Need a help Reg Filesystem!!!

OSR_Community_User · November 20, 2001, 7:38am

Hi,

I am working on a proprietary filesystem designed for a storage device on similar lines on NTFS 4. This Filesystem runs on Win NT
and 2000. Currently, we are having a problem while trying to edit and save a WORD file on this device. This device is exposed as a
drive letter say, for instance X: This X: behaves just like any other drive on the sytem. I am trying to access a Word file on this X:
from a NT workstation by mapping as a shared drive. All administrator privileges are provided at the client (NT workstation) and at
the server (2000) end. When I try to copy a new file, I can do it. However, when I try to access an existing file, edit and save, the
save fails. The error message:
“Word cannot complete the save due to a file permission error”.

The problem occurs only when we edit the file. (Modify permissions are set for the file ).

The peculiarity is the different scenarios that I see:

Scenario 1:

Client - NT workstation
Application - Word 97
Server - Windows 2000
FS on server - Proprietary FS
Result - works

Scenario 2

Client - NT workstation
Application - Word 2000
Server - Windows 2000
FS on server - Proprietary FS
Result - Fails

Scenario 3

Client - 2000
Application - Word 97/2000
Server - Windows 2000
FS on server - Proprietary FS
Result - works

All the three scnarios works when the filesystem is NTFS (if the mapped drive is C:, say).

Your feedback/help shall be highly appreciated.

Regards

Sudha

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OSR_Community_User · November 20, 2001, 9:33am

This article “Windows NT Contains File System Tunneling Capabilities”
Q172190, is located in Microsoft MSDN info base. MS Office is using this
tunneling “feature”. You can check it and see if it helps you to get things
clearer.
WBR Primoz

-----Original Message-----
From: sudha subramanian [mailto:xxxxx@yahoo.com]
Sent: Tuesday, November 20, 2001 1:35 PM
To: File Systems Developers
Subject: [ntfsd] Need a help Reg Filesystem!!!

Hi,
I am working on a proprietary filesystem designed for a storage device on
similar lines on NTFS 4. This Filesystem runs on Win NT
and 2000. Currently, we are having a problem while trying to edit and save a
WORD file on this device. This device is exposed as a
drive letter say, for instance X: This X: behaves just like any other drive
on the sytem. I am trying to access a Word file on this X:
from a NT workstation by mapping as a shared drive. All administrator
privileges are provided at the client (NT workstation) and at
the server (2000) end. When I try to copy a new file, I can do it. However,
when I try to access an existing file, edit and save, the
save fails. The error message:
“Word cannot complete the save due to a file permission error”.
The problem occurs only when we edit the file. (Modify permissions are set
for the file ).
The peculiarity is the different scenarios that I see:
Scenario 1:
Client - NT workstation
Application - Word 97
Server - Windows 2000
FS on server - Proprietary FS
Result - works
Scenario 2
Client - NT workstation
Application - Word 2000
Server - Windows 2000
FS on server - Proprietary FS
Result - Fails
Scenario 3
Client - 2000
Application - Word 97/2000
Server - Windows 2000
FS on server - Proprietary FS
Result - works
All the three scnarios works when the filesystem is NTFS (if the mapped
drive is C:, say).
Your feedback/help shall be highly appreciated.
Regards
Sudha

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OSR_Community_User · November 20, 2001, 6:31pm

Word has the peculiar habit of NOT modifying a file when you edit it. Instead it creates a new file, writes the contents of the old
file and it’s changes into this new file, deletes the old file, then renames the new file. It’s behavior that’s been driving file
system developers nuts for years.

You need not just Modify permissions on the file, you also need create permissions in the directory.

Oh, by the way, the ACL on this file (should your file system implement ACLs) will be destroyed because Word does NOT copy the ACL,
but instead lets it inherit from the parent directory when the new file is created. It’s neat neat how editing a file changes the
owner of that file, isn’t it?

ERX

-----Original Message-----
From: xxxxx@lists.osr.com [mailto:xxxxx@lists.osr.com]On Behalf Of sudha subramanian
Sent: Tuesday, November 20, 2001 7:35 AM
To: File Systems Developers
Subject: [ntfsd] Need a help Reg Filesystem!!!

Hi,

I am working on a proprietary filesystem designed for a storage device on similar lines on NTFS 4. This Filesystem runs on Win NT
and 2000. Currently, we are having a problem while trying to edit and save a WORD file on this device. This device is exposed as a
drive letter say, for instance X: This X: behaves just like any other drive on the sytem. I am trying to access a Word file on
this X:
from a NT workstation by mapping as a shared drive. All administrator privileges are provided at the client (NT workstation) and
at
the server (2000) end. When I try to copy a new file, I can do it. However, when I try to access an existing file, edit and save,
the
save fails. The error message:
“Word cannot complete the save due to a file permission error”.