我几乎每天都要这样做。您认为这是由硬件（HDD）错误还是由我的系统（kubuntu 18.04）引起的。可以发现损坏的文件系统吗？
sudo fsck /dev/sda2
fsck from util-linux 2.31.1
e2fsck 1.44.1 (24-Mar-2018)
/dev/sda2: recovering journal
/dev/sda2 contains a file system with errors, check forced.
Pass 1: Checking inodes, blocks, and sizes
Deleted inode 133161 has zero dtime. Fix<y>? yes
Inodes that were part of a corrupted orphan linked list found. Fix<y>? yes
Inode 133162 was part of the orphaned inode list. FIXED.
Inode 133163 was part of the orphaned inode list. FIXED.
Inode 133165 was part of the orphaned inode list. FIXED.
Inode 133175 was part of the orphaned inode list. FIXED.
Inode 133182 was part of the orphaned inode list. FIXED.
Inode 133183 was part of the orphaned inode list. FIXED.
Inode 133186 was part of the orphaned inode list. FIXED.
Inode 133187 was part of the orphaned inode list. FIXED.
Inode 133188 was part of the orphaned inode list. FIXED.
Inode 133189 was part of the orphaned inode list. FIXED.
Inode 133190 was part of the orphaned inode list. FIXED.
Inode 133191 was part of the orphaned inode list. FIXED.
Inode 133192 was part of the orphaned inode list. FIXED.
Inode 133195 was part of the orphaned inode list. FIXED.
Inode 133196 was part of the orphaned inode list. FIXED.
Inode 133197 was part of the orphaned inode list. FIXED.
Inode 133198 was part of the orphaned inode list. FIXED.
Inode 133200 was part of the orphaned inode list. FIXED.
Inode 133201 was part of the orphaned inode list. FIXED.
Inode 133202 was part of the orphaned inode list. FIXED.
Inode 133203 was part of the orphaned inode list. FIXED.
Inode 133224 was part of the orphaned inode list. FIXED.
Inode 133251 was part of the orphaned inode list. FIXED.
Inode 135285 was part of the orphaned inode list. FIXED.
Inode 135761 was part of the orphaned inode list. FIXED.
Inode 135942 was part of the orphaned inode list. FIXED.
Inode 145211 was part of the orphaned inode list. FIXED.
Deleted inode 471569 has zero dtime. Fix<y>? yes
Inode 471570 passes checks, but checksum does not match inode. Fix<y>? yes
Inode 471571 was part of the orphaned inode list. FIXED.
Inode 471572 seems to contain garbage. Clear<y>? yes
Inode 471573 seems to contain garbage. Clear<y>? yes
Inode 471574 seems to contain garbage. Clear<y>? yes
Inode 471575 seems to contain garbage. Clear<y>? yes
Inode 471576 seems to contain garbage. Clear<y>? yes
Inode 471577 seems to contain garbage. Clear ('a' enables 'yes' to all) <y>? yes to all
Inode 471578 passes checks, but checksum does not match inode. Fix? yes
Inode 471579 was part of the orphaned inode list. FIXED.
Inode 471580 seems to contain garbage. Clear? yes
Deleted inode 471581 has zero dtime. Fix? yes
Inode 471582 seems to contain garbage. Clear? yes
Inode 471583 seems to contain garbage. Clear? yes
Inode 471584 seems to contain garbage. Clear? yes
Inode 524293 was part of the orphaned inode list. FIXED.
Pass 2: Checking directory structure
Entry 'ssif.h' in /usr/src/linux-headers-4.15.0-45-generic/include/config/ipmi (471560) has deleted/unused inode 471570. Clear? yes
Entry 'si.h' in /usr/src/linux-headers-4.15.0-45-generic/include/config/ipmi (471560) has deleted/unused inode 471569. Clear? yes
Entry 'watchdog.h' in /usr/src/linux-headers-4.15.0-45-generic/include/config/ipmi (471560) has deleted/unused inode 471571. Clear? yes
Entry '..' in <471574>/<471585> (471585) has deleted/unused inode 471574. Clear? yes
Entry '..' in <471574>/<471587> (471587) has deleted/unused inode 471574. Clear? yes
Entry '..' in <471574>/<471589> (471589) has deleted/unused inode 471574. Clear? yes
Entry '..' in <471574>/<471591> (471591) has deleted/unused inode 471574. Clear? yes
Entry '..' in <471574>/<471593> (471593) has deleted/unused inode 471574. Clear? yes
Entry '..' in <471574>/<471595> (471595) has deleted/unused inode 471574. Clear? yes
Entry '..' in <471574>/<471598> (471598) has deleted/unused inode 471574. Clear? yes
Entry 'ippp' in /usr/src/linux-headers-4.15.0-45-generic/include/config (164390) has deleted/unused inode 471572. Clear? yes
Entry 'ipv6' in /usr/src/linux-headers-4.15.0-45-generic/include/config (164390) has deleted/unused inode 471574. Clear? yes
Pass 3: Checking directory connectivity
Unconnected directory inode 471585 (...)
