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Forum Discussion
tthumb
Jun 23, 2021Aspirant
ReadyNAS 102 Power Led 2 flashes pause repeat endlessly
I had a 2 TB disk. I am good with a single disk. I added a 5TB. It synced and was ready after a few hours. I pulled out the 2TB disk from the first bay. Confirmed I could access data and Admin UI. Mo...
- Jun 23, 2021
tthumb wrote:
Bottom line: I want it to see and access the full 5TB. What do I need to do?Start over. The procedure you followed gave you a 2 TB RAID-1 volume (since RAID-1 is mirrored, the volume is the size of the smaller disk). Then removing the 2 TB drive gave you a degraded RAID-1 volume.
What you should have done is switched to flexraid, inserted the new disk, and created a new JBOD volume. Then create new shares on the new disk, and copy the data over (backup jobs are convenient). Finally, destroy the old volume, remove the old disk, and rename the new shares to match the original.
Getting there from where you are is a bit tricky. If you can connect the old disk to a PC, you might find it easier to simply copy off all the files from the NAS to the PC, and then do a factory default and set it up again.
StephenB
Jun 23, 2021Guru - Experienced User
tthumb wrote:
Bottom line: I want it to see and access the full 5TB. What do I need to do?
Start over. The procedure you followed gave you a 2 TB RAID-1 volume (since RAID-1 is mirrored, the volume is the size of the smaller disk). Then removing the 2 TB drive gave you a degraded RAID-1 volume.
What you should have done is switched to flexraid, inserted the new disk, and created a new JBOD volume. Then create new shares on the new disk, and copy the data over (backup jobs are convenient). Finally, destroy the old volume, remove the old disk, and rename the new shares to match the original.
Getting there from where you are is a bit tricky. If you can connect the old disk to a PC, you might find it easier to simply copy off all the files from the NAS to the PC, and then do a factory default and set it up again.
tthumb
Jun 23, 2021Aspirant
Thank you for the quick response. Very helpful.
Will it be faster if I do a backup of the drive as it stands now, then do a factory reset, start with the 5 GB reformat and then try to do a restore?
I could do a Flex Raid in the process, too.
So, basically, will a backup and restore work?
- tthumbJun 23, 2021Aspirant
tthumb wrote:Thank you for the quick response. Very helpful.
Will it be faster if I do a backup of the drive as it stands now, then do a factory reset, start with the 5 GB reformat and then try to do a restore?
I could do a Flex Raid in the process, too.
So, basically, will a backup and restore work?
Actually, never mind. I had not realized how backups (and backup jobs) work. That is exactly what you said. I just happened to have a spare 2 TB sitting around that I put in a USB enclosure and got it going as a local (external) backup of the data.
Again, thank you for your quick response. All good.
- SandsharkJun 23, 2021Sensei
If you are comfortable with the Linux command prompt via SSH, there is a way to convert and expand it. But you end up with a configuration that's not a standard one for a ReadyNAS (two layers of single-drive RAID1), so I have no idea what will happen if you try to add redundancy or expand later.
I suppose it's possible to use a tool like GPARTED to expand the RAID's single partition, but I've never tried that.
In either case, you'll still want a full backup in case something goes sideways in the process. So just starting over is probably best given the small amount of data you need to restore.
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