kernel i/o error? Can anyone help?

Hi,

I seem to be getting a slow but steady stream of theses errors in my log/messages log, and it's got me just a bit concerned.

Jan 4 09:48:07 MUSTANG kernel: I/O error: dev 08:11, sector 2136
Jan 4 09:50:47 MUSTANG kernel: I/O error: dev 08:11, sector 2192
Jan 4 09:51:21 MUSTANG kernel: I/O error: dev 08:11, sector 2632
Jan 4 09:51:21 MUSTANG kernel: I/O error: dev 08:11, sector 3752
Jan 4 09:52:56 MUSTANG kernel: I/O error: dev 08:11, sector 3912
Jan 4 09:53:53 MUSTANG kernel: I/O error: dev 08:11, sector 31168
Jan 4 09:55:58 MUSTANG kernel: I/O error: dev 08:11, sector 3936
Jan 4 09:56:36 MUSTANG kernel: I/O error: dev 08:11, sector 23744
Jan 4 09:56:39 MUSTANG kernel: I/O error: dev 08:11, sector 23432
Jan 4 09:57:14 MUSTANG kernel: I/O error: dev 08:11, sector 4408

Is there anyway I can check the integrity of my hard disks while they are mounted, or what is the best way to unmount them, and still have access remotely and check them? Sorry, I'm not a expert sysadmin obviously.

Thanks.

 

 

 

 

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