Connect to /lost+found? yes
Unconnected directory inode 471587 (...)
Connect to /lost+found? yes
Unconnected directory inode 471589 (...)
Connect to /lost+found? yes
Unconnected directory inode 471591 (...)
Connect to /lost+found? yes
Unconnected directory inode 471593 (...)
Connect to /lost+found? yes
Unconnected directory inode 471595 (...)
Connect to /lost+found? yes
Unconnected directory inode 471598 (...)
Connect to /lost+found? yes
Pass 4: Checking reference counts
Inode 133266 ref count is 1, should be 2. Fix? yes
Inode 145410 ref count is 2, should be 1. Fix? yes
Inode 164390 ref count is 905, should be 903. Fix? yes
Inode 471585 ref count is 3, should be 2. Fix? yes
Inode 471587 ref count is 3, should be 2. Fix? yes
Inode 471589 ref count is 3, should be 2. Fix? yes
Inode 471591 ref count is 3, should be 2. Fix? yes
Inode 471593 ref count is 3, should be 2. Fix? yes
Inode 471595 ref count is 3, should be 2. Fix? yes
Inode 471598 ref count is 3, should be 2. Fix? yes
Unattached zero-length inode 471600. Clear? yes
Unattached zero-length inode 471601. Clear? yes
Unattached zero-length inode 471602. Clear? yes
Unattached zero-length inode 471603. Clear? yes
Pass 5: Checking group summary information
Block bitmap differences: -(635346--635354) -(636151--636157) -(636180--636189) -(636611--636615) -(1093705--1093707) -(1397248--1397688) -(1702912--1703066) -(1703424--1703709) -(1708032--1712127) -(1714176--1716223) -(1720320--1724244) -(1724288--1724339) -(1724736--1724769) -(1724800--1724926) -(1725440--1725656) -(1725696--1725753) -(1725824--1725885) -(1725952--1726102) -(1726144--1726190) -(1726208--1726337) -(1726400--1726438) -(1726464--1726548) -(1728512--1756317) -(1757184--1761352) -(1761408--1761510) -(2679296--2680042) -(2681856--2682367) -(2682880--2683114) -(2820096--2822143) -(2854912--2856959) -(2865152--2873343) -(2918400--2919937) -(7902750--7902754)
Fix? yes
Free blocks count wrong for group #19 (10210, counted=10241).
Fix? yes
Free blocks count wrong for group #33 (25660, counted=25663).
Fix? yes
Free blocks count wrong for group #42 (12096, counted=12537).
Fix? yes
Free blocks count wrong for group #51 (7200, counted=7641).
Fix? yes
Free blocks count wrong for group #52 (5347, counted=24610).
Fix? yes
Free blocks count wrong for group #53 (7975, counted=31861).
Fix? yes
Free blocks count wrong for group #81 (7351, counted=8845).
Fix? yes
Free blocks count wrong for group #86 (3339, counted=5387).
Fix? yes
Free blocks count wrong for group #87 (9328, counted=19568).
Fix? yes
Free blocks count wrong for group #89 (26471, counted=28009).
Fix? yes
Free blocks count wrong for group #241 (20173, counted=20178).
Fix? yes
Free blocks count wrong (6607648, counted=6665979).
Fix? yes
Inode bitmap differences: -(133161--133163) -133165 -133175 -(133182--133183) -(133186--133192) -(133195--133198) -(133200--133203) -133224 -133251 -135285 -135761 -135942 -145211 -(471569--471584) -524293
Fix? yes
Free inodes count wrong for group #16 (3370, counted=3397).
Fix? yes
Free inodes count wrong for group #17 (4960, counted=4961).
Fix? yes
Free inodes count wrong for group #57 (5, counted=21).
Fix? yes
Directories count wrong for group #57 (2526, counted=2521).
Fix? yes
Free inodes count wrong for group #64 (4934, counted=4935).
Fix? yes
Free inodes count wrong (2217552, counted=2217823).
Fix? yes
/dev/sda2: ***** FILE SYSTEM WAS MODIFIED *****
/dev/sda2: ***** REBOOT SYSTEM *****
/dev/sda2: 346273/2564096 files (0.2% non-contiguous), 3574021/10240000 blocks