Dell EMC ViPR 3.6 – VMAX Export Path Adjustment
A very useful new feature in ViPR 3.6 is the ability to increase/decrease the number of fibre channel paths on an existing VPLEX or VMAX export (host/cluster). The following example showcases […]
CISCO MDS 9148 – PortChannel Maximums
An issue I encountered recently was in relation to the number of FLOGIs achievable on a single CISCO 9148 MDS PortChannel running on NX-OS Release 5.2(8e): Cisco MDS NX-OS Release […]
EMC XtremIO – VPLEX BackEnd Connectivity Considerations
This post will detail some general best practices for VPLEX Back-end connectivity to an XtremIO storage array. As you will see from the diagrams below each VPLEX director should have […]
CISCO MDS – Useful ‘Show’ Commands
CONFIG: show startup-config show running-config show running-config diff show run |include host|gateway|ntp|fcdomain|http|telnet|zoneset|vsan show start |include host|gateway|ntp|fcdomain|http|telnet|zoneset|vsan show install all status show switchname show wwn switch show switch summary show version […]
Cisco MDS – Clear All Zoning Configuration
The steps below detail the process of clearing all zoning configurations on an MDS switch. Including: fcaliases, zonesets and zones. If you wish to remove individual zones from a zoneset then please see post here: How To Remove Zones from an Active Zoneset Note: Ensure this is a standalone switch; if it is connected to other switches in the fabric […]
Cisco MDS – How To Remove Zones from an Active Zoneset
1. Firstly we need to know the specific names of the Zones that we intend to delete. To gather the full list of zone members within a Zoneset run show […]
CISCO MDS – Verifying VNX & VMAX Connectivity
Somtimes you may have encountered an issue where a VNX/VMAX front-end port gets cabled to the wrong MDS Switch Port that you had designed for and in fact the port […]
DavidRing.ie 