[CentOS] grep

[John R Pierce]

Ming wrote:
> I got the have install a SATA HardDisk on the machine recently. But 
> somethings the Disk cannot be accessed. And mesg tells that it is IO 
> error. Is it a hardware problem or system setting problem.
>
> Here is the message from dmesg.
>
>     sd 0:0:0:0: SCSI error: return code = 0x00040000
>     end_request: I/O error, dev sda, sector 27099199
>     EXT3-fs error (device sda1): ext3_readdir: directory #1687553
>     contains a hole at offset 0
>


I'd get the standalone disk diagnostic software from the drive maker, 
and run that against this SATA drive.