I've decided on creating a NAS running FreeNAS using a software RAID 5 setup. I want to start the RAID with 2x2TB drives and slowly add more 2TB drives as I go. Is this possible? If I have a full RAID 5, can I add another drive to it without erasing the previous drives?
I have a server using
It's a pretty simple process.
First, we add our new device to the raid array.
And now we resize the array.
After that the lengthy rebuild process will start moving around data. Observe the process by using:
When that is done, you'll have a larger RAID volume with all your data intact.
Take a look at this