救急！！文件系统错误

frankyang

RedHat 7.2
服务器挂了磁盘阵列，mount到系统的/data，现在经常在/data下看不到任何东西。有时写绝对路径可以看到文件。日志错误：
Jun 30 07:05:33 mail1 kernel:  I/O error: dev 08:11, sector 40
Jun 30 07:05:33 mail1 kernel:  I/O error: dev 08:11, sector 3246408
Jun 30 07:05:33 mail1 kernel:  I/O error: dev 08:11, sector 140509192
Jun 30 07:05:33 mail1 kernel:  I/O error: dev 08:11, sector 111416304
Jun 30 07:05:33 mail1 kernel:  I/O error: dev 08:11, sector 111416304
Jun 30 07:05:33 mail1 kernel:  I/O error: dev 08:11, sector 140509184
Jun 30 07:05:33 mail1 kernel:  I/O error: dev 08:11, sector 0
Jun 30 07:05:33 mail1 kernel: EXT2-fs error (device sd(8,17)): read_block_bitmap: Cannot read block bitmap - block_group = 536, block_bitmap = 17563648
Jun 30 07:05:33 mail1 kernel:  I/O error: dev 08:11, sector 140509184
Jun 30 07:05:33 mail1 kernel:  I/O error: dev 08:11, sector 0
Jun 30 07:05:33 mail1 kernel: EXT2-fs error (device sd(8,17)): read_block_bitmap: Cannot read block bitmap - block_group = 536, block_bitmap = 17563648
Jun 30 07:05:34 mail1 kernel:  I/O error: dev 08:11, sector 208666736
Jun 30 07:05:34 mail1 kernel:  I/O error: dev 08:11, sector 0
Jun 30 07:05:34 mail1 kernel: EXT2-fs error (device sd(8,17)): ext2_write_inode: unable to read inode block - inode=13041677, block=26083342