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Forum Discussion
X-Raid 4TB to 2 Volume 8TB... possible?
Hi everybody,
this is my first post.
I originally had a ReadyNAS 102 with a single 4TB drive in it. After buying another 4TB drive the configured X-Raid rebuilt fine, I now have a secure 4TB volume mirrored on the secondary drive, which seemed fine a few weeks back.
But now disk space is scarce and I want to configure the 2nd drive to have 4 additional TBs, non-secure. I switched off X-Raid, but I still have only 4TB, now with Flex-Raid 1.
I don't have enough additional drives to backup all the data, so what would be important for me would be the possibility to create a second 4TB volume without losing data on the first drive.
Is there any way to accomplish this?
Thanks in advance!
this is my first post.
I originally had a ReadyNAS 102 with a single 4TB drive in it. After buying another 4TB drive the configured X-Raid rebuilt fine, I now have a secure 4TB volume mirrored on the secondary drive, which seemed fine a few weeks back.
But now disk space is scarce and I want to configure the 2nd drive to have 4 additional TBs, non-secure. I switched off X-Raid, but I still have only 4TB, now with Flex-Raid 1.
I don't have enough additional drives to backup all the data, so what would be important for me would be the possibility to create a second 4TB volume without losing data on the first drive.
Is there any way to accomplish this?
Thanks in advance!
3 Replies
Replies have been turned off for this discussion
- You cannot change the raid level without erasing all data.
Doing the following without a backup is risky.
You could remove the second disk and put it in a USB caddy and attach it to the NAS, format it,then back up your data to it.
Once you have done this and verified the backup, you'd need to destroy the existing raid 1 volume and recreate a raid 0 volume in flex raid on the disk that is in the NAS.
After doing this, copy the data back to this new volume from the USB disk.
You could take the USB disk and put it into the NAS, then create a new volume on the second disk.
The problem with all of this is that you have no protection against a single disk failure from the point at which you format the USB disk, and you have no protection against a hardware failure or 2 disk failure at any time. Not sensible if any of the data is irreplaceable. - Another option is to get an RN104. You can migrate your existing disks to it w/o data loss, and then add another disk for expansion. Or go with two NAS.
- Thank you both for your replies.
vandermerwe wrote: Doing the following without a backup is risky.
Guess I have to try that anyway...StephenB wrote: Another option is to get an RN104.
Sadly, investing in new hardware is not an option.
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