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USB Hard disk accessed through File Server box; cannot save to the network drive, No Write access?

I have attached a USB external hard drive ( Seagate FreeAgent) to an Ovislink MU5000 FileServer - and it duly appears as a network resource when accessed from the network. However, I find that although they can access all the files, users cannot save or write on to the external hard drive from the network, although I have set all the Samba session settings to be Read/Write for all users in the OvisLink web-based admin panel.

I see that when I connect a USB flash stick to the OvisLink fileserver - I am able to fully access it including write access - so am mystified as to why it does not work with the Seagate FreeAgent.

Please assist.
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techcrude
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techcrude
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2 Solutions
 
pistolslapperCommented:
When your working on the server directly can you write to the drive?
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techcrudeAuthor Commented:
No,  I'm assuiming you mean the fileserver - all I have is a web based admin panel for the File Server through which I can modify settings - it does not allow me access to the Seagate Freeagent - however the FreeAgent is visible through the network, as a networked computer. No write access through!
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MysidiaCommented:
What type of filesystem is on the drive?   FAT?  NTFS?

Did you setup file permissions on the formatted filesystem of the USB drive before plugging it into the file server?

Perhaps incorrect permissions on the drive itself are restricting write access, and the file server's software is enforcing them.
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techcrudeAuthor Commented:
Ok - that appears plausible - any ideas as to how I can set up permissions on the USB drive?

I did enable sharing of specific folders by plugging the FreeAgent USB drive to my laptop - but I understand that sharing will only work while it is attached to my laptop?
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techcrudeAuthor Commented:
I believe it is NTFS filesystem
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MysidiaCommented:
Plug it into a Windows XP Pro machine, select the root folder

Right click > Properties > Security
Add a permission for write access by everyone.

In  Tools > Folder Options, you need to uncheck the very last box that says "Use simple file permissions" or  "Use simple file sharing"   (if you haven't already), otherwise the Security tab is hidden.

This doesn't appear on Windows XP Home,  if you have that, the only way to set NTFS permissions like you want is to use the CACLS  or XCACLS command

i.e.  To grant user 'Everyone' full control

CACLS  D:  /E /G Everyone:F



Add the /T   option to make it recursive
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techcrudeAuthor Commented:
Tried that - didn't work I'm afraid!

Wouldn't that have just changed the permissions when the USB drive connected to THAT computer only?
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techcrudeAuthor Commented:
Plugging a hard rive into a Windows PC and changing permisions doe not work - I reformatted it in FAT32 format - which works for all flavours of Linux. I created partitions of 32G each to avoid the inherent instability in the FAT32 sytem. Work well now, except that ome partitions suddenly turn Read Only... occasionally.
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MysidiaCommented:
NTFS file permissions are stored on the disk itself;  some users are specific to the system (they contain the system SID),  some users like the "Everyone" user, are well-known SIDs,  and should apply no matter what system the disk is hooked to.
Most low-end NASes don't even both to implement NTFS permissions though.

It sounds like a possible bug in the appliance to me, or possibly limited support for NTFS, and might be worthy of calling product support about, since it's happening transiently or randomly even now on FAT32 filesystems.

If it's supposed to fully work with NTFS,  having to regress to FAT32 seems a little disappointing too.

Had you tried creating multiple NTFS partitions also, and check for availability firmware upgrades to the file server box...
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