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Category: Uncategorized

Storage 10

EMC XtremIO – Setting Disk.SchedNumReqOutstanding On vSphere 5.5 & 6.0 (PowerCLI)

PowerCLI Download Disk.SchedNumReqOutstanding (DSNRO) – Determines the maximum number of active storage commands (I/Os) allowed at any given time at the VMkernel. The default value is 32 and the maximum value is 256. For XtremIO storage with VMware vSphere it is recommended to set the DSNRO parameter to the maximum value of 256. When using vSphere 5.5 the Disk.SchedNumReqOutstanding parameter […]

Uncategorized 9

VMware PowerCLI – Adding VMFS Datastore’s

Thank you Cliff, Steve and Luc for helping me out with this task. After you have created the required LUN’s on your storage array and mapped the LUN’s to your ESXi hosts, at this stage you may use PowerCLI to add these new LUNs as VMFS datastore’s. 1. Connect to vCenter: Connect-VIServer -Server “vcenter_IP” -User UserName -Password Password If you […]

Uncategorized 1

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 […]

Storage 0

EMC VNXe – Troubleshooting NFS Connectivity

Step1 Check the Health status of the Link Aggregation: uemcli -d -u Local/admin -p Password123# /net/la show -detail 1: ID = la0_SPA SP = SPA Ports = eth2_SPA,eth3_SPA Health state = OK (5) 2: ID = la0_SPB SP = SPB Ports = eth2_SPB,eth3_SPB Health state = OK (5) Step2 Ensure the Network Interface for NFS is correctly configured: uemcli […]