리눅스 fsck

1 개요

filesystem check; fsck
/sbin/fsck

리눅스 파일시스템 점검 프로그램
특정 조건(마운트 횟수, 점검기간)에 맞을 경우 부팅시 자동 실행됨
(주의) 마운트된 상태에서 수행할 경우 망가질 수 있음

2 실행 예시

[root@jmnote ~]# fdisk -l

Disk /dev/sda: 21.5 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00050f39

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          39      307200   83  Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2              39        2358    18631680   83  Linux
/dev/sda3            2358        2611     2031616   82  Linux swap / Solaris

[root@jmnote ~]# fsck /dev/sda1
fsck from util-linux-ng 2.17.2
e2fsck 1.41.12 (17-May-2010)
/dev/sda1 is mounted.  

WARNING!!!  The filesystem is mounted.   If you continue you ***WILL***
cause ***SEVERE*** filesystem damage.

Do you really want to continue (y/n)? yes

/dev/sda1: recovering journal
/dev/sda1: clean, 38/76912 files, 42806/307200 blocks

3 같이 보기

CHKDSK
fdisk

4 참고 자료

https://en.wikipedia.org/wiki/Fsck