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Forum Discussion
reconfigure readynas 104
Posted elsewhere but hadn't considered business solutions - sorry. My readynas 104 was configured with disk 1 and 2 as raid 0 and disks 3 and 4 as two jbod volumes. I decided to split disks 1 and 2 a...
JohnPud wrote:
The raid 0 volume no longer exists. I have now got disks 1, 2 and 4 all as single jbod volumes, and all are active and saving data. So my concern is can I return disk 3, containing data from before starting this evolution, into slot 3 and have the shares on it available again, or will it be reformatted by the nas? I am aiming for 4 individual jbod volumes.
How many times do I need to answer this? Here is the step by step:
- Power down the NAS
- Remove disk 1 and 2, add disk 3 and 4
- Power up and reboot the NAS (with only disk 3 and 4)
- Go to the volumes page in the web ui. You should see the volumes on disk 3 and disk 4 as healthy. The original RAID-0 volume will be inactive
- Optionally back up the files on these two disks
- Click on the volume settings wheel for disk 3 and choose Export
- Click on the volume settings wheel for disk 4 and choose Export
- Power down the NAS and reinsert disk 1 and 2
- Power up and you should then see all four volumes with no data loss.
I'm sorry I seem to be frustrating you - perhaps I'm having a 'senior moment'. đ There is currently no volume 3, just 1, 2 and 4, all newly created on clean disks as jbod after the factory reset. So I now only have disk 3 to insert back into slot 3, that has the original set of shares and data on a jbod disk. So I'm just checking that when I insert it into slot 3 the nas will recognise the original formatting and shares so that they are again available, or was there additional configuration that will have been lost in the factory reset to trigger a reformat of disk 3.
JohnPud wrote:
There is currently no volume 3, just 1, 2 and 4, all newly created on clean disks as jbod after the factory reset.
Before you had three volumes
- 2 disks in RAID-0 (disks 1 and 2)
- 1 disk JBOD (disk 3)
- 1 disk JBOD (disk 4)
The mistake you made was that you didn't export the two JBOD volumes you wanted to preserve. You need to fix that.
The OS and the configuration files are stored on all the disks. So when you put disk 3 and disk 4 back in the NAS by themselves, the NAS will boot up with the original config files. But since disks 1 and 2 are not present, the RAID-0 volume will not mount, and will show up as inactive - because it is not there. The two old JBOD volumes will show up and will be accessible. So you can (optionally) back them up, and you can also export them as I indicated in the step-by-step above.
When you power up the NAS with all four disks installed, then the NAS will find the exported volumes, and will automatically import them. So you will end up with all four JBOD volumes. The NAS will not reformat them.
Be careful to follow power off instructions in the step-by-step. The NAS should be off in all the steps when you remove and add back disks.
Hi,
Thank you both for your support - I now know a tad more about my NAS units.
Unfortunately, before I knew about the export function I had removed all disks and done a factory reset. Subsequent tinkering has shown that had I exported the disk I would not have had a 'ghost' disk 3 preventing me from labelling the new disk, which is why I did the factory reset. :-( A lengthy learning process, but I now have all my data restored to both main and backup NAS boxes.
Indirectly related, while I was researching I learned that I could transfer between shares within the NAS. So when I had access to the drive I was able to create a temporary share on another disk and copy the files across.
Nothing like practical experience to learn new stuff!
Regards,
John.
Unfortunately, before I knew about the export function I had removed all disks and done a factory reset.
Just so you are aware - all the configuration information is on the disks. So doing a factory reset with no disks installed has no effect.
Similarly, doing a factory reset with some disks installed does not destroy the configuration information on the disks that are not inserted.
The steps I gave you would have allowed you to export the two original JBOD volumes and then add them back to the system.
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