Cisco Nexus 5K – Unified Port Conversion
Nexus 5000 series UP switches have the option of either enabling individual ports as Ethernet or Fibre Channel ports. One of the strict guidelines is to begin enabling ethernet ports […]
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 with all the […]
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. […]
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 all of […]
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 .zip file […]
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 […]
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 […]
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