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Author Topic: DNS-323 One drive is down- Data Recovery help pls  (Read 219 times)

gg22

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DNS-323 One drive is down- Data Recovery help pls
« on: September 06, 2019, 06:49:33 PM »

Hi guys,

i had used Dlink  DNS 323 a few years. two slots for two 2 T DRIVE.. recently one slot light change from blue to orange. i check admin portal it ask me format this drive.   i thought maybe 2T drive almost 0 free space cause this issue.  i have not any idea about it now. it used to work fine. the other 2T slot is fine with blue light and everything ok. 

anyone can help me to get this back normal.. lots of important things on this 2 T drive.

please . help. thanks very much
« Last Edit: September 08, 2019, 12:55:59 PM by gg22 »
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ivan

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Re: DNS-323 One drive is down- Data Recovery help pls
« Reply #1 on: September 11, 2019, 01:49:51 PM »

How did you set up the drives at the beginning, RAID 0, RAID 1, JBOD or something else?

If it was RAID 1 then you have a good chance of recovering your data,  Anything elst then the safe way is to reformat the drive and restore from your latest tested backup.
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gg22

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  • Posts: 3
Re: DNS-323 One drive is down- Data Recovery help pls
« Reply #2 on: September 14, 2019, 07:41:54 AM »

Hi there,

i did RAID 1 i remembered. what is next step to recover.
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ivan

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Re: DNS-323 One drive is down- Data Recovery help pls
« Reply #3 on: September 14, 2019, 02:59:00 PM »

Good, you are lucky because both of the disks should have the same data on them.

The next thing is to make a backup of your data (can be to a computer with enough free space or a USB drive).  Then format the drive in the unit and, if all goes well allow it to rebuild the RAID 1 array.

If there is a problem with the formatting you most probably have a drive with a defect, in which case replace it with a new one of the same size, format it and allow it to rebuild the RAID array.

Everything should then be up and running again.
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gg22

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  • Posts: 3
Re: DNS-323 One drive is down- Data Recovery help pls
« Reply #4 on: September 15, 2019, 11:06:50 PM »

The problem is how can i do backup. one drive is down, it ask me to format it.   can not read data from it.  it showing "HARD DRIVE CONFIGURATION:
Your new second hard drive will now be formatted. The existing hard drive will not lose any data." i do not want to format it, all data is on it but can not read.
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ivan

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Re: DNS-323 One drive is down- Data Recovery help pls
« Reply #5 on: September 17, 2019, 02:52:12 AM »

RAID 1 consists of two disks that have exactly the same data on each one.  If you have one 'bad' disk in a RAID 1 array it is possible to remove, after switching of the unit, and replace it with a good disk of the same size.  When the unit is powered on again it will, if restore RAID array is selected, format the new drive and copy all the data from the 'good' disk over to it - you do not lose any data.
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