Hi guys, I would need one more help from you before I can do that things by myself. I have a different machine that runs windows and inside Vmware Fusion 15. Inside runs as well Suse 15.1. The linux operating system is on a 1TB virtual hard disk with following setup: Disk /dev/sdb: 1000 GiB, 1073741824000 bytes, 2097152000 sectors Disk model: VMware Virtual S 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: 186C0CD6-F3B8-471C-B2AF-AE3D325EC215 Device Start End Sectors Size Type /dev/sdb1 2048 18431 16384 8M BIOS boot /dev/sdb2 18432 1920520191 1920501760 915.8G Linux filesystem /dev/sdb3 2082992128 2097149951 14157824 6.8G Linux filesystem The OS is on /dev/sdb2 but it does not boot any more (stays at grub_rescue). What can I do now to repair it? root@ubuntu:~# btrfs ins dump-tree -t root /dev/sdb2 btrfs-progs v5.2.1 parent transid verify failed on 72980660224 wanted 652165 found 652163 parent transid verify failed on 72980660224 wanted 652165 found 652163 Ignoring transid failure leaf parent key incorrect 72980660224 Couldn't setup extent tree parent transid verify failed on 72980660224 wanted 652165 found 652163 Ignoring transid failure leaf parent key incorrect 72980660224 Couldn't setup device tree ERROR: unable to open /dev/sdb2 root@ubuntu:~# btrfs ins dump-s /dev/sdb2 superblock: bytenr=65536, device=/dev/sdb2 --------------------------------------------------------- csum_type 0 (crc32c) csum_size 4 csum 0xd35229e5 [match] bytenr 65536 flags 0x1 ( WRITTEN ) magic _BHRfS_M [match] fsid affdbdfa-7b54-4888-b6e9-951da79540a3 metadata_uuid affdbdfa-7b54-4888-b6e9-951da79540a3 label generation 652165 root 72978268160 sys_array_size 97 chunk_root_generation 649961 root_level 1 chunk_root 1265374330880 chunk_root_level 1 log_root 0 log_root_transid 0 log_root_level 0 total_bytes 983296901120 bytes_used 504341774336 sectorsize 4096 nodesize 16384 leafsize (deprecated) 16384 stripesize 4096 root_dir 6 num_devices 1 compat_flags 0x0 compat_ro_flags 0x0 incompat_flags 0x163 ( MIXED_BACKREF | DEFAULT_SUBVOL | BIG_METADATA | EXTENDED_IREF | SKINNY_METADATA ) cache_generation 652165 uuid_tree_generation 557352 dev_item.uuid 8968cd08-0c45-4aff-ab64-65f979b21694 dev_item.fsid affdbdfa-7b54-4888-b6e9-951da79540a3 [match] dev_item.type 0 dev_item.total_bytes 983296901120 dev_item.bytes_used 507877785600 dev_item.io_align 4096 dev_item.io_width 4096 dev_item.sector_size 4096 dev_item.devid 1 dev_item.dev_group 0 dev_item.seek_speed 0 dev_item.bandwidth 0 dev_item.generation 0 Where can I find default repair methods? Thanks, Chris
