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RAID 4. W RAID 4 dane zapisywane są na kilku dyskach, a dodatkowo na osobnym dysku są umieszczne sumy kontrolne, które w przypadku awarii jednego z dysków umożliwiają jego odtworzenie poprzez wykonanie określonych operacji matematycznych.
The level of RAID protection determines the number of parity disks available for data recovery in the event of disk failures. With RAID protection, if there is a data disk failure in a RAID group, ONTAP can replace the failed disk with a spare disk and use parity data to reconstruct the data of the failed disk. RAID4.
This document provides an in-depth overview of the NetApp®RAID-DP® implementation for double parity–based data protection. Several aspects of RAID-DP are covered, including how it works, resiliency versus other RAID technologies, performance, and capacity utilization. TABLE OF CONTENTS.
18 paź 2023 · ONTAP software RAID supports the following RAID types: RAID 4, RAID-DP, and RAID-TEC. These are the same RAID constructs used by FAS and AFF platforms. For root provisioning ONTAP Select supports only RAID 4 and RAID-DP.
29 kwi 2022 · A minimum of two drives is required for RAID 1: one drive for the user data, and one drive for the mirrored data. If you select four or more drives, RAID 10 is automatically configured across the volume group: two drives for user data, and two drives for the mirrored data.
Szybkie 24. NetApp EF300 to system o wysokości 2U, mieszczący w sobie do 24 wewnętrznych dysków SSD NVMe. Szybkie procesory na kontrolerach, w połączeniu z wydajnymi dyskami SSD, pozwalają na osiągnięcie nawet do 670 000 IOPS. Dodatkowo przestrzeń na dane możemy rozbudować stosując półki dyskowe.
11 sty 2011 · Capacity is the most critical factor and we configured FAS 2020 as shown below. Controller 1. raid 4 with 2 Disk ( 1Parity+ 1Data) for aggr0. Controller 2. raid 4 with 10 Disk ( 1Parity+ 8Data +1Spare) for aggr0. But in controller 2 it is creating 2 raid group (rg0 & rg1) as shown in blue color.
