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Replace all drives and change RAID
Posted: 24 Nov 2021, 00:27
by mwarney
I have a Terramaster F4-210 currently set up as RAID 1 (mirror) using two 6TB Ironwolf drives. I want to replace the two 6 TB drives with four 4 TB drives and convert to RAID 5. There IS currently data stored on the system. Could someone please outline the steps I would take?
Thanks
Re: Replace all drives and change RAID
Posted: 24 Nov 2021, 00:41
by TMroy
it seems this is not possible, you just can not replace your drive which is already configured in a RAID with a smaller size new drive. you have to back up your data, delete the current RAID 1, and rebuild a new RAID 5 with your 4TB drives.
Re: Replace all drives and change RAID
Posted: 24 Nov 2021, 00:45
by mwarney
TMroy wrote: ↑24 Nov 2021, 00:41
it seems this is not possible, you just can not replace your drive which is already configured in a RAID with a smaller size new drive. you have to back up your data, delete the current RAID 1, and rebuild a new RAID 5 with your 4TB drives.
Thanks... I was afraid of that. What if I added two more 6 TB drives and then converted to RAID 5?
Re: Replace all drives and change RAID
Posted: 24 Nov 2021, 16:43
by TMSupport
Hi!
Please refer to the following instructions:
1. Add a disk to migrate RAID 1 to RAID 5.
Instructions for Online RAID Migration
2. Add another disk to the RAID 5.
Instructions for Adding HDDs to RAID