root@wirenboard:~# echo u > /proc/sysrq-trigger
[ 4475.563221] sysrq: SysRq : Emergency Remount R/O
[ 4475.567992] Emergency Remount complete
Nov 9 19:14:00 wirenboard user.info kernel: [ 4475.563221] sysrq: SysRq : Emergency Remount R/O
Nov 9 19:14:00 wirenboard user.warn kernel: [ 4475.567992] Emergency Remount complete
root@wirenboard:~# Nov 9 19:14:01 wirenboard cron.info CRON[8216]: (CRON) error (create tmpfile)
mount -o remount,ro /dev/mmcblk0p2
[ 4484.322444] EXT4-fs (mmcblk0p3): re-mounted. Opts: errors=remount-ro
Nov 9 19:14:09 wirenboard user.info kernel: [ 4484.322444] EXT4-fs (mmcblk0p3): re-mounted. Opts: errors=remount-ro
root@wirenboard:~# fsck -f /dev/mmcblk0p3
fsck from util-linux 2.29.2
e2fsck 1.43.4 (31-Jan-2017)
Pass 1: Checking inodes, blocks, and sizes
Inodes that were part of a corrupted orphan linked list found. Fix? yes
Inode 4461 was part of the orphaned inode list. FIXED.
Inode 19490 was part of the orphaned inode list. FIXED.
Inode 19496 was part of the orphaned inode list. FIXED.
Inode 20261 was part of the orphaned inode list. FIXED.
Inode 21112 was part of the orphaned inode list. FIXED.
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Inode bitmap differences: -580 -668 -1834 -4461
Fix?
yes
Free inodes count wrong for group #0 (4, counted=8).
Fix? yes
Free inodes count wrong (38558, counted=38562).
Fix? yes
rootfs1: ***** FILE SYSTEM WAS MODIFIED *****
rootfs1: ***** REBOOT SYSTEM *****
rootfs1: 26974/65536 files (0.3% non-contiguous), 184731/262144 blocks
На этом все?