NetApp Raid

RAID-Redundant Array Of Independent Disks

In all the Raid in NetApp having minimum data disk and minimum parity disk
Disk Types

Data      : Holds data stored within the RAID group

Spare    : Does not hold usable data but is available to be added to a RAID group in an aggregate,

                also known as a hot spare

Parity    : Store data reconstruction information within the RAID group

dParity  : Stores double-parity information within the RAID group, if RAID-DP is enabled

These are type of disks in filler

DISK TYPE	RAID-DP	RAID4
ATA/BSAS/SATA                        Maximum	16	7
FC/SAS                         Maximum	28	14
ATA/BSAS/SATA                             Default	14	4
FC/SAS                          Default	16	7
ATA/BSAS/SATA                         Minimum	3	2
FC/SAS                       Minimum	3	2

In Netapp two raid supported

1. Raid4
2. Raid DP

In NetApp default  raid type is Raid Dp.




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