December 13, 20223 yr Hi, I added a 18TB Toshiba drive (MG09ACA18TE) to my array a couple of days ago. Waited the 30 hours it took to parity sync, all green and fine. Then I shut down the server to add some unassigned drive and started the server again. Only to find that unraid didn't detect the Toshiba anymore. I shutdown again, unplug the unassigned drive (bcs it was the single only change) and started. But still not detected. Fumbled around a bit (like starting the array for a moment without the drive detected) - which removes it as the designated drive (didn't know that, oops) I thought the drive had died somehow, so sad little me thought "Welp, just put the 8TB one from before in" - but it didn't like that at all, as it had to be same size or larger than the 18TB toshiba. Which was rough, I don't have the money right now to buy another 300-400 euro drive to fix my array. Just to see, I put it in my main system and it showed up in disk manager. I formatted it, testet it, it was perfectly fine. Plugged it back in the unraid system, didn't show up again. So I tried to reboot instead of cold start - and well, there it was. Now I did the parity sync again and checked: it really only gets detected after reboot. tl;dr: Well, it seems every time I shut down the server, I'lll have to reboot it as well before it detects the drive. The only thing I could come up with is that its simply too different a drive? All others are seagates and this toshiba seems to use a different recording technology. Mby its that, mby its spinup time... I don't know... Any ideas?
December 13, 20223 yr Community Expert If you have more than one controller try using a different one, not much more you can do.
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