Why does a drive show as prefailed in Data ONTAP

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Views:: 4,796

Visibility:: Public

Votes:: 3

Category:: disk-drives

Specialty:: hw

Last Updated:

Applies to

ONTAP
FAS Systems
AFF Systems

Issue

The output of sysconfig -r shows a drive in prefail status:

    RAID group /aggr1/plex0/rg0 (normal, block checksums)

      RAID Disk	Device  	HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
      ---------	------  	------------- ---- ---- ---- ----- --------------    --------------
      dparity 	0c.51.17	0c    51  17  SA:A   0  BSAS  7200 2538546/5198943744 2543634/5209362816 
      parity  	0c.52.18	0c    52  18  SA:A   0  BSAS  7200 2538546/5198943744 2543634/5209362816 
      data    	0c.50.18	0c    50  18  SA:A   0  BSAS  7200 2538546/5198943744 2543634/5209362816 
      data    	0c.53.18	0c    53  18  SA:A   0  BSAS  7200 2538546/5198943744 2543634/5209362816 
      data    	0c.51.18	0c    51  18  SA:A   0  BSAS  7200 2538546/5198943744 2543634/5209362816 
      data    	0b.57.23	0b    57  23  SA:B   0  FSAS  7200 2538546/5198943744 3815447/7814037168 
      data    	0c.50.19	0c    50  19  SA:A   0  BSAS  7200 2538546/5198943744 2543634/5209362816 
      data    	0c.53.19	0c    53  19  SA:A   0  BSAS  7200 2538546/5198943744 2543634/5209362816 (prefail)
      data    	0c.51.19	0c    51  19  SA:A   0  BSAS  7200 2538546/5198943744 2543634/5209362816 
      data    	0c.52.19	0c    52  19  SA:A   0  BSAS  7200 2538546/5198943744 2543634/5209362816 
      data    	0c.50.20	0c    50  20  SA:A   0  BSAS  7200 2538546/5198943744 2543634/5209362816