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adding extra disk to RNDP6310
I own a ReadyNas Pro for many years now.
Inside the ReadyNAS were by factory default 3x1TB hdd (Seagate) installed.
A few years ago I added an extra 1TB hdd (WD), no problems so far....
This week I added an extra hdd. Now I chose a 4TB hdd (WD Gold). This new hdd is shown as a 4TB hdd in the RAID configuration overview, but only 927GB is allocated. That's excactly the same as the other 1TB hdd's.
1. Does anybody know if there is a solution for this problem?
2. The firmware I use is 4.2.31
3. If I remove this last added disk, the ReadyNas shows an error on the display: 'volume C unprotected'. Can I remove this new disk, without getting this error?
4. Is it an option to update to the latest firmware (6.7.5), can this be done without losing the data that's on the disks?
A lot of questions....
RobinJanicki wrote:
Can you please tell me if it is worth to upgrade to OS 6.x.
That depends on what you are looking for. My pro-6 is still running 4.2.31. If I ever need to do a factory reset, I'll upgrade it then, but for now I'll leave it alone.
Interesting features in OS 6 include the snapshots (which are more useful then OS 4.2. snapshot), the built in Antivirus protection, ReadyCloud, and more apps (including Plex). It lets you switch between xraid and flexraid without a factory reset, which is sometimes convenient. However you still couldn't remove a disk from an existing volume. Like OS 4.2, you need to destroy the volume to do that.
RobinJanicki wrote:
Is it possible to use another RAID configuration (in OS 6.x), so that I can use 'a bunch of disks' in one RAID configuration, in which case the whole 4TB becomes available.
OS 4.2 has that option too (flexraid), but you can't get there without a factory reset. You need to be careful with jbod - if any disk fails, then all your data is lost. I recommend making each disk it's own volume when you aren't using RAID redundancy.
RobinJanicki wrote:
How about the complexity of of upgrading from OS 4.x to OS 6.x?- BACKUP, BACKUP, BACKUP
- Download PREPR4TOR6_0.1-x86.bin
- Upload it using the ReadyNAS web gui firmware update, but do not reboot afterwards
- Download R4toR6_6.9.3.bin
- Upload it using the ReadyNAS web gui firmware update
- After you upload the addon/firmware and reboot, it will update the firmware and start a factory default. Your system should be back up in less than 10 minutes running the new firmware.
- Reconfigure the NAS
- restore the data from the backup.
For links to files see OS6 now works on x86 Legacy WARNING: NO NTGR SUPPORT
7 Replies
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1. With XRAID you won't see any size increase unless you install another 4 TB drive. The volume capacity formula is "sum the disks and subtract the largest". That is necessary to provide RAID protection.
3. Once you've added a disk to the array you can't remove it.
4. Netgear doesn't support OS 6 on your NAS, but you can install it if you like. There are posts here which explain how. You will need to back up your data, since the OS 6 firmware will need to reformat your disks.
1. So may be it is better to add 2x1TB hdd, every disk seems to be allocated as 'the smallest' disk?
3. If I remove the 4TB hdd and replace it with an 1TB hdd, will it rebuild the data?
4. It's a pitty that I need to backup the data, that's what a NAS is for: data storage, so I just need another NAS (of large external hdd) for two days...
RobinJanicki wrote:
every disk seems to be allocated as 'the smallest' disk?
If you installed a second 4 TB drive, then all the space on both of those drives would be used. Note the capacity rule above (sum the disks and subtract the largest).. 4x1TB + 4 TB would give you a 4 TB volume. 4x1TB+2x4TB would give you 8 TB.
There is a limit to volume growth with OS 4.2.x, but you aren't close to reaching that.
RobinJanicki wrote:
4. It's a pitty that I need to backup the data, that's what a NAS is for: data storage, so I just need another NAS (of large external hdd) for two days...
You should have a backup anyway, because RAID is not enough to keep your data safe. There are lots of posts here from people who learned that the hard way.
Personally I do use other NAS for backup, but many people do use USB disks.
In any event, OS 6 is very different from OS 4.2. OS 4.2 uses ext formatting, OS 6 uses btrfs.
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