#flexgroup

How #ONTAP cluster works? Part 4. Data protocols: SMB, NFS, FCP, NVMe, Ethernet. VLANs, ifgrp, LACP, vPC, Multipathing, and Cluster virtualization schemes. Summary. #NetAppUnited

This article is part of the series How does the ONTAP cluster work? Also previous series of articles How ONTAP Memory work will be a good addition to this one.

Data protocols

ONTAP is considered as a unified storage system, meaning it supports both block (FC, FCoE, NVMeoF and iSCSI) & file (NFS, pNFS, CIFS/SMB) protocols for its clients. SDS versions of ONTAP (ONTAP Select & Cloud Volumes…

How #ONTAP cluster work? Part 3. Horizontal Scaling Clusterization & ONTAP Tricks, Indirect data path, SVM, Multi-Tenancy, NDO, NDU, NAS & SAN LIFs, ALUA, FailoverGroup, Broadcast Domain, VIP LIF, MGMT Interfaces, Cluster interfaces. #NetAppUnited

This article is part of the series How does the ONTAP cluster work? Also previous series of articles How ONTAP Memory work will be a good addition to this one.

Horizontal Scaling Clusterization

Horizontal scaling ONTAP clusterization came from Spinnaker acquisitions and often referred by NetApp as “Single Namespace,” “Horizontal Scaling Cluster,” or “ONTAP Storage System Cluster,” or…

How #ONTAP cluster works? In this part about HA, Share nothing architecture compared to symmetrical, HA interconnect, MCC, MCC-IP & FC, Plex, MC SDS #NetAppUnited

This article is part of the series How does the ONTAP cluster work? Also previous series of articles How ONTAP Memory work will be a good addition to this one.

High Availability

I will call HA the first type of clusterization and its main purpose is data availability. Even though a single HA pair consists of two nodes (or controllers), NetApp has designed it in such a way it appears as a…

How does the ONTAP cluster work? (part 1). In this article about HW & SDS appliances, disks, ADP, RAID, Aggregates, Plex, FlashPool, FabricPool, FlashCache, FlexArray, NSE, NVE, FlexVol and FlexGroup

In my previous series of articles I explained how ONTAP system memory works and talked about: NVRAM/NVMEM, NVLOGs, Memory Buffer, HA & HA interconnects, Consistency Points, WAFL iNodes, MetroCluster data availability, Mailbox disks, Takeover, Active/Active and Active/Passive configurations, Write-Through, Write Allocation, Volume Affinities (Wafinity), FlexGroup, RAID & WAFL interaction, Tetris…