[tom@~]$sudo fsck.ext4 -v -n /dev/sdb2 e2fsck 1.42 (29-Nov-2011) rootfs contains a file system with errors, check forced. Pass 1: Checking inodes, blocks, and sizes Running additional passes to resolve blocks claimed by more than one inode... Pass 1B: Rescanning for multiply-claimed blocks Multiply-claimed block(s) in inode 1231: 589988 589989 589990 589991 Multiply-claimed block(s) in inode 131359: 589988 589989 589990 589991 Multiply-claimed block(s) in inode 131423: 1082148 Multiply-claimed block(s) in inode 131424: 1056825 Multiply-claimed block(s) in inode 131552: 591167 591168 591169 591170 591171 591172 591173 591174 591175 591176 591177 591178 591179 591180 591181 591182 591183 591184 591185 591186 591187 591188 591189 591190 591191 591192 591193 591194 591195 591196 591197 591198 591199 591200 591201 591202 591203 591204 591205 591206 591207 591208 591209 591210 591211 Multiply-claimed block(s) in inode 134672: 697812 697813 697814 697815 697816 697817 697818 697819 697820 697821 Multiply-claimed block(s) in inode 262703: 1082148 Multiply-claimed block(s) in inode 262704: 1056825 Multiply-claimed block(s) in inode 262751: 1056835 Multiply-claimed block(s) in inode 262752: 1082186 Multiply-claimed block(s) in inode 263040: 591167 591168 591169 591170 591171 591172 591173 591174 591175 591176 591177 591178 591179 591180 591181 591182 591183 591184 591185 591186 591187 591188 591189 591190 591191 591192 591193 591194 591195 591196 591197 591198 591199 591200 591201 591202 591203 591204 591205 591206 591207 591208 591209 591210 591211 Multiply-claimed block(s) in inode 263103: 1056835 Multiply-claimed block(s) in inode 263104: 1082186 Multiply-claimed block(s) in inode 396943: 1615002 1615003 Multiply-claimed block(s) in inode 396944: 1615004 1615005 1615006 1615007 1615008 1615009 Multiply-claimed block(s) in inode 397023: 1615002 1615003 Multiply-claimed block(s) in inode 397024: 1615004 1615005 1615006 1615007 1615008 1615009 Multiply-claimed block(s) in inode 397312: 697812 697813 697814 697815 697816 697817 697818 697819 697820 697821 Pass 1C: Scanning directories for inodes with multiply-claimed blocks Pass 1D: Reconciling multiply-claimed blocks (There are 18 inodes containing multiply-claimed blocks.) File /home/root/bin/test/perf_event_tests-0.24/papi/papi_fp_ops.c (inode #1231, mod time Wed Sep 8 18:04:15 2010) has 4 multiply-claimed block(s), shared with 1 file(s): /bin/kill.procps (inode #131359, mod time Wed Sep 8 18:04:15 2010) Clone multiply-claimed blocks? no Delete file? no File /bin/kill.procps (inode #131359, mod time Wed Sep 8 18:04:15 2010) has 4 multiply-claimed block(s), shared with 1 file(s): /home/root/bin/test/perf_event_tests-0.24/papi/papi_fp_ops.c (inode #1231, mod time Wed Sep 8 18:04:15 2010) Clone multiply-claimed blocks? no Delete file? no File /bin/true (inode #131423, mod time Thu Oct 28 19:33:39 2010) has 1 multiply-claimed block(s), shared with 1 file(s): /etc/network/options (inode #262703, mod time Thu Oct 28 19:33:39 2010) Clone multiply-claimed blocks? no Delete file? no File /bin/ln.coreutils (inode #131424, mod time Sat Jan 1 08:04:46 2000) has 1 multiply-claimed block(s), shared with 1 file(s): /etc/network/run (inode #262704, mod time Sat Jan 1 08:05:46 2000) Clone multiply-claimed blocks? no Delete file? no File /lib/libcidn-2.9.so (inode #131552, mod time Sat Oct 2 08:20:57 2010) has 45 multiply-claimed block(s), shared with 1 file(s): /etc/init.d/reboot (inode #263040, mod time Sat Oct 2 08:20:57 2010) Clone multiply-claimed blocks? no Delete file? no File /lib/libudev.so.0.6.1 (inode #134672, mod time Sat Oct 30 17:21:36 2010) has 10 multiply-claimed block(s), shared with 1 file(s): /usr/lib/libxcb-screensaver.so.0 (inode #397312, mod time Sat Oct 30 17:21:36 2010) Clone multiply-claimed blocks? no Delete file? no File /etc/network/options (inode #262703, mod time Thu Oct 28 19:33:39 2010) has 1 multiply-claimed block(s), shared with 1 file(s): /bin/true (inode #131423, mod time Thu Oct 28 19:33:39 2010) Clone multiply-claimed blocks? no Delete file? no File /etc/network/run (inode #262704, mod time Sat Jan 1 08:05:46 2000) has 1 multiply-claimed block(s), shared with 1 file(s): /bin/ln.coreutils (inode #131424, mod time Sat Jan 1 08:04:46 2000) Clone multiply-claimed blocks? no Delete file? no File /etc/iproute2 (inode #262751, mod time Tue Nov 2 19:17:20 2010) has 1 multiply-claimed block(s), shared with 1 file(s): /lib/modules/3.4.0-rc5+/kernel/drivers/net/usb/usbnet.ko (inode #263103, mod time Tue Nov 2 19:17:20 2010) Clone multiply-claimed blocks? no Delete file? no File /etc/iproute2/rt_dsfield (inode #262752, mod time Thu Sep 9 19:16:08 2010) has 1 multiply-claimed block(s), shared with 1 file(s): /lib/modules/3.4.0-rc5+/kernel/drivers/net/usb/net1080.ko (inode #263104, mod time Thu Sep 9 19:16:08 2010) Clone multiply-claimed blocks? no Delete file? no File /etc/init.d/reboot (inode #263040, mod time Sat Oct 2 08:20:57 2010) has 45 multiply-claimed block(s), shared with 1 file(s): /lib/libcidn-2.9.so (inode #131552, mod time Sat Oct 2 08:20:57 2010) Clone multiply-claimed blocks? no Delete file? no File /lib/modules/3.4.0-rc5+/kernel/drivers/net/usb/usbnet.ko (inode #263103, mod time Tue Nov 2 19:17:20 2010) has 1 multiply-claimed block(s), shared with 1 file(s): /etc/iproute2 (inode #262751, mod time Tue Nov 2 19:17:20 2010) Clone multiply-claimed blocks? no Delete file? no File /lib/modules/3.4.0-rc5+/kernel/drivers/net/usb/net1080.ko (inode #263104, mod time Thu Sep 9 19:16:08 2010) has 1 multiply-claimed block(s), shared with 1 file(s): /etc/iproute2/rt_dsfield (inode #262752, mod time Thu Sep 9 19:16:08 2010) Clone multiply-claimed blocks? no Delete file? no File /usr/bin/setkeycodes (inode #396943, mod time Thu Sep 9 19:18:44 2010) has 2 multiply-claimed block(s), shared with 1 file(s): /usr/bin/sensible-pager (inode #397023, mod time Thu Sep 9 19:18:44 2010) Clone multiply-claimed blocks? no Delete file? no File /usr/bin/dirname.coreutils (inode #396944, mod time Wed Dec 15 05:19:56 2010) has 6 multiply-claimed block(s), shared with 1 file(s): /usr/bin/git-receive-pack (inode #397024, mod time Wed Dec 15 05:19:56 2010) Clone multiply-claimed blocks? no Delete file? no File /usr/bin/sensible-pager (inode #397023, mod time Thu Sep 9 19:18:44 2010) has 2 multiply-claimed block(s), shared with 1 file(s): /usr/bin/setkeycodes (inode #396943, mod time Thu Sep 9 19:18:44 2010) Clone multiply-claimed blocks? no Delete file? no File /usr/bin/git-receive-pack (inode #397024, mod time Wed Dec 15 05:19:56 2010) has 6 multiply-claimed block(s), shared with 1 