기존 디스크를 마운트하려고 하면 다음 메시지가 나타납니다.
sudo mount -t ext4 /dev/sdc1 /data
mount: wrong fs type, bad option, bad superblock on /dev/sdc1,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
을 보면 dmesg, 나는 얻는다.
[ 707.504050] EXT4-fs (sdc1): group descriptors corrupted!
그런 다음 명령을 실행합니다.
sudo e2fsck -p /dev/sdc1
cloudimg-rootfs: Superblock has an invalid journal (inode 8).
CLEARED.
*** ext3 journal has been deleted - filesystem is now ext2 only ***
cloudimg-rootfs: One or more block group descriptor checksums are invalid. FIXED.
cloudimg-rootfs: Group descriptor 0 checksum is invalid.
cloudimg-rootfs: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
(i.e., without -a or -p options)
sudo fsck.ext4 -v /dev/sdc1
One or more block group descriptor checksums are invalid. Fix<y>? yes
Group descriptor 0 checksum is invalid. FIXED.
Group descriptor 1 checksum is invalid. FIXED.
Group descriptor 2 checksum is invalid. FIXED.
Group descriptor 3 checksum is invalid. FIXED.
Group descriptor 4 checksum is invalid. FIXED.
Group descriptor 5 checksum is invalid. FIXED.
Group descriptor 6 checksum is invalid. FIXED.
Group descriptor 7 checksum is invalid. FIXED.
Group descriptor 8 checksum is invalid. FIXED.
Group descriptor 9 checksum is invalid. FIXED.
Group descriptor 10 checksum is invalid. FIXED.
Group descriptor 11 checksum is invalid. FIXED.
Group descriptor 12 checksum is invalid. FIXED.
Group descriptor 13 checksum is invalid. FIXED.
Group descriptor 14 checksum is invalid. FIXED.
Group descriptor 15 checksum is invalid. FIXED.
Group descriptor 16 checksum is invalid. FIXED.
Group descriptor 17 checksum is invalid. FIXED.
..SKIPPED..
cloudimg-rootfs contains a file system with errors, check forced.
Resize inode not valid. Recreate<y>? yes
Pass 1: Checking inodes, blocks, and sizes
Journal inode is not in use, but contains data. Clear<y>? yes
Pass 2: Checking directory structure
Entry 'backup' in / (2) has invalid inode #: 3932162.
Clear<y>? yes
Entry 'conf' in / (2) has invalid inode #: 3932163.
Clear<y>? yes
Entry 'data' in / (2) has invalid inode #: 3932164.
Clear<y>? yes
Entry 'init' in / (2) has invalid inode #: 3932165.
Clear<y>? yes
Entry 'lib' in / (2) has invalid inode #: 3932166.
Clear<y>? yes
Entry 'log' in / (2) has invalid inode #: 3932167.
Clear<y>? yes
Entry 'script' in / (2) has invalid inode #: 3932168.
Clear<y>? yes
Entry 'site' in / (2) has invalid inode #: 3932169.
Clear<y>? yes
Entry 'tmp' in / (2) has invalid inode #: 3932170.
