Use of OneKey Recovery with external HDD

I purchased a Y500 ideapad this past summer and, while I love the hardware, I've had some issues with windows 8 losing its mind and as a result I have become much more concerned with using OneKey Recovery and keeping things backed up in general.

I already had a Seagate 1Tb external hard drive which I had been using to store my backup on, but, given the volume of data I'm backing up, I was only able to maintain a single backup on the hard drive. Recently, I purchased a 2 Tb Seagate "Expansion" external harddrive. Excited at the prospect of being able to maintain an older state of my computer which I know to be clean along with a more recent state that would contain up to date files, programs, etc, I set my computer up to back up to the new drive the night it arrived. As normal, I selected the location of the backup, (on the expansion drive, in a folder named with the date and "Backup"). After clicking next, I was brought to the last screen before actually beginning the backup only to find the "Start" option greyed out and unclickable. I tried plugging in my 1Tb drive and it was able to begin a backup with no issues, yet the 2Tb drive, which i verified can store files with no issues by standard means, can't begin to backup.

I have verified that both HDDs are formatted in the same manner (NTFS) and both are working without issue, beyond that with OneKey and the 2Tb drive.

Is there a known issue/incompatibility with 2 Tb drives and the OKR software?
If there is a known issue, is there a fix? or is the best thing I can do to find alternative software to back up my computer to my new HDD?

Thanks in advance.

 

I would try reformatting the drive using Windows. Could be something funky with the filesystem on the new drive (there are different versions of NTFS).

If that doesn't work, you could try wiping the partition info and repartitioning + reformatting the drive using standard cluster and sector sizes. I know drives larger than 2TB are formatted using 4K sectors, while 2TB and less should be using the old 512 size. But who knows, maybe Seagate formats all their drives with 4K now, and maybe OKR doesn't like it.

 

No luck with either. I tried playing around with various combinations of partition sizes, sector sizes etc. I appreciate the suggestions, shame it didn't work.

For reference, this is what I get when I try to backup to the expansion drive ( G: ).

 

I know this is an old post but did you ever figure this out? I'm running into the same problem with a 4TB seagate expansion drive.