file(s): /usr/bin/dirname.coreutils (inode #396944, mod time Wed Dec 15 05:19:56 2010) Clone multiply-claimed blocks? no Delete file? no File /usr/lib/libxcb-screensaver.so.0 (inode #397312, mod time Sat Oct 30 17:21:36 2010) has 10 multiply-claimed block(s), shared with 1 file(s): /lib/libudev.so.0.6.1 (inode #134672, mod time Sat Oct 30 17:21:36 2010) Clone multiply-claimed blocks? no Delete file? no Pass 2: Checking directory structure Entry 'papi_l1_tch.c' in /home/root/bin/test/perf_event_tests-0.24/papi (1223) has an incorrect filetype (was 1, should be 7). Fix? no Entry 'true' in /bin (131329) has an incorrect filetype (was 7, should be 1). Fix? no Entry 'ln.coreutils' in /bin (131329) has an incorrect filetype (was 1, should be 2). Fix? no Invalid inode number for '.' in directory inode 131424. Fix? no Invalid inode number for '.' in directory inode 263103. Fix? no Entry 'rcS' in /etc/init.d (263027) has an incorrect filetype (was 1, should be 7). Fix? no Entry 'usbnet.ko' in /lib/modules/3.4.0-rc5+/kernel/drivers/net/usb (263100) has an incorrect filetype (was 1, should be 2). Fix? no Entry 'git-receive-pack' in /usr/bin (396673) has an incorrect filetype (was 7, should be 1). Fix? no Entry 'sensible-pager' in /usr/bin (396673) has an incorrect filetype (was 7, should be 1). Fix? no Entry 'libxcb-screensaver.so.0' in /usr/lib (397295) has an incorrect filetype (was 7, should be 1). Fix? no Pass 3: Checking directory connectivity '..' in /bin/ln.coreutils (131424) is /etc/network (262694), should be /bin (131329). Fix? no '..' in /lib/modules/3.4.0-rc5+/kernel/drivers/net/usb/usbnet.ko (263103) is /etc (262662), should be /lib/modules/3.4.0-rc5+/kernel/drivers/net/usb (263100). Fix? no Pass 4: Checking reference counts Inode 131424 ref count is 2, should be 1. Fix? no Inode 131567 ref count is 36, should be 37. Fix? no Inode 262662 ref count is 33, should be 34. Fix? no Inode 262694 ref count is 7, should be 8. Fix? no Inode 262704 ref count is 2, should be 3. Fix? no Inode 262705 ref count is 1, should be 2. Fix? no Inode 262751 ref count is 2, should be 3. Fix? no Inode 262752 ref count is 1, should be 2. Fix? no Inode 262753 ref count is 1, should be 2. Fix? no Inode 262754 ref count is 1, should be 2. Fix? no Inode 262755 ref count is 1, should be 2. Fix? no Inode 262756 ref count is 1, should be 2. Fix? no Inode 262757 ref count is 1, should be 2. Fix? no Inode 263103 ref count is 2, should be 1. Fix? no Pass 5: Checking group summary information Block bitmap differences: -(96426--96427) -96948 -(590388--590399) -(1082428--1082429) -(1082567--1082679) Fix? no Free blocks count wrong for group #2 (1, counted=0). Fix? no Free blocks count wrong (1468255, counted=1468254). Fix? no Directories count wrong for group #16 (863, counted=864). Fix? no Directories count wrong for group #32 (1111, counted=1112). Fix? no rootfs: ********** WARNING: Filesystem still has errors ********** 31403 inodes used (6.48%) 14 non-contiguous files (0.0%) 6 non-contiguous directories (0.0%) # of inodes with ind/dind/tind blocks: 0/0/0 Extent depth histogram: 30306/1 465057 blocks used (24.05%) 0 bad blocks 1 large file 27009 regular files 3131 directories 33 character device files 36 block device files 2 fifos 7 links 1183 symbolic links (1017 fast symbolic links) 0 sockets -------- 31401 files