IBM-AUSTRIA - PC-HW-Support    30 Aug 1999

Obtaining Drive Status (ServeRAID)

•  Physical Device States (STATUS)
•  Logical Drive States
•  Defining the State of a Drive
•  Results of a Hard Disk Drive Failure
•  Logical and Hard Disk Drive Status Indications
•  Replacing a Faulty Drive
•  Rebuilding a Logical Drive

1.  Start the RAID configuration program (see 'Starting the ServeRAID Configuration Program')
2.  Select Rebuild/Device Management from the Main Menu.
3.  Select Display Drive information from the Rebuild/Device Management Menu. The cursor becomes  active in the Bay/Array selection list.
4.  Use the Up Arrow (  )  key or the Down Arrow (  ) key to highlight each of the drives  shown in the Bay/Array selection list.  As a drive is highlighted, the drive information appears.

    
   

   •  Soft Errors displays the number of SCSI Check Conditions returned from the Drive status  messages (except Unit Attention messages) since the Device Error Table was last cleared.
   •  Hard Errors displays the number of SCSI I/O processor errors or Predictive Failure Analysis  (PFA errors) that occured on the drive since the Device Error Table was last cleared.
   •  Parity Errors displays the number of parity errors that occured on the SCSI bus since the  Device Error Table was last cleared.
   •  Misc Errors displays the number of other errors (such as selection timeout, unexpected bus free, or SCSI phase error)  that have occured on the drive since the Device Error Table was last cleared.

5.  Press Esc to return to the previous menu.

•  The status of the hard disk drive determines the status of the logical drives in the array in which the hard disk is grouped.
•  The device error table, located in the ServeRAID adapter NVRAM, collects statistics on the number and type of errors that occurred  on all hard disk drives attached to the ServeRAID adapter.

   After correcting a problem with the disk array, you might want to clear the table, so that any subsequent errors can be identified quickly.  Select Erase Device Error Table from the Rebuild/Device Management menu.

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