No, I didn't encrypt disks, I also check each disk individually in taht HDD enclosure, and partitions were visible normally, is it possible that that router have something like 8TB cap which he can...

Sorry, I forgot to write about that, all partiton are in NTFS, and I have installed the latest firmware https://www.tp-link.com/pl/support/download/archer-c8/v2/#Firmware

I have a problem with HDD share, router only see 3 out of 4 partition I'm using an Orico DS200U3-EU-BK-BP USB 3.0 HDD Enclosure, there ar two 6TB hdd in it, partition are about 2.7TB each, when it's...