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Migrating from 2 × 1TB to 1 × 2TB
Hello, for some years already I have ReadyNAS Duo (SPARC aka v1). From the very beginning there are 2 disks of 1TB with X-RAID (redundancy). The time has come to upgrade for more space. So I got one...
Yes, I know that putting two 2TB disks would have given me 2TB of disk space with redundancy.
At this stage I don't care for redundancy. Neither I want to buy second 2TB disk.
What I want is to have:
1. all my configuration settings preserved,
2. 2TB disk space
3. ONE disk of 2TB capacity inside my ReadyNAS Duo (SPARC).
The question is: is there a way to get this without manually recreating all configs?
What will happen in that given scenario:
1. ReadyNAS is on with two disks of 1TB synchronized and redundant,
2. I hot remove disk no2,
3. I put new 2TB disk into bay 2,
4. ReadyNAS initiates and synchronizes new drive,
5. When sync is done I hot remove disk 1,
6. I reboot ReadyNAS.
Will it expand to 2TB then?
If it will not expand automatically, will it expand with manually initiated command? If so, how to do it manually?
Hello Poldek,
XRAID on Duo or any 2-bay ReadyNAS is mirror RAID. One disk mirrors the other. The volume capacity is equal to the smallest size of disk, which means if you are going to have a combination of 1TB and 2TB disks, you are wasting 1TB space of the 2TB disk as it mirrors the other.
Best thing here is if you are trying to expand the volume you need to have 2x 2TB and not just one.
To expand the existing 2x1TB space, just remove 2nd disk and replace it with the 2TB. Once it is done synching, replace the disk 1 with 2TB.
However, I strongly suggest you backup the data (as we always suggest to always have full backup) since this unit is a very old version that do not have XRAID2 which is essential when it comes to volume expansion. Having full backup will save you in case you encounter any trouble with the expansion.
Regards,
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