Replace bad drive and expand RAID storage

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salicious69
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Posts: 3
Joined: Sun Feb 19, 2017 7:22 pm

Replace bad drive and expand RAID storage

Post by salicious69 »

Hi,

I'm new to the forum and generally a novice with NAS. I've searched the forum and got some clues but wanted to double-check to make sure I don't screw anything up.

I have a TS-653 Pro (firmware 4.5.4.1800) with 6x3TB WD Red drives set up in RAID 5. Total capacity is 10.54TB. Its not full but I recently started to get error messages (bad blocks, etc.) on drive 4 consistently. Also with another drive occasionally. So I would like to replace the bad drive. But I also want to increase the size of the storage pool so I managed to get 5x10TB Seagate IronWolf drives at a decent price. My end goal is to have a RAID 5 setup with 4x10TB drives and the fifth as a spare (but open to other suggestions).

I pulled the bad drive out and the NAS recognizes that it's missing but doesn't appear to do anything else. The Storage Pool just shows 5 drives now so I presume the QNAP has already adjusted to the missing drive? If I plug drive 4 back in, it recognizes it but otherwise won't let me do anything with it (like add it back to the storage pool if for some reason I wanted to).

I understand that I need to replace all the drives before I can take advantage of the extra space available. What is the best way to get to my goal? Do I use the replace disk one at a time option for the first 4 disks and then detach the last two?

Thanks in advance.
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dolbyman
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Posts: 35015
Joined: Sat Feb 12, 2011 2:11 am
Location: Vancouver BC , Canada

Re: Replace bad drive and expand RAID storage

Post by dolbyman »

screenshots would help

if you have 2 problematic drives, your rebuild will probably fail..so I hope you have backups
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