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Author Topic: DNS-323 Hard drive failure  (Read 1431 times)


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DNS-323 Hard drive failure
« on: October 22, 2018, 03:54:51 AM »


I have identified on my DNS-323 with latest firmware that it has a failed drive as the console tells me its always rebuilding.  I know the right drive is suspect.  After marking them both I mounted them on windows with Ext2 Vol Mgr and can see all data on my left drive is OK.  The right drive prompts a Data CRC error and I cant explore the drive after mounting.

Am I safe to format the suspect drive and replace it in the DNS-323 and allow it to auto rebuild OR could there be bad sectors?



  • Guest
Re: DNS-323 Hard drive failure
« Reply #1 on: October 22, 2018, 04:19:26 AM »

Also to add I put back my working drive only and powered the NAS back up and the wizard started up to recreate the RAID.  I skipped this and it no longer
presents my share.  When I mount my drive back on windows the data is there.   :-\


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Re: DNS-323 Hard drive failure
« Reply #2 on: November 26, 2018, 04:40:14 PM »

First thing to do is make a backup of your data from the good drive to an external USB drive.  Then get a new same size drive (or two larger ones if you have need of more space).  Replace the good drive back in the slot you took it from and put the new drive in the other slot.  Power the unit on and hopefully it will rebuild the RAID 1 array.

If it doesn't just create a new array and copy your data back.  Remember the RAID array is a software RAID and is therefore sensitive regarding which slot a removed drive is returned to.

You can reformat the problem drive but, if you value your data, never use it in the NAS again.