I learnt recently that starting with DFM 5.2, there’s a new resource limit definition for 64-bit aggregates (as compared to “aggregates” perhaps). I’ve logged a call with NetApp to suggest that they fix the definitions in DFM, however from reading the forums, it looks like the OnCommand…
Moving into NAS presented containers for datastores comes with some operational complexities, one of the most painful is in managing multiple hosts. When using the vSphere GUI, it is very slow and inefficient to mount multiple datastores across multiple hosts. If adding 6 datastores for 4 hosts, this would take…
We recently discovered a MPHA fault which has existed for some time on a controller, where it could only see a single path to its disks. After digging under the covers, it seems there's a gap in both ONTAP's and NetApp's ability to determine…
Intellisnap delivers some superb integration between CommVault and NetApp, however there is still a litte bit which can cause operational confusion. One of these is Dataset naming. The basic workflow is that * A Simpana subclient is created with the IntelliSnap feature enabled * When the first backup job is executed, Simpana…
I came across a situation that ordinarily should have been "impossible" (with standard physical HBAs), but as NetApp uses software coded HBA WWPNs, I was faced with duplicate WWPNs on a C-DOT HA pair of nodes. First, it is necessary to understand how Data ONTAP generates WWPNs for…