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Forum Discussion
Upgrading from 2TB to 3TB drives
Hello everybody, great to see such an active community has formed around the ReadyNAS! I've been a proud and satisfied user of a Ultra 6 for a few months. I'm currently having three Samsung 2TB dri...
ruudpel - about six or seven months ago I faced a similar situation with 4x1TB drives in my NVX. Rather than go with 2TB drives, I also went went replacing 2 of the 1TB drives with 3TB drives. Before the upgrade, I had a net volume of 2.7TB. I actually did this on two NVX units, since one backs up to the second. I did the backup first. I replaced drive 1 first (just my choice, it really doesn't matter) and after the resync I then replaced the drive in bay 2. After the resync the volume showed it was fully redundant, but still at 2.7TB. It does take a reboot to trigger the vertical expansion.
After the reboot, my redundant volume was now 4.5TB. The only difference on my primary NAS was that it took two reboots before the vertical expansion took place, so be ready to reboot several times.
Dual redundancy does offer greater protection, not an option for me, but you do have to have 4 of the larger drives for the array to be dual redundant. Your best path may be to add a 3TB to gain the 2TB of additonal space. Then add a second 3TB to gain 3TB additonal space. At this point you may want to replace one of the 2TB with a 3TB drive. This will give you 2x2TB and 3x3TB. This would give you a volume of about 9TB. Then if you desire, you can add a fourth 3TB and at the same time convert to dual redundancy. Your volume would still stay at 9TB (net), but would be protected against the failure of two drives.
After the reboot, my redundant volume was now 4.5TB. The only difference on my primary NAS was that it took two reboots before the vertical expansion took place, so be ready to reboot several times.
Dual redundancy does offer greater protection, not an option for me, but you do have to have 4 of the larger drives for the array to be dual redundant. Your best path may be to add a 3TB to gain the 2TB of additonal space. Then add a second 3TB to gain 3TB additonal space. At this point you may want to replace one of the 2TB with a 3TB drive. This will give you 2x2TB and 3x3TB. This would give you a volume of about 9TB. Then if you desire, you can add a fourth 3TB and at the same time convert to dual redundancy. Your volume would still stay at 9TB (net), but would be protected against the failure of two drives.
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