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Trying to Add Drives to a Pool Without Data Loss

Joined
Sep 6, 2019
Messages
2
Sorry if i'm naive in asking this, i'm very new to FreeNAS.
My current setup is a single 3tb drive, with data on it.
I have two other blank 3tb drives that I want to add to the pool, and switch the pool to Raid 1. Would this be possible?
 

garm

FreeNAS Expert
Joined
Aug 19, 2017
Messages
1,253
Short answer is No, long answer is that it can be hacked. Search for building a degraded pool.

But seriously don’t do that. Find a way to backup the data and rebuild the pool. It’s way safer
 

anmnz

FreeNAS Guru
Joined
Feb 17, 2018
Messages
260
I have two other blank 3tb drives that I want to add to the pool, and switch the pool to Raid 1.
What pool configuration are you trying to end up with exactly?

"RAID-1" means mirroring. Are you trying to end up with your three drives in a triple mirror?

You can safely "attach" new drives to your existing drive to create a mirror if that is what you are aiming to do.
 
Joined
Sep 6, 2019
Messages
2
What pool configuration are you trying to end up with exactly?

"RAID-1" means mirroring. Are you trying to end up with your three drives in a triple mirror?

I didn't understand, I believe what I am actually looking for is raid 5, where I can lose 1 of the 3 drives.
 
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