Filesystem corrupto

Hi,

Ayer se generó en un servidor de produccion este error:

Yesterday It created an error on a production server:

Jul 15 10:54:46 bd02 kernel: EXT3-fs error (device dm-21): ext3_free_blocks_sb: bit already cleared for block 18679410
Jul 15 10:54:46 bd02 kernel: EXT3-fs error (device dm-21): ext3_free_blocks: Freeing blocks not in datazone - block = 3305505025, count = 1
Jul 15 10:54:46 bd02 kernel: EXT3-fs error (device dm-21): ext3_free_blocks: Freeing blocks not in datazone - block = 373050371, count = 1
Jul 15 10:54:46 bd02 kernel: EXT3-fs error (device dm-21): ext3_free_blocks_sb: bit already cleared for block 75497745
Jul 15 10:54:46 bd02 kernel: EXT3-fs error (device dm-21): ext3_free_blocks: Freeing blocks not in datazone - block = 542585794, count = 1
Jul 15 10:54:46 bd02 kernel: EXT3-fs error (device dm-21): ext3_free_blocks_sb: bit already cleared for block 23361287
Jul 15 10:54:46 bd02 kernel: EXT3-fs error (device dm-21): ext3_free_blocks: Freeing blocks in system zones - Block = 16843009, count = 1
Jul 15 10:54:46 bd02 kernel: EXT3-fs error (device dm-21): ext3_free_blocks: Freeing blocks not in datazone - block = 1685522431, count = 1
Jul 15 10:54:46 bd02 kernel: EXT3-fs error (device dm-21): ext3_free_blocks: Freeing blocks in system zones - Block = 16843009, count = 1
Jul 15 10:54:46 bd02 kernel: EXT3-fs error (device dm-21): ext3_free_blocks: Freeing blocks in system zones - Block = 25166081, count = 1
Jul 15 10:54:46 bd02 kernel: EXT3-fs error (device dm-21): ext3_free_blocks: Freeing blocks in system zones - Block = 25166208, count = 1

It is a bug?Can you help me.

thanks