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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...

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EMC 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....

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EMC 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...

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EMC 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...

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EMC 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...

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EMC 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...

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Cisco 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...

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VMware 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...

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The 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...

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EMC 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...

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EMC 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...

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EMC 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)>...

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EMC 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...

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VMAX 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...

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EMC 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...

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VMware 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...

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EMC 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...

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EMC 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...

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EMC 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...

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EMC 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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