M1 and RAID Thunderbolt 3 Drives

The only time you would need to change the security settings is if you are using the external drive to boot. If just using as a normal external drive or for Time machine then you do not have to touch the security settings.

No, you don't need to change any security settings, UNLESS you are using the LaCie as a boot volume (to startup macOS.)

G-Technology and LaCie both have their advantages and disadvantages. I typically prefer LaCie over G-Technology.

(BTW, Apple sells the LaCie drive you're interested in: LaCie 8TB or 16TB 2big Dock Thunderbolt 3 RAID Storage - Apple. I always try to buy from Apple whenever possible.)

Cheers,

Jack

The "Reduced Security" setting is only for startup disks. You're fine there, unless you want to use the LaCie as a startup disk. Do you?

For changing the RAID, you may need LaCie's RAID Manager software.

Cheers,

Jack

That setting is not necessary if you're planning on using it as extra storage.

You're welcome!

You can use Disk Utilities to setup a Raid configuration. I have done this in the past.

https://www.lifewire.com/make-raid-with-disk-utility-for-macos-4134293

As I have said, you don't have to change any security settings!

You can most likely use Disk Utility to set the RAID. You may need LaCie software, but either way, it can easily be done.

Cheers,

Jack

Should work on M1. Go ahead and use Disk Utility and see if all is OK.