01-04-2023, 09:05 PM
You only need to replace the biggest drive if you want to gain more storage space.
In your situation, you could use the empty bay to expand to add this drive. But it will be seen as big as 5TB or so if merged to existing RAID. You can also set it up individually in basic mode to have full 12TB available.
Here is how
https://kb.synology.com/en-uk/DSM/help/D...?version=7
You can play with the capacity calculator here https://www.synology.com/en-uk/support/RAID_calculator
In your situation, you could use the empty bay to expand to add this drive. But it will be seen as big as 5TB or so if merged to existing RAID. You can also set it up individually in basic mode to have full 12TB available.
Here is how
https://kb.synology.com/en-uk/DSM/help/D...?version=7
You can play with the capacity calculator here https://www.synology.com/en-uk/support/RAID_calculator