November 23, 20205 yr Coming from a failed QNAP and liked what I saw with UNRAID. I get that UR is NOT RAID. That's fine and all. Still, trying to figure out how I would recreate my prior 6 bay situation. Prior I had 4x 4tb Red NAS drives acting as my main utilized system. This was in a RAID 6, so I had roughly 8TB usable. The I had 2x 8TB Archive drives set in RAID 1 and placed a lot of storage data that was not often touched. Because of the way ARCHIVE drives are shingled (as I understand it), they should not be used for multiple concurrent read/ writes. Now, I have the 4x 4TB drives set Parity Parity 2 Disk 1 Disk 2 (and then added a 1TB Evo 870) for Cache. Does this look right for the array to 'mimic' the Raid 6 setup I had prior? Thanks. The next question would be on how to incorporate the 2x8TB ARCHIVE drives to use in a similar fashion as prior without messing with read/ write ability of above? I would effectively want them to act as a mirrored array for long term storage data. Advice? Better usage?
November 23, 20205 yr If you are using the 6.9 beta series, you could set up your 2 archive drives in a second cache pool using BTRFS RAID1.
November 23, 20205 yr Author Thanks jonthanm - Not using 6.9 beta series. Since I am new, concerned about stability. Should I be? Edited November 23, 20205 yr by jhmariscal spelling
November 23, 20205 yr 9 minutes ago, jhmariscal said: Thanks jonthanm - Not using 6.9 beta series. Since I am new, concerned about stability. Should I be? The core is stable, there are some display details and minor things being worked on. I'm running beta on 3 out of 4 of my machines.
November 23, 20205 yr Author Thanks @jonathanm. Can you tell me if the below looks right a basic setup (again, trying to get close to 'mimicking' RAID 6? Now, I have the 4x 4TB drives set Parity Parity 2 Disk 1 Disk 2 (and then added a 1TB Evo 870) for Cache. Does this look right for the array to 'mimic' the Raid 6 setup I had prior? Thanks.
November 23, 20205 yr Author Sorry- Also, once I have the drives in, how would I set up the second cache pool using BTRFS RAID1?
November 24, 20205 yr Author Sorry, I dont have the 2x8TB drives in yet. I was only asking on how so I could prep. Do the main drive setup look correct to you?
November 24, 20205 yr Looks good so far. With the 2 8TB drives connected and the array stopped, just click Add Pool and go from there.
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