Dear Kim , Regarding the question:
"Hmm, # of valid blocks is 0, which is really impossible. Do you have original backed up image? I think at some point the image was overwritten when fsck.f2fs tried to fix. " I do have the original dump raw image. Please advice actions to assist in recovering it. I did a dd to an external drive, and from where i tried unsuccessful so far. I use the following command sudo dd if=mmcblk0p49.raw bs=512 oflag=sync status=progress of=/dev/sda1 mmcblk0p49.raw is the backup partitioned. Thanks in advance Stephanos M. On 11/26/19, Jaegeuk Kim <jaeg...@kernel.org> wrote: > On 11/26, Stephanos Mallouris wrote: >> Dear Kim, >> >> Thanks for getting back to me. >> >> I executed the command fsck.f2fs -d 3 -f /dev/sdc1 >> and it gave me the following information: >> >> Info: Debug level = 3 >> Info: Force to fix corruption >> Info: sector size = 512 >> Info: total sectors = 22310913 (10894 MB) >> Info: MKFS version >> "Linux version 4.1.46-EliteKernelReborn-v5+ (hassanmirza01@ubuntu) >> (gcc version 4.9 20150123 (prerelease) (GCC) ) #1 SMP PREEMPT Fri Jan >> 19 17:16:04 PKT 2018" >> Info: FSCK version >> from "Linux version 4.4.0-169-generic (buildd@lgw01-amd64-022) (gcc >> version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #198-Ubuntu >> SMP Tue Nov 12 10:34:23 UTC 2019" >> to "Linux version 4.4.0-169-generic (buildd@lgw01-amd64-022) (gcc >> version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #198-Ubuntu >> SMP Tue Nov 12 10:34:23 UTC 2019" >> Info: superblock features = 0 : >> Info: superblock encrypt level = 0, salt = >> 00000000000000000000000000000000 >> >> +--------------------------------------------------------+ >> | Super block | >> +--------------------------------------------------------+ >> magic [0xf2f52010 : 4076150800] >> major_ver [0x 1 : 1] >> volum_name [] >> minor_ver [0x 7 : 7] >> log_sectorsize [0x 9 : 9] >> log_sectors_per_block [0x 3 : 3] >> log_blocksize [0x c : 12] >> log_blocks_per_seg [0x 9 : 9] >> segs_per_sec [0x 1 : 1] >> secs_per_zone [0x 1 : 1] >> checksum_offset [0x 0 : 0] >> block_count [0x 2a8e00 : 2788864] >> section_count [0x 151f : 5407] >> segment_count [0x 1546 : 5446] >> segment_count_ckpt [0x 2 : 2] >> segment_count_sit [0x 2 : 2] >> segment_count_nat [0x 18 : 24] >> segment_count_ssa [0x b : 11] >> segment_count_main [0x 151f : 5407] >> segment0_blkaddr [0x 200 : 512] >> cp_blkaddr [0x 200 : 512] >> sit_blkaddr [0x 600 : 1536] >> nat_blkaddr [0x a00 : 2560] >> ssa_blkaddr [0x 3a00 : 14848] >> main_blkaddr [0x 5000 : 20480] >> root_ino [0x 3 : 3] >> node_ino [0x 1 : 1] >> meta_ino [0x 2 : 2] >> cp_payload [0x 0 : 0] >> version Linux version 4.4.0-169-generic >> (buildd@lgw01-amd64-022) (gcc version 5.4.0 20160609 (Ubuntu >> 5.4.0-6ubuntu1~16.04.12) ) #198-Ubuntu SMP Tue Nov 12 10:34:23 UTC >> 2019 >> Info: total FS sectors = 22310912 (10894 MB) >> Info: CKPT version = 1307e4 >> >> +--------------------------------------------------------+ >> | Checkpoint | >> +--------------------------------------------------------+ >> checkpoint_ver [0x 1307e4 : 1247204] >> user_block_count [0x 289400 : 2659328] >> valid_block_count [0x 0 : 0] > > Hmm, # of valid blocks is 0, which is really impossible. > Do you have original backed up image? I think at some point the image > was overwritten when fsck.f2fs tried to fix. > >> rsvd_segment_count [0x 70 : 112] >> overprov_segment_count [0x d5 : 213] >> free_segment_count [0x 1519 : 5401] >> alloc_type[CURSEG_HOT_NODE] [0x 1 : 1] >> alloc_type[CURSEG_WARM_NODE] [0x 1 : 1] >> alloc_type[CURSEG_COLD_NODE] [0x 1 : 1] >> cur_node_segno[0] [0x 3 : 3] >> cur_node_segno[1] [0x 4 : 4] >> cur_node_segno[2] [0x 5 : 5] >> cur_node_blkoff[0] [0x 0 : 0] >> cur_node_blkoff[1] [0x 0 : 0] >> cur_node_blkoff[2] [0x 0 : 0] >> alloc_type[CURSEG_HOT_DATA] [0x 1 : 1] >> alloc_type[CURSEG_WARM_DATA] [0x 1 : 1] >> alloc_type[CURSEG_COLD_DATA] [0x 1 : 1] >> cur_data_segno[0] [0x 0 : 0] >> cur_data_segno[1] [0x 1 : 1] >> cur_data_segno[2] [0x 2 : 2] >> cur_data_blkoff[0] [0x 0 : 0] >> cur_data_blkoff[1] [0x 0 : 0] >> cur_data_blkoff[2] [0x 0 : 0] >> ckpt_flags [0x 1 : 1] >> cp_pack_total_block_count [0x 8 : 8] >> cp_pack_start_sum [0x 1 : 1] >> valid_node_count [0x 0 : 0] >> valid_inode_count [0x 0 : 0] >> next_free_nid [0x 14105 : 82181] >> sit_ver_bitmap_bytesize [0x 40 : 64] >> nat_ver_bitmap_bytesize [0x 300 : 768] >> checksum_offset [0x ffc : 4092] >> elapsed_time [0x 167a468 : 23569512] >> sit_nat_version_bitmap[0] [0x 79 : 121] >> >> >> [lookup_nat_in_journal:1515] ==> Found nid [0x4bb2] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x6ba0] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x783c] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0xa0ec] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0xab88] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0xadcd] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0xb19c] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0xb431] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0xb8f4] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0xbf40] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0xce28] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0xd299] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0xd56c] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0xd8d3] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0xe527] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0xe67d] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0xf88c] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0xfc96] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x10271] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x111d6] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x1154e] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x11b66] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x1271e] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x12abc] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x1339b] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x137d2] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x139ae] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x14363] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x146a2] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x151a3] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x151da] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x15580] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x15744] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x158eb] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x16030] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x1632b] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x16722] in nat cache >> [lookup_nat_in_journal:1515] ==> Found nid [0x16c38] in nat cache >> [build_nat_area_bitmap:1718] valid nat entries (block_addr != 0x0) [0x >> 0 : 0] >> [build_sit_area_bitmap:1214] Blocks [0x0 : 0] Free Segs [0x1519 : 5401] >> >> Info: checkpoint state = 1 : unmount >> [ASSERT] (sanity_check_nid: 362) --> nid[0x3] ino is 0 >> >> [FSCK] Unreachable nat entries [Ok..] [0x0] >> [FSCK] SIT valid block bitmap checking [Ok..] >> [FSCK] Hard link checking for regular file [Ok..] [0x0] >> [FSCK] valid_block_count matching with CP [Ok..] [0x0] >> [FSCK] valid_node_count matcing with CP (de lookup) [Ok..] [0x0] >> [FSCK] valid_node_count matcing with CP (nat lookup) [Ok..] [0x0] >> [FSCK] valid_inode_count matched with CP [Ok..] [0x0] >> [FSCK] free segment_count matched with CP [Ok..] [0x1519] >> [FSCK] next block offset is free [Ok..] >> [FSCK] fixing SIT types >> [FSCK] other corrupted bugs [Fail] >> [move_curseg_info:1471] Move curseg[0] 0 -> 0 after 5000 >> [move_curseg_info:1471] Move curseg[1] 1 -> 1 after 5000 >> [move_curseg_info:1471] Move curseg[2] 2 -> 2 after 5000 >> [move_curseg_info:1471] Move curseg[3] 3 -> 3 after 5000 >> [move_curseg_info:1471] Move curseg[4] 4 -> 4 after 5000 >> [move_curseg_info:1471] Move curseg[5] 5 -> 5 after 5000 >> >> Done. >> >> >> It still give the same error trying to mount the partiotion. >> [57765.609319] F2FS-fs (sdc1): Failed to read root inode >> [57765.651048] F2FS-fs (sdc1): Failed to read root inode >> [58015.507861] F2FS-fs (sdc1): Failed to read root inode >> [58015.563422] F2FS-fs (sdc1): Failed to read root inode >> >> Please advice and assist if possible. >> >> Kindest Regards, >> >> Stephanos Mallouris >> >> On 11/25/19, Jaegeuk Kim <jaeg...