March 27, 201511 yr Hi guys i need help asap. I bought two 6tb drives to replace my parity and disk 1 drive since i was running out of space . I followed the wiki instructions but now i've booted up the array i am now told Parity and disk 1 is missing or wrong. I don't see anywhere where that says upgrade so wondering how i proceed.
March 27, 201511 yr Community Expert What was the exact process you followed? You cannot upgrade two disks at the same time, so it sounds as if what you did was not correct!
March 27, 201511 yr Sounds like you indeed tried to do something you simply can't do (replace 2 drives at once). This can ONLY be done in the very specific case of a "swap disable", which allows you to replace the parity drive at the same time that the old parity drive replaces a failed array drive. Assuming you still have your old drives, the simplest way to proceed is to (a) do a New Config with all of the original data drives (including drive 1) and one of the new 6TB data drives. Let it do the initial parity sync; then do a confirming parity check (these 2 operations will take a couple days). THEN you can (b) replace drive 1 with the other new 6TB drive and let the system rebuild it.
March 27, 201511 yr Community Expert Sounds like you indeed tried to do something you simply can't do (replace 2 drives at once). This can ONLY be done in the very specific case of a "swap disable", which allows you to replace the parity drive at the same time that the old parity drive replaces a failed array drive. Even with swap-disable only a single physical drive is actually being replaced. What one is doing is re-purposing one drive (parity->data to replace original data drive) and then replacing one drive (to take the place of the re-purposed parity). By the end one physical drive has left the array and one new one been added.
March 27, 201511 yr Author My bad I'm so dumb. The whole process can be long so i thought i could kill two birds with one stone. So i put Disk 1 back and started the server without Parity installed so i can have access to unraid while i run preclear. I'm assuming once that is done i than just follow: Sounds like you indeed tried to do something you simply can't do (replace 2 drives at once). This can ONLY be done in the very specific case of a "swap disable", which allows you to replace the parity drive at the same time that the old parity drive replaces a failed array drive. Assuming you still have your old drives, the simplest way to proceed is to (a) do a New Config with all of the original data drives (including drive 1) and one of the new 6TB data drives. Let it do the initial parity sync; then do a confirming parity check (these 2 operations will take a couple days). THEN you can (b) replace drive 1 with the other new 6TB drive and let the system rebuild it.
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