Understanding Snapshots – NetApp ONTAP vs. VMware, Hyper-V, and Cloud Disk Snapshots
The term snapshot is widely used across storage systems, hypervisors, and cloud platforms, but the underlying technology can be fundamentally…
Understanding Misleading Volume Usage in NetApp ONTAP and Checkmk
This article highlights a potentially misleading volume utilization behavior when monitoring thin-provisioned NetApp ONTAP volumes with Checkmk. When the logical…
Enabling Cloud Tiering with Azure Blob Storage for On-Premises NetApp ONTAP Select
NetApp ONTAP Select supports FabricPool to extend local performance-tier storage with a cloud-based capacity tier for inactive data. In this…
Capturing Network Packet Traces in NetApp ONTAP for NFS and CIFS Troubleshooting
When an NFS or CIFS/SMB client cannot mount or access a share, basic connectivity tests alone may not reveal where…
NetApp ONTAP Volume AutoSize – What Happens When You Manually Grow a Volume?
NetApp ONTAP Volume AutoSize can automatically grow or shrink a volume based on configured utilization thresholds. However, the interaction between…
Understanding and Setting Up NFSv4 Kerberos Authentication in NetApp ONTAP
In previous articles, we explored how NFSv4 identity mapping works in NetApp ONTAP and how Microsoft Active Directory can be…
Using Active Directory as a Central UNIX Identity Store for NFS with NetApp ONTAP and Linux
In traditional NFS environments, consistent UNIX user and group identities must be available across NFS servers and clients. While these…
Understanding NFSv4 Identity Mapping in NetApp ONTAP (AUTH_SYS and File Ownership Under the Hood)
NFSv4 introduced significant changes compared with NFSv3, including how file and directory ownership is represented between NFS servers and clients….
Understanding Windows-to-UNIX User Mapping with UNIX Security Style in NetApp ONTAP
When Windows users access data stored on a NetApp ONTAP volume using UNIX security style, ONTAP must translate the Windows…
Understanding NFS AUTH_SYS User Mapping with NTFS Security Style in NetApp ONTAP
When NFS clients access data on a NetApp ONTAP volume using NTFS security style, ONTAP cannot simply evaluate the UNIX…
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