Ok, how to repair errors on /dev/sdb4 so I can backup (sdb4 it’s the home folder)?? Info and fsck output before ( there is an "ignore filesystem errors’ option but this wouldn’t be good option right!?) :
Disk /dev/sdb: 894.25 GiB, 960197124096 bytes, 1875385008 sectors
Disk model: KINGSTON SA400S3
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 47C32C96-7790-4310-A8C0-CC138AA8E0FA
Device Start End Sectors Size Type
/dev/sdb1 2048 4095 2048 1M BIOS boot
/dev/sdb2 4096 2101247 2097152 1G Linux filesystem
/dev/sdb3 2101248 148901887 146800640 70G Linux filesystem
/dev/sdb4 148901888 1875384319 1726482432 823.3G Linux filesystem
sudo fsck -y /dev/sdb4
fsck from util-linux 2.37.2
e2fsck 1.46.5 (30-Dec-2021)
/dev/sdb4 has unsupported feature(s): FEATURE_C12
e2fsck: Get a newer version of e2fsck!
/dev/sdb4: ********** WARNING: Filesystem still has errors **********"