RE: IO errors on Linux x86_64

         Storage: Dell Clariion CX700 SAN

...powerpath ?                  

        Errors in file
/u01/app/oracle//admin/pr09/bdump/pr09_ckpt_29193.trc:

        ORA-01171: datafile 12 going offline due to error advancing checkpoint

        ORA-01110: data file 12:

'/u01/oradata/pr09/agile_indx101pr09.ora'
                                 ^^^^^^^^^^^^^
...                              Is this ext3 ?

	ORA-01115: IO error reading block from file 12 (block # 1)
	ORA-27072: skgfdisp: I/O error
	Linux-x86_64 Error: 5: Input/output error

... are there corresponding /var/log/messages entries for these EIO errors tht would impugn the scsi layer or other goodies downwind? Trying to establish if this is an EIO pushed up from a software layer (perhaps powerpath) ? Being intermittant there whould be /var/log/messages goodies to clue us in

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