Hello, I am just attempting Linux (Ubuntu 16.04) installation on a disk which has few bad sectors. Before installing I arranged partitions on the disk in a way that these bad sectors are in inter-partition space to avoid using it.
When it came to grub installation, one of these bad sectors was attempted to read - this produced errors. From syslogs and strace I saw it is grub-probe which does it - it opens /dev/sda, seeks sector 8954944, attempts to read 56 sectors, gets 48 of them, attempts to read 8 more, gets I/O error, closes it, then opens /dev/sda3, issues fstat(), ioctl(BLKGETSIZE64), ioctl(BLKSSZGET), lseek(512,SEEK_SET), read(512), closes, then again opens /dev/sda, and so on, many times - so the grub installation lasts over 22 hours already. The /dev/sda3 starts at /dev/sda sector 8955000 - so the grub-probe attempts to read 56 sectors just preceding the partition. The Linux is being installed on /dev/sda6; both /dev/sda3 and /dev/sda6 have ext4 filesystem. The only partition marked as active is /dev/sda1. Jerzy Tarasiuk _______________________________________________ Bug-grub mailing list Bug-grub@gnu.org https://lists.gnu.org/mailman/listinfo/bug-grub
