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 […]
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 […]
E-Mail Flow – Troubleshooting
NSLOOKUP At the command prompt type “NSLOOKUP “. This will give you a “>” prompt. Type “set type=MX “. Type “microsoft.com “. You should now get the MX records for “microsoft.com”: Non-authoritative answer: microsoft.com MX preference = 10, mail exchanger = microsoft-com.mail.protection.outlook.com microsoft-com.mail.protection.outlook.com internet address = 207.46.163.215 microsoft-com.mail.protection.outlook.com internet address = 207.46.163.247 microsoft-com.mail.protection.outlook.com internet address = 207.46.163.138 Or Use who.is: […]
EMC XtremIO – Changing Cluster, XMS & Storage Controller Name(s) & IP(s)
Change the Xtremio 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)> show-clusters-info Cluster-Name XTREMIO_4321 Change XMS IP Address: xmcli (tech)> modify-ip-addresses xms-ip-sn=”192.168.0.10/24″ Change Storage Controller Name: xmcli (tech)> show-storage-controllers SC Name: X1-SC1 X1-SC2 Example of renaming both storage controllers for X-Brick-1: xmcli (tech)> rename sc-id=”X1-SC1″ new-name=”XBrick1-SC1″ xmcli (tech)> […]
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 datetime=”2014-11-07 11:00:48″ Set timezone: List all timezones available: xmcli (tech)> show-timezones xmcli (tech)> modify-datetime timezone=”Europe/Paris” Set NTP Servers: xmcli (tech)> modify-datetime ntp-servers=[“10.10.10.101″,”10.10.10.102”] Display time config: xmcli (tech)> show-datetime Mode NTP-Servers Cluster-Time Cluster-Time-Zone automatic 10.10.10.10110.10.10.102 2014-11-07 11:07:08 CET Europe/Paris
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 ♦ […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
XtremIO (xmcli) – Creating Initiator Groups and Mapping LUNs
1. Open an SSH session to the XtremIO Management Station Firstly we need to open an SSH connection to the XtremIO Management Station (XMS), in this case I used putty […]
CISCO UCS Blades – Memory Troubleshooting
This is a guest blog post kindly contributed by Eric Daly @daly_eric. In an effort to pin point specific DIMMs within UCS that are throwing an error, please follow these […]
EMC XtremIO Redefined
Since XtremIO first became Generally Available back in November 2013 the momentum of the product has been incredible. Becoming the ‘Number 1’ All Flash Array (AFA) on the market in […]
EMC VMAX – Next Generation VMAX³ (Everest)
The overall theme of the Mega Launch IV is “Redefine Possible” – What EMC focused on in the new VMAX³ (“to the power of 3”) was the agility and scale […]
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