EXT3 error message on CENTOS 3.4 (DELL 2650)

[mcclnx mcc]

We have DELL 2650 with CENTOS 3.4 installed.  Today I saw following messages on /var/log/messages.  Anyone know what it mean?  Does it point to which disk?
 
 
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 Jun  4 06:58:40 ORA03 kernel: EXT3-fs unexpected failure: (((jh2bh(jh))->b_state & (1UL << BH_Uptodate)) != 0);
 Jun  4 06:58:40 ORA03 kernel: Possible IO failure.
 Jun  4 06:58:40 ORA03 kernel:
 Jun  4 06:58:45 ORA03 kernel: EXT3-fs unexpected failure: (((jh2bh(jh))->b_state & (1UL << BH_Uptodate)) != 0);
 Jun  4 06:58:45 ORA03 kernel: Possible IO failure.
 Jun  4 06:58:45 ORA03 kernel:
 Jun  4 06:58:50 ORA03 kernel: EXT3-fs unexpected failure: (((jh2bh(jh))->b_state & (1UL << BH_Uptodate)) != 0);
 Jun  4 06:58:50 ORA03 kernel: Possible IO failure.
 Jun  4 06:58:50 ORA03 kernel:
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