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ReadyNAS 516 / OS6 dual redundancy with X-RAID2
Hi, I've been looking into this and been unable to find a definitive answer... If I were to setup a new ReadyNAS 516 with 4 freshly installed disks, would I be able to configure X-RAID2 in dual r...
steveoelliott wrote:
It seems that I may have to first convert it to Flex-Raid level 6 and then back to X-RAID2.
With OS4, converting to flexraid required a factory reset. That's not the case with OS 6.
If you are starting fresh, then you start with 3 disks, change to flexraid and add the fourth for redundancy, then switch back. It isn't intuitive, but isn't difficult either.
Alternatively, you can insert all four, switch to flexraid while the volume is building/syncing. You can then destroy it (while it is building) and recreate it as RAID-6.
Hi steveoelliott,
I have replied to this here:
"X-RAID doesn't treat 6 HDDs the same way depending on the number of bays. So it changes a little bit the scenarios.
If the chassis has 6 bays or less, it won't go to RAID6. If the chassis has more than 6 bays, it goes to RAID6 starting at the sixth disk."
So if you want a RAID6 on a RN516, you need to use Flex-RAID and manually create the volume. RAID6 on 4 HDDs is a good idea for redundancy, but it's certainly not the best "default" option that should chosen in every situation where there are 4 HDDs in a chassis, so it can't be X-RAID2's default behavior with 4 HDDs.
I don't understand why you qualify this of "cumbersome", please explain.
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