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
