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#1 2010-09-13 14:29:52

Willy
Member
Registered: 2008-08-11
Posts: 9

Adding new drive. Wants to format the existing

Hi There,

Today I bought a new 2TB drive to put into the DNS-323 with my 750GB drive. I don't want to run RAID or JBOD or anything special. Just have both drives as standard drives. I think I may have stuffed up. I added the new drive (should have read this forum first) in the 2nd slot and powered it up. I can't quite remember the sequence of events, but I know it came up and wanted to set up RAID. I think I may have started a format on the new drive, but aborted it after 5% because I was worried that maybe the DNS-323 would format the wrong drive. I removed my existing drive and formatted the new one. Now I have re-added the existing drive and it wants to format it! The light for that drive is pink/purple. If I add the old drive by itself it comes up with a screen I haven't seen before asking if I want to set it up as standard, JBOD, RAID0 or RAID1. It says that pressing Next will format it, so I'm definately not gonna do that.

Unfortunately I only use laptops and don't have an external hard drive case, so I can't troubleshoot it from a PC. I'll pick up an external case tomorrow if I have to. Anyone have any ideas of anything I can try out?

Thanks heaps.

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#2 2010-09-14 00:38:18

chriso
Member
Registered: 2009-03-29
Posts: 74

Re: Adding new drive. Wants to format the existing

Once you start a format on a drive you are pretty much screwed.  Aborting it doesn't mean that some of your data is OK to use.  The only way to get at the data at that point is to use some kind of data recovery program.

And yeah the bugs on adding drives are one of the worst possible.  As described you wanted to take your first drive out, put the second in and format it, and then put them back in.

If you put your first drive in alone, and it still wants to format it, well short of a backup or a data recovery program I think your data is gone.

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#3 2010-09-14 14:22:33

Willy
Member
Registered: 2008-08-11
Posts: 9

Re: Adding new drive. Wants to format the existing

Thanks chriso. Today I got a USB caddy and had a look. There are 3 partitions. 2 small ones and 1 big one. I'm using Mac OS X and it will only mount one of the small partitions. It says there is a problem with the others.

Also, I noticed that there are some files on the new hard drive. It seems it may have copied over some files from the old hard drive to the new one. So I'm thinking that it was trying to set up RAID. I remember now that the only option I had was a RAID1 tick box, which I did not tick, so maybe it went and tried to setup RAID0. I've downloaded Ubuntu so I can try and recover this old hard drive.

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#4 2010-09-14 17:54:35

fordem
Member
Registered: 2007-01-26
Posts: 1938

Re: Adding new drive. Wants to format the existing

The only way to setup RAID0 is to manually choose it in the RAID menu, the system won't do it without that.

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#5 2010-09-17 04:04:31

Willy
Member
Registered: 2008-08-11
Posts: 9

Re: Adding new drive. Wants to format the existing

Thanks. I definately didn't choose RAID from the menu. I just inserted the drive and followed the prompts when I started it. I know it didn't give me any options apart from RAID1 which was unticked. Strange...

There are definately some of my files on the new hard drive, which is very strange. I can only see them using the Terminal (Max OSX) they do not show up in Finder (perhaps they are hidden). I'm away with work now, so I'll have to wait a few weeks until I can try to figure out what happened.

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#6 2010-10-06 02:07:11

Willy
Member
Registered: 2008-08-11
Posts: 9

Re: Adding new drive. Wants to format the existing

I thought I would follow up this thread.... As I stated earlier.. I though the new drive had some of my files. I was wrong. I was looking at the wrong mount directory.

The good news is that I've been able to recover my files using Test-Disk. It's currently copying them off my old hard drive (I have in a USB caddy) and on to my new drive in the NAS. Next step.... Set up a good incremental backup :-)

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