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Forum Discussion
patdman81
Nov 24, 2020Tutor
Remove disks from RNDU6000 using RAID Level X-RAID2, 6 disks (with dual redundancy)
Hi all, I currently have my RNDU6000 setup with 6x3TB disks, using RAID Level X-RAID2, 6 disks with dual redundancy. I want to increase the overall size, and the overall current size is current ...
patdman81
Nov 25, 2020Tutor
Thanks mdgm I really appreciate the info.
I was already toying with the idea of upgrading to OS6 (plus adding RAM) so will probably do that.
I'm ok with the risk of having no redundancy for a short period; I checked the SMART stats for all disks and there's nothing for any disk on any of the error counts, which is a nice comfort given that 4 of the disks have been running for almost 9 years now.
I think I will backup as much as I can to USB first, then take the disks out and backup more to them.
Once everything is backed up, upgrade to OS6 & upgrade RAM, start from scratch and live with single redundancy for a while.
Down the track, I will start replacing the 3TB disks with 6TB/8TB disks (depending on my financial situation) to swap out the oldest drives, increase the overall size but also target dual redundancy long-term.
Anything else I should think about?
Regards,
Patrick.
StephenB
Nov 25, 2020Guru - Experienced User
If your goal is to end up with dual redundancy, then I recommend keeping one bay empty after you convert to OS-6. Otherwise you will need to destroy the volume (and recover the files from backup) when that time comes.
- patdman81Nov 25, 2020Tutor
StephenB thanks for the heads up on that.
Any thoughts on how to progress with the eventual size upgrade?
i.e. Start with 1x8TB + 4x3TB (sum all, minus largest = 12TB?), then swap out a 3TB for another 8TB (leaving 2x8TB + 3x3TB - 8TB = 17TB?) and keep on swapping out until I have 6x8TB w/dual redundancy (32TB total, yeah?)- StephenBNov 25, 2020Guru - Experienced User
patdman81 wrote:
StephenB thanks for the heads up on that.
Any thoughts on how to progress with the eventual size upgrade?
i.e. Start with 1x8TB + 4x3TB (sum all, minus largest = 12TB?), then swap out a 3TB for another 8TB (leaving 2x8TB + 3x3TB - 8TB = 17TB?) and keep on swapping out until I have 6x8TB w/dual redundancy (32TB total, yeah?)Yes, that will work. You can enable dual redundancy when you upgrade the 4th disk (or later). You will need to switch to FlexRAID to add the disk for redundancy (but you should be able to switch back to XRAID after).
Note that OS-6 doesn't require a factory default to switch to FlexRAID.
- patdman81Nov 26, 2020Tutor
Thanks again, I've almost completed my backup but am now researching the upgrade to OS 6 process.
Seems like the steps are as follows;
Step 1
Download and install PREP4TOR6_0.1-x86.bin
Are there different versions of this?
Step 2Download and install the OS6 firmware.
Can I download the latest version of this from Netgear?
e.g. ReadyNASOS-6.10.3-x86_64.zip
Other questions.
Should I be doing a BIOS upgrade prior to this?
I've been running my unit for ~9 years without a BIOS upgrade but happy to do so if mandatory/has tangible benefits.From hunting system logs, my BIOS is as follows (one of the two lines should hit the mark!)
BIOS-e820
BIOS 080016 05/26/2010
If a BIOS upgrade is ideal, where can I download?
Hunting around has not proven fruitful so far.
Last question, RAM upgrade.
Is there a recomended RAM list if I want to upgrade this?Thanks again for all the great help, looking forward to brining my trusty NAS into a new era!
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