end of the name and hidden attributes?

We have a hidden file with a space at the end of the file name. Usually, I take ownership of the file, then use a command line rename with the 8.3 (dir/x) file name. However, rename doesn't ...
5
votes
5answers
7k views

Security: Unable to display current owner

I have a user with local administrative rights on their Windows 7 64-bit box. They extracted a file from a zip file they downloaded with the Zip shell extension to their desktop on a non-encrypted or ...
5
votes
1answer
1k views

Why is ext3 so slow to delete large files?

I have a server, which makes an incremental backup of a system every night. Now on saturdays, there is a full backup. But after the full backup has finished, a script kicks in, that deletes the ...
5
votes
4answers
7k views

Window 256 characters path name limitation

after a long research, I finally found out that pathnames cannot be longer than 256 characters even in the latest Microsoft Windows 7. I really don't get it why there is such a stupid limitation, ...
5
votes
1answer
551 views

In NTFS, what's the difference between sector size, block size and cluster size?

For example, I have a volume with the following info extracted from ntfsinfo: $ sudo ntfsinfo -m /dev/sdb1 Volume Information Name of device: /dev/sdb1 Device state: 11 Volume ...
5
votes
3answers
332 views

How to see if/when a long file copy operation actually completed?

Having to move several very large files (VHDs) between two servers, I launched the file copy operation using Windows Explorer in a Remote Desktop session, and then closed the session without logging ...
5
votes
1answer
96 views

How do NTFS permissions become improperly ordered?

I have some files on a network share and they were read-only accessible to users. I had set the permissions to provide full rights to all domain users - when I checked the main folder, this was still ...
5
votes
2answers
2k views

How to prevent Domain Admins from being denied access to network folders?

As I understand it, if a user creates a folder they become the owner and can control NTFS permissions including removal of inherited permissions granted to Domain Admins. What is the best approach to ...
5
votes
1answer
167 views

Permissions when copying/moving on the same volume on a Windows 2008 R2 server

Does http://support.microsoft.com/kb/310316 still apply to 2008 R2? I see other questions here on SF like: How to workaround the NTFS Move/Copy design flaw? that discuss the issue, but I was ...
4
votes
2answers
491 views

How to convert FAT32 disk to NTFS without losing data

Please suggest How to convert FAT32 disk to NTFS without losing data
4
votes
5answers
11k views

Is NTFS 16 TB volume size limit “real”?

I have a couple of raid enclosures, with a total of about 21 TB usable (RAID5) in a W2K8 environment. I would like just a single virtual volume spanning the physical devices, but it is my ...
4
votes
5answers
672 views

NTFS: Deny all permissions for all files, except where explicitly added

I'm running a sandboxed application as a local user. I now want to deny almost all file system permissions for this user to secure the system, except for a few working folders and some system DLLs ...
4
votes
2answers
5k views

file ownership for new files with administrator - why is it giving ownership to the group administrators?

I am logged in as administrator and I right click on a folder and then go to properties, then the security tab, then advanced, then the owner tab. I am not on a domain. I see that the folder has a ...
4
votes
2answers
524 views

Can't access NTFS file after BSOD. Corruption undetectable by chkdsk?

We have several files on a Windows server that show up in directory listings but can't be accessed. I can take ownership of the files, and the ACL shows that Everyone has read/write/execute access; ...