FAT32 bölümü ve EXT4 bölümü olan bir mikro SD kartım var. EXT4 bölümü artık bağlanmayacak. dmesg aşağıdaki hatayı gösterir:
EXT4-fs (sdb2): bad geometry: block count 2199023779840 exceeds size of device (524288 blocks)
Googled'im, fakat hala sorunun nerede olduğunu (bölüm tablosunda? Dosya sisteminde?) Ne de tam olarak anlayamadım. Bir takım çözümler denedim:
- Bölüm tablosu yazmak için testdisk kullanma
- Superblock'u yedeklerden geri yüklemek için fsck kullanma (hepsini denedim). Örneğin
fsck.ext4 -b 163840 -B 4096 /dev/sdb2
fsck -cc
Bozuk blokları kontrol etmek için kullanma- Bölümün boyutunu ayarlamak için resize2fs kullanımı. Çıktı:
The combination of flex_bg and !resize_inode features is not supported by resize2fs.
Fsck'i çalıştırdığımda, düzeltmeyi iddia ettiği bir sürü hatayla (aşağıda tam çıktı) ortaya çıkıyor. Ancak tekrar çalıştırırsam, her seferinde aynı hataları tekrar tekrar gösterir.
Kötü geometri sorununu nasıl düzeltebilir ve dosya sistemimi tekrar monte edilebilir hale getirebilirim? Bu nasıl oldu?
fsck çıkışı:
e2fsck 1.42 (29-Nov-2011)
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.
/dev/sdb2 contains a file system with errors, check forced.
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Free blocks count wrong for group #0 (24465, counted=24466).
Fix<y>? yes
Free blocks count wrong for group #2 (4788, counted=5812).
Fix<y>? yes
Free blocks count wrong for group #3 (8710, counted=8881).
Fix<y>? yes
Free blocks count wrong for group #8 (5682, counted=22066).
Fix<y>? yes
Free blocks count wrong (299742, counted=317322).
Fix<y>? yes
Inode bitmap differences: -(8193--8194) -8197 -8208 -(8225--8226) -8229 -(8240--8241) -(8257--8258) -8261 -8272 -8274 -(8289--8290) -8293 -(8304--8306) -(8321--8322) -8325 -8336 -8339 -16387 -16389 -16400 -16419 -16421 -(16432--16433) -16451 -16453 -16464 -16466 -16483 -16485 -(16496--16498) -16515 -16517 -16528 -16531 -24577 -24579 -24581 -24592 -24609 -24611 -24613 -(24624--24625) -24641 -24643 -24645 -24656 -24658 -24673 -24675 -24677 -(24688--24690) -24705 -24707 -24709 -24720 -24723 -(32770--32771) -32773 -32784 -(32802--32803) -32805 -(32816--32817) -(32834--32835) -32837 -32848 -32850 -(32866--32867) -32869 -(32880--32882) -(32898--32899) -32901 -32912 -32915 -(40961--40963) -40965 -40976 -(40993--40995) -40997 -(41008--41009) -(41025--41027) -41029 -41040 -41042 -(41057--41059) -41061 -(41072--41074) -(41089--41091) -41093 -41104 -41107 -(49156--49157) -49168 -(49188--49189) -(49200--49201) -(49220--49221) -49232 -49234 -(49252--49253) -(49264--49266) -(49284--49285) -49296 -49299 -57345 -(57348--57349) -57360 -57377 -(57380--57381) -(57392--57393) -57409 -(57412--57413) -57424 -57426 -57441 -(57444--57445) -(57456--57458) -57473 -(57476--57477) -57488 -57491 -65538 -(65540--65541) -65552 -65570 -(65572--65573) -(65584--65585) -65602 -(65604--65605) -65616 -65618 -65634 -(65636--65637) -(65648--65650) -65666 -(65668--65669) -65680 -65683 -(73729--73730) -(73732--73733) -73744 -(73761--73762) -(73764--73765) -(73776--73777) -(73793--73794) -(73796--73797) -73808 -73810 -(73825--73826) -(73828--73829) -(73840--73842) -(73857--73858) -(73860--73861) -73872 -73875 -(81923--81925) -81936 -(81955--81957) -(81968--81969) -(81987--81989) -82000 -82002 -(82019--82021) -(82032--82034) -(82051--82053) -82064 -82067 -90113 -(90115--90117) -90128 -90145 -(90147--90149) -(90160--90161) -90177 -(90179--90181) -90192 -90194 -90209 -(90211--90213) -(90224--90226) -90241 -(90243--90245) -90256 -90259 -(98306--98309) -98320 -(98338--98341) -(98352--98353) -(98370--98373) -98384 -98386 -(98402--98405) -(98416--98418) -(98434--98437) -98448 -98451 -(106497--106501) -106512 -(106529--106533) -(106544--106545) -(106561--106565) -106576 -106578 -(106593--106597) -(106608--106610) -(106625--106629) -106640 -106643 -114694 -114704 -114726 -(114736--114737) -114758 -114768 -114770 -114790 -(114800--114802) -114822 -114832 -114835 -122881 -122886 -122896 -122913 -122918 -(122928--122929) -122945 -122950 -122960 -122962 -122977 -122982 -(122992--122994) -123009 -123014 -123024 -123027
Fix<y>? yes
Free inodes count wrong for group #0 (7803, counted=7804).
Fix<y>? yes
Free inodes count wrong (130683, counted=130684).
Fix<y>? yes
/dev/sdb2: ***** FILE SYSTEM WAS MODIFIED *****
/dev/sdb2: 388/131072 files (22.7% non-contiguous), 206966/524288 blocks
fdisk -l
çıktı:
Disk /dev/sdb: 16.0 GB, 16012804096 bytes
64 heads, 32 sectors/track, 15271 cylinders, total 31275008 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0005ce93
Device Boot Start End Blocks Id System
/dev/sdb1 * 2048 27080703 13539328 c W95 FAT32 (LBA)
/dev/sdb2 27080704 31275007 2097152 83 Linux
fdisk -l
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