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File system on external HDD not recognised by ATI

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I have checked the forum for answers to this question but cannot find any mention of it.

I use an external USB 2.0 HDD for ATI nonstop backups and everything has worked fine for a long time. Recently, nonstop backup has been stopping shortly after starting and the error message says that ATI cannot recognise the file system on the external HDD. It is formated as NTFS and the OS is Windows 7. The computer has a quad core processor and has 6 Gb RAM

I have reformated the drive but the error is still there. I have no trouble saving documents to and reading from the drive so there are no recognition problems in Windows 7. I would like to continue to use this drive for nonstop backup so can anyone throw any light on this issue?

I would greatly appreciate any help.

Many thanks,

John

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Hi John,

I'm a very new Acronis user but will attempt to help with your question. I have the same Win 7 64 bit Home Premium, 6 GB RAM, 4 core ADM, 1.50 GHz.
I am not knowledgeable on non-stop backups; however, I did discover something interesting about external hard drives. Perhaps this information may help with your trouble.

I purchased a new USB 2.0 1T external drive which I needed to reformat because it was set up for MAC OS. That went fine. While reading Acronis resource documentation, one item stated:

"To use the space on a hard disk, it must be partitioned. Partitioning is the process of dividing the hard disk's space into logical divisions. Each logical division may function as a separate disk with an assigned drive letter, its own file system, etc. Even if you do not intend to divide your hard disk into logical divisions it must be partitioned so that the operating system knows that it is intended to be left in one piece."

This partition also must use a NTSF file system, you need to assign a partition letter and label, make partition PRIMARY, and mark as active.

Now this was important for me and I'm wondering if this also applies to you. I have been having trouble creating a successful first Full Backup
due to lots of mistakes on my part; however, NOT partitioning my new hard drive may also be creating problems. so that is what I'm going to do
and feel this step may help in your troubles too. I was able to transfer any file to this new external hard drive, read and retrieve files, even ones created by any number of Backup Schemes I created (but did wrong) WITHOUT partitioning. Problem was no file be retrieved with any rescue disc. In addition to all the goofs I made in the beginning, I'm reasonably certain not partitioning this new hard drive is creating a lot of trouble for me, and possibly you.

Please refer to ATiH2012_userguide_en_US_PDF, page 219, section 8.5.3 [http://forum.acronis.com/forum/26372] for more information about this.

You MUST use CAUTION in the process of creating this partition. All existing data may be erased during this operation. Windows Partition Magic Pro MIGHT prevent data loss. Acronis Disc Director WILL prevent data deletion, but is another software purchase well worth the money if you have a lot of sensitive data to protect.

hope I'm not off track with this comment and it is helpful. Lyn

John Earle:
Run chkds, selecting full testing and to repair errors. Also download a test utility from your drive manufacturer and run that.

StrikingEagle:
That caveat about partitioning is really like the standard warnings for any electrical appliance, re. don't drop it in water, don't use with frayed cord, etc. It's just super basic, general boilerplate advice. Sure, all disks must have at least one partition to be readable. Since John has been using his NTFS drive, it clearly must have at least one partition so that is not an issue.