[CentOS] Replacing SW RAID-1 with SSD RAID-1

Mon Nov 23 15:46:24 UTC 2020
Simon Matter <simon.matter at invoca.ch>

> Hi,
> I want to replace my hard drives based SW RAID-1 with SSD's.
> What would be the recommended procedure?  Can I just remove one drive,
> replace with SSD and rebuild, then repeat with the other drive?

I suggest to "mdadm --fail" one drive, then "mdadm --remove" it. After
replacing the drive you can "mdadm --add" it.

If you boot from the drives you also have to care for the boot loader. I
guess this depends on how exactly the system is configured.