I’ve already posted about this topic in the forum. I’ll send you some information and link my thread in the forum.
• ZimaOS version: 1.5.4
• Storage layout: 1x system HDD (1TB) + 2x HDD in RAID0 (BTRFS)
• Encrypted folder created in Files
• Large file copy starts normally, then drops to 0 MB/s and never resumes
• Works perfectly outside encrypted folder
• CPU only 10–15%
• No BTRFS or I/O errors in dmesg