Wednesday, June 20, 2018

How to calculate a sum in a repeat row in WFA

Ever needed to add a repeat row and calculate a sum on the fly ?
This is built into wfa already.

For example, you want a user input table, where you add qtrees and their sizes, but you would need a sum at some point so create the volume (where the size is the sum of the qtrees).

Monday, June 18, 2018

Wfa Invoke-NcSsh broken

In WFA4.2 you might have noticed Invoke-NcSsh doesn't work as it used to.  You need putty, and even then there seems to be a memory leak.

WFA has a custom cmdlet called "Invoke-WfaClusterCli", which is
doing the same thing, assuming you wanted to SSH to a Netapp Cluster ofcourse :)

I posted the code below, just for reference.  Obviously in WFA you can just call it, as it's embedded in the WFAWrapper module.

Tuesday, June 5, 2018

Powershell - move ontap cluster lifs between interfacegroups

For a headswap procedure, I had to move lifs from 3 interface groups to 2 interface groups.

So before we had :
a0a, a0b & a0c

After we have :
a0a, a0b

This means all lifs on a0c need to move to a similar vlan port on another interface group.  here is a powershell script to do it automatically

Monday, June 4, 2018

WFA advanced incremental naming

In a previous post, I already explained how incremental naming works.  (

However, sometimes you need something a bit more advanced.
For example you need this incremental functionality

- myvol50xx
- myvol51yy
- myvol52zz