IL Ka composed on 2021-03-18 18:40 (UTC+0300): >> This old alignment usually only reduces performance on a 4k sector HDD.
> Here is output from topic starter's fdisk: ... > Sector size (logical/physical): 512 bytes / 4096 bytes > I/O size (minimum/optimal): 4096 bytes / 4096 bytes > Device Boot Start End Sectors Size Id Type > /dev/sda1 63 1953520456 1953520394 931.5G 7 HPFS/NTFS/exFAT > === >>4096 >>63 > It seems that we have an unaligned advanced format here, isn't it? Textbook case. Expect noticeably reduced write performance degradation, nominal read performance degradation, and complaints from partitioning tools. -- Evolution as taught in public schools, like religion, is based on faith, not on science. Team OS/2 ** Reg. Linux User #211409 ** a11y rocks! Felix Miata *** http://fm.no-ip.com/