@kernel.org> wrote: >> > Hi, >> > >> > On 11/22, Stephanos Mallouris wrote: >> >> Dear all, >> >> >> >> I have backup my f2fs android partition via netcat and adb. >> >> After loosing the original partition, tried to restore it on a local >> >> drive and access it via linux but i am encountering the following >> >> issues: >> >> >> >> A. trying the command >> >> >> >> sudo mount -t f2fs /dev/sdc1 /mnt >> >> >> >> gives the following error >> >> >> >> F2FS-fs (sdc1): Failed to read root inode >> >> >> >> B1. Tried to fsck the file system , see bellow: >> >> >> >> sudo fsck.f2fs -a /dev/sdc1 >> >> >> >> result: >> >> >> >> Info: Fix the reported corruption. >> >> Info: sector size = 512 >> >> Info: total sectors = 22310913 (10894 MB) >> >> Info: MKFS version >> >> "Linux version 4.1.46-EliteKernelReborn-v5+ (hassanmirza01@ubuntu) >> >> (gcc version 4.9 20150123 (prerelease) (GCC) ) #1 SMP PREEMPT Fri Jan >> >> 19 17:16:04 PKT 2018" >> >> Info: FSCK version >> >> from "Linux version 4.4.0-169-generic (buildd@lgw01-amd64-022) (gcc >> >> version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #198-Ubuntu >> >> SMP Tue Nov 12 10:34:23 UTC 2019" >> >> to "Linux version 4.4.0-169-generic (buildd@lgw01-amd64-022) (gcc >> >> version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #198-Ubuntu >> >> SMP Tue Nov 12 10:34:23 UTC 2019" >> >> Info: superblock features = 0 : >> >> Info: superblock encrypt level = 0, salt = >> >> 00000000000000000000000000000000 >> >> Info: total FS sectors = 22310912 (10894 MB) >> >> Info: CKPT version = 1307e4 >> >> Info: No error was reported >> >> >> >> Still unable to mount the partiotion , gives the same error. >> >> >> >> B2. Tried >> >> sudo fsck.f2fs -f /dev/sdc1 >> > >> > Could you try: fsck.f2fs -d 3 -f /dev/sdc1? >> > It seems you didn't back up the entire partition which is missing root >> > inode >> > block. >> > >> > Thanks, >> > >> >> >> >> result >> >> >> >> Info: Force to fix corruption >> >> Info: sector size = 512 >> >> Info: total sectors = 22310913 (10894 MB) >> >> Info: MKFS version >> >> "Linux version 4.1.46-EliteKernelReborn-v5+ (hassanmirza01@ubuntu) >> >> (gcc version 4.9 20150123 (prerelease) (GCC) ) #1 SMP PREEMPT Fri Jan >> >> 19 17:16:04 PKT 2018" >> >> Info: FSCK version >> >> from "Linux version 4.4.0-169-generic (buildd@lgw01-amd64-022) (gcc >> >> version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #198-Ubuntu >> >> SMP Tue Nov 12 10:34:23 UTC 2019" >> >> to "Linux version 4.4.0-169-generic (buildd@lgw01-amd64-022) (gcc >> >> version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) ) #198-Ubuntu >> >> SMP Tue Nov 12 10:34:23 UTC 2019" >> >> Info: superblock features = 0 : >> >> Info: superblock encrypt level = 0, salt = >> >> 00000000000000000000000000000000 >> >> Info: total FS sectors = 22310912 (10894 MB) >> >> Info: CKPT version = 1307e4 >> >> Info: checkpoint state = 1 : unmount >> >> [ASSERT] (sanity_check_nid: 362) --> nid[0x3] ino is 0 >> >> >> >> [FSCK] Unreachable nat entries [Ok..] [0x0] >> >> [FSCK] SIT valid block bitmap checking [Ok..] >> >> [FSCK] Hard link checking for regular file [Ok..] [0x0] >> >> [FSCK] valid_block_count matching with CP [Ok..] [0x0] >> >> [FSCK] valid_node_count matcing with CP (de lookup) [Ok..] [0x0] >> >> [FSCK] valid_node_count matcing with CP (nat lookup) [Ok..] [0x0] >> >> [FSCK] valid_inode_count matched with CP [Ok..] [0x0] >> >> [FSCK] free segment_count matched with CP [Ok..] [0x1519] >> >> [FSCK] next block offset is free [Ok..] >> >> [FSCK] fixing SIT types >> >> [FSCK] other corrupted bugs [Fail] >> >> [move_curseg_info:1471] Move curseg[0] 0 -> 0 after 5000 >> >> [move_curseg_info:1471] Move curseg[1] 1 -> 1 after 5000 >> >> [move_curseg_info:1471] Move curseg[2] 2 -> 2 after 5000 >> >> [move_curseg_info:1471] Move curseg[3] 3 -> 3 after 5000 >> >> [move_curseg_info:1471] Move curseg[4] 4 -> 4 after 5000 >> >> [move_curseg_info:1471] Move curseg[5] 5 -> 5 after 5000 >> >> >> >> Done. >> >> >> >> >> >> >> >> Trying to mount it , no success, gives >> >> >> >> F2FS-fs (sdc1): Failed to read root inode. >> >> >> >> >> >> Any help or advice will be much appreciated. >> >> Keep up the great work on f2fs. >> >> >> >> Kindest Regards >> >> >> >> Stephanos Mallouris >> >> >> >> >> >> _______________________________________________ >> >> Linux-f2fs-devel mailing list >> >> Linux-f2fs-devel@lists.sourceforge.net >> >> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel >> > > _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
