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...
View ArticleEMC XtremIO – Setting Disk.SchedNumReqOutstanding On vSphere 5.5 (PowerCLI)
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....
View ArticleEMC XtremIO Shutdown Procedure
The below steps outline how to perform a clean shutdown of an XtremIO array and thus help prevent any case of data corruption or loss. Before proceeding with the shutdown task ensure that all connected...
View ArticleEMC VMAX – Disk Group & Pool Expansion
In order to expand a VMAX Thin Pool we must first create the additional Data Devices (TDATs) on the underlying physical Disk Group. This example outlines how to calculate and create those TDAT devices...
View ArticleEMC VMAX – Identify Failed Drive Location
In order to understand this Post fully, I would advise you read “EMC VMAX – 20/40K Back-End Connectivity” first. Having completed a VMAX ‘Health Check’ through ‘Unisphere’ it has been highlighted that...
View ArticleEMC NAS Plug-In For vSphere VAAI (VNXe Example)
The ‘EMC NAS Plug-in’ is required in order to enable VAAI (vSphere APIs for Array Integration) operations on ‘NFS Datastores’ on an ESXi 5.x host. If you are not familiar with VAAI; the purpose of...
View ArticleCisco MDS – Upgrading Firmware
MDS 9000 Series Firmware Upgrade It is always good practice to read the software ‘release notes’ before proceeding with an upgrade. The ‘Cisco MDS 9000 NX-OS and SAN-OS Software’ release notes can be...
View ArticleVMware PowerCLI – Adding RDM Disk’s
See also: VMware PowerCLI – Adding VMFS Datastore’s After creating the required LUN’s on your storage array and mapped the LUN’s to your ESXi hosts then you may use PowerCLI to add these new LUNs as...
View ArticleThe Vblock vCake
Created by Cliff Cahill @CliffCahill In conjunction with the announcement of the ‘Vblock 740′ @VCE’s latest addition to the Vblock range Cliff kindly put his creative and baking skills to good effect...
View ArticleEMC VNX – Pool LUN Ownership
For every Pool LUN regardless of whether the LUN is thick or thinly provisioned there are 3 owner types assigned to each LUN: ♦ Allocation Owner ♦ Default Owner ♦ Current Owner There has been cases...
View ArticleEMC XtremIO – Configuring DNS & NTP
Setting DNS xmcli (tech)> modify-dns-servers primary=”10.10.10.1″ secondary=”10.10.10.1″ xmcli (tech)> show-dns-servers Setting NTP Set date & time: xmcli (tech)> modify-datetime...
View ArticleEMC XtremIO – Changing Cluster Name
xmcli (tech)> show-clusters-info Cluster-Name XTREMIO_1234 xmcli (tech)> rename cluster-id=”XTREMIO_1234″ new-name=”XTREMIO_4321″ Object XTREMIO_1234 [1] renamed to XTREMIO_4321 xmcli (tech)>...
View ArticleEMC EHC – Federation SDDC Edition
Breaking this title down into the elements that make up the ‘EMC EHC – Federation SDDC Editon’: EMC EHC = EMC Enterprise Hybrid Cloud Federation = EMC II (Including VCE & RSA), Pivotal and VMware...
View ArticleVMAX VG2/8 – Masking View & Cisco Zoning Script
This post will cover the Masking and Zoning scripts for a VG when using Cisco MDS fabric switches. This post will not cover the creation or rules around the Control volumes, please reference the latest...
View ArticleEMC VNXe Configuration Using Unisphere CLI (Part 3)
Part 1 Part 2 This is the third part in the series on configuring the VNXe via command line. Here I will detail the Steps involved in adding VMware ESXi hosts, presenting NFS datastores to these hosts...
View ArticleVMware vSphere Host Path Limit
The VMware vSphere Host storage path limit as of vSphere 5.5 is 1024 and the maximum LUNs per host is 256. Maximum LUNS PER ESXi HOST = 256 Maximum FC LUN ID =255 FC Number of paths to a LUN = 32...
View ArticleEMC VNX – ArrayConfig & SPCollect (Powershell Script)
——————————————————————- Reference: VNX® Command Line Interface Reference for Block: SPCollect : The naviseccli spcollect command selects a collection of system log files and places them in a single...
View ArticleEMC VNXe – Gen1&2 Backup Script (Powershell & UEMCLI)
——————————————————————- Reference:: EMC® VNXe® Unisphere® Command Line Interface User Guide: Collect -Config: Create a snapshot of the current system configuration and save it to a file. It captures...
View ArticleEMC XtremIO – Redeploying XMS (XtremIO Management Server)
If the situation ever arises where you have lost your XtremIO Management Server (XMS) – do not worry as you can quite easily recover the XMS to its previous state. In this scenario even though you may...
View ArticleEMC VNXe – Code Upgrade
Before proceeding with any upgrade of code on the VNXe please reference the target code release notes on https://support.emc.com/. The VNXe landing page: http://emc.com/vnxesupport will provide you...
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