August 24, 201213 yr I am trying to upgrade my 2tb parity drive to a 3tb parity drive on v4.7 I have installed the new 3tb drive in the server, and unplugged my 2tb drive sata cable. I boot up unraid, and it lists the parity drive as missing. Then I go to devices, and assign the new 3tb drive as the parity drive. Go back to main screen, and my only option is to boot the array without the parity drive, and it tells me to install a new parity drive as soon as possible. How do I get this to work!?
August 24, 201213 yr Author I now tried putting the old 2tb back in, then starting the array, then stopping the array then unassigning the 2tb, powering down, then removing the 2tb and replacing it with 3tb, then booting back up, and assigning the 3tb to the parity slot. No luck, the start button still says it will start the array without parity...........
August 24, 201213 yr Author Now when I boot with my old 2tb parity drive, it is red-balled and wants to do a parity sync which I cancelled. There are no errors reported against the drive, and before I started this process it was green.
August 24, 201213 yr I am trying to upgrade my 2tb parity drive to a 3tb parity drive on v4.7 How do I get this to work!? You don't. 3TB drives are only supported in the later 5. beta and RC versions.
August 24, 201213 yr Author So how do I proceed. I have a redball parity drive that is now parity syncing for the next 14iteration hours unless I stop it, and I have to upgrade to 5.0. Can I stop the sync then upgrade with red ball parity?
August 24, 201213 yr Author Safe but I don't know why my parity drive would be red now I just ran a full parity sync days ago. I assume I just let parity finish then upgrade unraid then upgrade parity drive.
August 24, 201213 yr Safe but I don't know why my parity drive would be red now I just ran a full parity sync days ago. I assume I just let parity finish then upgrade unraid then upgrade parity drive. It's red because unraid doesn't recognize it as a valid parity drive. If there were any writes to the data drives, even just housekeeping, while the old parity drive wasn't installed, parity is no longer valid. I know it's a pain, but if you really want to be safe, I'd do a nocorrect parity check after the build is complete, and again after you do the upgrade. Also, I'd make a full copy of your USB as it is right now, so you can revert back if things don't work out. I'd run the upgraded array with your current set of drives for a for a few days before introducing the new 3TB drive. That way any hiccups in the upgrade won't be complicated by a drive replacement. Has the new drive passed a couple preclear cycles already?
August 24, 201213 yr Author I don't know what a nocorrect parity check is, or what a preclear is. I will let the parity check finish, then what do I do?
August 24, 201213 yr If that is still the 3TB drive, just stop the parity calc, it is useless. Re-install the 2TB drive and let it calculate parity once more. If you have already re-installed the 2TB drive, and it is calculating parity with it,let it complete. Then, the best release for 5.0beta is the rc6-test2 version. The release notes for it give explicit instructions on how to upgrade. Joe L.
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