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any benefit to factory reset after firmware update?
I just got a used Ultra 6. I did a factory reset, which finished overnight. Turns out it was on 4.2.21. The Ultra found 4.2.27 on Netgear's server and prompted me to upgrade. That is in progress ...
Since your backups need to be able to ensure data safety even if the NAS totally fails, the main value of RAID is (in my view) to optimize availabililty. That is to keep the files available during disk replacements and expansion.
Since I am a home user, losing access to my data for a short while is usually an inconvenience (not something that costs me money). So I am fine with single redundancy on the NAS.
If I ran a business, then I'd either go with RAID-6, or I'd have a second NAS on premise - which could serve as both a backup of the data and a hot spare.
If you chose to go w/o adequate backups (a bad idea in my view), then maximize your RAID protection with RAID-6.
Hello ThurstonX,
That is RAID 6 and it is best choice for keeping the data in case of disk failures. The total capacity of your storage system equals the capacity of all your disks minus the capacity of two disks.
We strongly recommend to always have full back, though.
Regards,
Thanks, I understand all that. As I mentioned, the decision I need to make is extra capacity (2.7+ TiB from an extra 3TB disk) vs. two disks for parity and added protection. I need to calculate how much I think my data may grow over time. I'd like to use this Ultra 6 as long as possible, even if it is old tech. I suppose if I hit the limit of what the Ultra 6 can hold, I'll have to get a new NAS that can take much larger drives. Given we're talking years here, I assume something at a reasonable price will exist by then.
On the plus side, the replacement PSU I bought from a UK-based business revived my ancient ReadyNAS NV. Since it has 4 x 2TB "Red" drives, I can use it for backups, as needed. That, or a very localized NAS that can serve music to my main listening PC (running on a different network from the wifi, with a switch in-between ReadyNAS and the PC's Ethernet).
Cheers.
Since your backups need to be able to ensure data safety even if the NAS totally fails, the main value of RAID is (in my view) to optimize availabililty. That is to keep the files available during disk replacements and expansion.
Since I am a home user, losing access to my data for a short while is usually an inconvenience (not something that costs me money). So I am fine with single redundancy on the NAS.
If I ran a business, then I'd either go with RAID-6, or I'd have a second NAS on premise - which could serve as both a backup of the data and a hot spare.
If you chose to go w/o adequate backups (a bad idea in my view), then maximize your RAID protection with RAID-6.
Yes, that's a good point, since I'm a home user, and downtime waiting for a new disk is fine. In the past, I've always had plenty of warning from the SMART checks, so I've been able to Advance RMA or otheriwse replace the dying disk while keeping the unit running. This is the first dead disk I've encountered.
So yeah, I'll go with single-disk redundancy. I suppose that's the default setting, but I guess I can save a few minutes by interrupting the 10-minute window and force the setup to start.
Thanks again. I'll mark this one solved :-)
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