NAS Drive Swap Drive Over Question

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digzz

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Jan 6, 2014
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I want to upgrade my NAS drive but with out re-formatting and copy everything other to the new drive.

The only difference between the drives are the makes.

The drive is in a raid 0 configuration.

Can I just swap the drives without re-coping or re-formatting ?
 
Solution
kanewolf
RAID 0 is striped data. Part of the data is written to one physical disk, and part to another. Removing any RAID 0 disk will cause data loss. Could you be confusing the RAID levels ... Could you actually have RAID 1 (mirrored) disks?
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digzz

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Jan 6, 2014
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But why would it affect the drive if it will be set to raid 0 and not formatted on the new NAS drive?

I've taken the drive out my current NAS to clean the dust out.Then I put it back in and I didn't have to reformat anything.
 
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kanewolf

kanewolf

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May 29, 2013
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RAID 0 is striped data. Part of the data is written to one physical disk, and part to another. Removing any RAID 0 disk will cause data loss. Could you be confusing the RAID levels ... Could you actually have RAID 1 (mirrored) disks?
 
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Solution
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digzz

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Jan 6, 2014
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Nope it's defo raid 0. Moving one RAID 0 disk from the slot it was in and putting it back has never caused any data loss for me.

And I've been using them for years.

But I want to know if I can use it in another device and still keep the data intact.
 
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kanewolf

kanewolf

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The definition of RAID 0 says you will loose all your data... But you say you didn't loose data previously. Did you actually have the NAS active (powered on) when you removed the disk? That should have caused all data to be lost then. If you didn't loose data, then the only explanation I have is that it is a concatenated volume rather than a truly striped volume (data is written to the first disk until full then the next disk is filled).

I wouldn't trust any data I wanted to keep without copying it to another volume. I wouldn't recommend swapping any disks without full backup.
 
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ss202sl

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May 23, 2012
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You might get lucky and be able to use the same disks in a new nas system without losing data. How do you know you're going to get lucky? You don't, so you back up your data, swap the disks and see if you get lucky. If not, you just restore the data.

Anyway you should back up the data whenever you start a project like moving disks around - even if you don't expect to lose data - Murphy's law always has a way of making itself known during simple operations.
 
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digzz

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Jan 6, 2014
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No I didn't have the power on. I would never do that as you know it could wipe everything out.

Backing up isn't really a option for me as I'll have to back up 8TB of data.
 
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digzz

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Jan 6, 2014
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I see what your saying. But I want to avoid the route of backing up 8 TB of data plus the fact I'll have to buy 3 new hard drives to back up to.
 
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digzz

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Well it does , just because I only have this data on one drive it does not mean it's important. It's very important.
 
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digzz

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Jan 6, 2014
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Thanks I'll take that good advice. But I just wanted to find out before I buy and upgrade this NAS drive I have . I was thinking if it was something specific to the maker of the unit or something . Or are raid 0's the same?
 
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