Clear<y>? yes
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Inode 2 ref count is 12, should be 3. Fix<y>? yes
Pass 5: Checking group summary information
Block bitmap differences: -(89--601) -(603--1024) -9254 -(32857--33792) -(34816--98303) -(98393--99328) -(100352--163839) -(163929--164864) -(165888--229375) -(229465--230400) -(231424--294911) -(295001--295936) -(296960--524287) -(557056--819199) -(819289--820224) -(821248--884735) -(884825--885760) -(886784--1048575) -(1081344--1572863) -(1605721--1606656) -(1607680--1641853) -(1641984--1658367) -(1658880--1702655) -(1702912--1726975) -(1727488--1738239) -(1738752--1991679) -(1992704--2055679) -(2056192--2061567) -(2062336--2082303) -(2082816--2097151) -(2129920--2452991) -(2453504--2480383) -(2482176--2517503) -(2519040--2580735) -(2580992--2581503) -(2582528--2621439) -(2654297--2655232) -(2656256--2713343) -(2713600--2723327) -(2723840--2735103) -(2736128--2743295) -(2744320--2745855) -(2746368--2760447) -(2760704--2765567) -(2766848--2804991) -(2805760--2837503) -(2838528--2842367) -(2842624--2893055) -(2893312--2909439) -(2910208--3013631) -(3014656--3145727) -(3178496--3417343) -(3417600--3437055) -(3438592--3442175) -(3442688--3454463) -(3454976--3670015) -(3702784--3775743) -(3776000--3897599) -(3899392--3902207) -(3902464--3922687) -(3923968--3937279) -(3938304--3993855) -(3995648--4011775) -(4012032--4043519) -(4043776--4044287) -(4044800--4065023) -(4065280--4068863) -(4069376--4074495) -(4075520--4089599) -(4089856--4095999) -(4096089--4099840) -(4100096--4119295) -(4120576--4124415) -(4124672--4179199) -(4179968--4185599) -(4186112--4192511) -(4193280--4194303) -(4227072--4229375) -(4230144--4273407) -(4274176--4301567) -(4301824--4318207) -(4319232--4380927) -(4381184--4381695) -(4382720--4426495) -(4426752--4460031) -(4460544--4563455) -(4563968--4625919) -(4626432--4718591) -(4751360--4840191) -(4841472--4862463) -(4862976--4878079) -(4878336--5086463) -(5086720--5110783) -(5111808--5158399) -(5158912--5204991) -(5206016--5218047) -(5218304--5231615) -(5232640--5242879) -(5275648--5383167) -(5384192--5451519) -(5451776--5457407) -(5457920--5471231) -(5472256--5474815) -(5476352--5484031) -(5484544--5512235) -(5513216--5583359) -(5583872--5670143) -(5670400--5685759) -(5686272--5703423) -(5703680--5750015) -(5750784--5767167) -(5799936--5892863) -(5893120--5906175) -(5906432--5946367) -(5947392--5964031) -(5965824--6018815) -(6019072--6034687) -(6035456--6093311) -(6094848--6097919) -(6098944--6291455) -(6324224--6378239) -(6379520--6409215) -(6410240--6429695) -(6430720--6558207) -(6559744--6702079) -(6703104--6740991) -(6742016--6815743) -(6848512--6929919) -(6930432--7140095) -(7141376--7144959) -(7145472--7149055) -(7149568--7156991) -(7157760--7161599) -(7161856--7171071) -(7172096--7185919) -(7186432--7195647) -(7196672--7224063) -(7225344--7340031) -(7340043--7340047) -(7340059--7340063) -(7345696--7348255) -(7372800--7463423) -(7464960--7491071) -(7491584--7502847) -(7503872--7523839) -(7524352--75315
Fix<y>? yes
Free blocks count wrong for group #0 (23512, counted=24449).
Fix<y>? yes
Free blocks count wrong for group #1 (1023, counted=32679).
Fix<y>? yes
Free blocks count wrong for group #2 (0, counted=32768).
Fix<y>? yes
..SKIPPED..
마지막으로..
cloudimg-rootfs: ***** FILE SYSTEM WAS MODIFIED *****
11 inodes used (0.00%)
0 non-contiguous files (0.0%)
0 non-contiguous directories (0.0%)
# of inodes with ind/dind/tind blocks: 0/0/0
Extent depth histogram: 2
121775 blocks used (1.59%)
0 bad blocks
0 large files
0 regular files
2 directories
0 character device files
0 block device files
0 fifos
0 links
0 symbolic links (0 fast symbolic links)
0 sockets
--------
2 files
질문: 다시 마운트하려고 하면 이번에는 성공적이지만 lost+found폴더만 있는 빈 파티션만 표시되고 100GB 파티션이 29GB가 됩니다.
어떤 아이디어?
답변1
파일 시스템이 절망적으로 손상되었으며 e2fsck이를 저장하기 위해 할 수 있는 일이 거의 없습니다. FS를 Nuke하고 백업에서 복원합니다. "를 추가하겠습니다.하드웨어 교체를 고려해보세요" 위에 게시한 내용을 제외하면 이것이 가상 서버라는 것을 알 수 있습니다.
위의 귀하의 의견에 대한 답변에서 귀하가 한 일은 FS 자체가 중단되는 경우 우리 모두가 할 수 있는 일입니다(를 사용할 수 있는 FS 커널 해커 제외 debugfs). 자신을 비난하지 마십시오. 백업이 없는 경우는 제외됩니다.하다자신을 비난하고 중요한 교훈을 배우십시오.