ABOUT RAID 5 ARRAYS

 

RAID 5 - STRIPING WITH PARITY

 

RAID 5 involves striping the data and parity information on at least three disks.  This level provides good

fault tolerance and a higher write rate compared to RAID 4.  RAID 5 can accept the failure of one disk.

ADVANTAGES OF RAID 5 DISADVANTAGES OF RAID 5
   

Good fault tolerance

More complex design

Not as expensive as other levels

Poor write performance

RAID 5 can tolerate a single disk failure

Requires special hardware controller

   


RAID 5 ERRORS THAT CAN OCCUR

RAID 5 drive failure
degraded RAID array
RAID 5 failed
SCSI disk error
missing RAID member
rebuild failed
RAID controller battery failed
a disk read error occurred
disk of RAID 5 failed
broken RAID
 

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