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The Graveyard - Products No Longer Supported => D-Link Storage => DNS-323 => Topic started by: aaronjessop on June 29, 2012, 02:56:36 AM

Title: Non recognised volume after removal and reinsertion of same hard drives
Post by: aaronjessop on June 29, 2012, 02:56:36 AM
Dear Support D Link Forums

Please can someone help

I have removed the two hard drives from my D Link 323 NAS, while the NAS was switched off, and unplugged.
I did this to maintain the inside of the NAS enclosure and visually check Hard Drives.

I stupidly put one of the hard drives into another NAS enclosure to test the other NAS enclosure. This was foolish, as it didn't format the drive (thankfully) but it did do something to the way it gets read by my original D Link 323 enclosure.

I then took both original hard drives and reinserted them into the original NAS enclosure and I made sure that the disks were in the original drive bays.
The enclosure powers up and the hard drives are seen correctly in the D Link web menu. Ie, it shoes the name, make, model, size of the hard drives in the two bays.

The drives were originally formatted together so that the two disks make up one drive volume

But, the NAS enclosure does not allow me to connect to this volume which was originally created
It was a volume named X Drive, and now I cannot connect to it.
I believe the volume is still on the hard drives, but i cant access it.

Please can someone brilliant explain how to fix this problem

Title: Re: Non recognised volume after removal and reinsertion of same hard drives
Post by: dosborne on June 29, 2012, 06:01:56 AM
If the drive was modified whan you installed it into another enclosure then it is unlikely that you will be able to recover. Creating a single volume across multiple drives is extremely risky in any case since a single drive failure will result in all data being lost.
Title: Re: Non recognised volume after removal and reinsertion of same hard drives
Post by: JavaLawyer on June 29, 2012, 06:06:48 AM
Your post implies that you created a RAID-0 array. If this is true, then what the last poster (Dosborne) stated holds true. To be sure, do you recall how you configured the two HDDs in your DNS-323?
Title: Re: Non recognised volume after removal and reinsertion of same hard drives
Post by: fordem on June 29, 2012, 11:37:54 AM
Your post implies that you created a RAID-0 array. If this is true, then what the last poster (Dosborne) stated holds true. To be sure, do you recall how you configured the two HDDs in your DNS-323?

I can't agree with that ...

The drives were originally formatted together so that the two disks make up one drive volume

That statement could be applicable to RAID0, RAID1 or JBOD - assuming that both drives were the same size, and that the entire capacity was utilized to create a single volume.

aaron - you really do need to know what drive configuration you used to move forward and your best bet, if it was RAID0 or JBOD, and you value the data, is to send the drives out to a data recovery specialist.

If it was a RAID1 configuration, and you know which drive was placed in the other NAS enclosure, remove that drive from the NAS and power it on, and you should be able to access the data on the remaining drive.
Title: Re: Non recognised volume after removal and reinsertion of same hard drives
Post by: ivan on June 29, 2012, 12:21:42 PM
I would add to what fordem says, IF it was RAID1 and you are able to read the data on the one disk then you should make a backup of that data before you do anything else.

Again, assuming it was RAID1 and you have made a backup take the drive you messed up, put it in a USB caddy, or use an USB adapter, clear the drive using something like DFSee (http://www.dfsee.com/ available for OS/2, DOS, Windows, Mac and Linux) newmbr.  This will allow the DNS-323 to see it as a new drive.  It should allow you to format it and restore the RAID array.