Question Lacie 2big disk 'uninitialized'

Nov 15, 2023
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Hi. Hoping someone can shed some light on my ongoing noob issues with a lacie 2big raid set up. I'm a filmmaker with a tonne of data spread across different ironwolf drives - I've been using 2big but to be honest it is causing me as many problems as it is solving (yes, human error probably at the heart of this) as a newcomer to this tech.

Currently, I've put a 14tb drive back into the system which my M1 mac (ventura) says is uninitalized and called 'array'.
But I didn't think so - I don't want to initialize it because I'm 99% sure it has data on it and something whack is happening with RAID manager which is probably my fault. On running first aid in disk utility, no problems are found. Have tried on another mac, same issue.

RAID manager says it's JBOD and the 'distribution' bar is fully blue. So it's my understanding this means it is not mirrored.

Essentially, I'd like to know - is there any chance that this drive I am 99% sure should have my data on it cannot be read/initalized because it is not being inserted along with its mirrored drive? If you have two copies of a drive..can they not be read alone? Is it now useless alone?!

What was on its counterpart is no longer there due to a calamity; last week I lost what was on a new drive (a film edit, thankfully backed up on a non-RAID system) when I inserted an old ironwolf drive next to it and RAID manager immediately 'rebuilt' the film edit drive I was working on to mirror/back up the drive I was inserting (without a prompt).

I'm obviously doing things very wrong but to be honest have not found a simple guide to start off. I can see ongoing issues in future if I don't get on top of this - aside from today's main issue, which appears to be lost projects on this drive which needs initliazing (unless data recovery software might find it?)

thank you!
 

USAFRet

Titan
Moderator
Some of it...
Well, that other part may be gone gone gone.

It is hard to tell what you actually have. RAID 1 or JBOD.

With a fully functional RAID 1, physical death of 1 drive should not prevent the other drive from limping along, with the full data set.

With a JBOD, data fills up in a series of buckets. When the first drive is full, then things start to go to the second drive.


In both cases....this is what an actual backup is for.
People listen to the grandiose claims of these manufacturers, and end up in a situation like this.
 

S Haran

Distinguished
Jul 12, 2013
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Some raw files may be recoverable using "data carving" software. A popular free one is Photorec from cgsecurity.org

But it is not optimal as data carving software operates on the raw disk below the file system level so you lose the original file and folder names.

You might also want to try a scan with Photorec's sister Testdisk to see if it finds anything. It looks for lost filesystems.
 
Nov 15, 2023
3
0
10
Some raw files may be recoverable using "data carving" software. A popular free one is Photorec from cgsecurity.org

But it is not optimal as data carving software operates on the raw disk below the file system level so you lose the original file and folder names.

You might also want to try a scan with Photorec's sister Testdisk to see if it finds anything. It looks for lost filesystems.
Hi. Just wanted to say thanks for your advice. I used datacarving (new to me) at a fee and was able to retrieve the most important video files I needed. Relief!