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 […]
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 […]
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 […]
EMC VNXe – Troubleshooting NFS Connectivity
Step1 Check the Health status of the Link Aggregation: uemcli -d 10.0.0.1 -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 […]
EMC VMAX – Notes On Setting FA Port Flags For VMware
When configuring a VMAX for ‘VMware ESX’ connectivity, I will always firstly consult the ‘EMC Simple Support Matrix – EMC Symmetrix VMAX Series Director Bit Settings’ found here for the […]
EMC VNX Control Station – Dart Install Error: A valid partition exists on lun 0
Encountered the following error while completing a Fresh Install of Inyo File (Dart) on a VNX VG8 with code level 7.1 (Also experienced the same issue with another system running […]
EMC VMAX – SE7600 Bug: Not enough pool space to allocate the thin device(s)
There is a known bug with Solutions Enabler 7.6.0 which returns an error while attempting to create 2048GB TDEV Meta Volumes using SYMCLI on a SYMMETRIX VMAX 40K running Enginuity […]
EMC VNX – MCx Hot Sparing Considerations
MCx has brought changes to the way Hot Sparing works in a VNX Array. Permanent Sparing is now the method used when a drive fails. How Permanent Sparing works: when […]
EMC XtremIO – Welcome to Vblock
Vblock Specialized System for Extreme Applications This Vblock as the name suggests is VCE’s solution targeted at Extreme Applications such as VDI and High performance database applications. Using the XtremIO […]
EMC VMAX – Data Device (TDAT) Draining From A Thin Pool
Draining of a Data Device (TDAT) from a VMAX Thin Pool is a non-disruptive activity, meaning TDAT’s can be removed from a Thin Pool without the need to unbind any […]
EMC VMAX – Access Control Logix (ACLX) Gatekeeper Mapping
Access Control Logix (ACLX) gatekeeper mapping is required for initial device masking configuration on the VMAX via the Administration host and also required for the Control Station when using a […]
CISCO MDS – Verifying VNX & VMAX Connectivity
Somtimes you may have encountered an issue where a VNX/VMAX front-end port gets cabled to the wrong MDS Switch Port that you had designed for and in fact the port […]
EMC VNX&VMAX – Updating EMULEX HBA Firmware On LINUX
Firstly download the latest version from the EMC-approved section of the Emulex website for EMC VNX/VMAX: http://www.emulex.com/downloads/oem-qualified/emc/ In this example we are downloading the Emulex LPe16002 Firmware and BootCode version […]
EMC VNX: Rockies Systems Unexpected Reboot After ~80 Days
Great to hear a non-disruptive upgrade fix has has been made available for this issue. Background The issue is addressed in EMC KB175619 Essentially after approximately 80 Days of runtime […]
EMC VNX – New Shutdown Options
Note: Please ensure to reference official EMC documentation before proceeding and ensure your system health checks are passed before completing a shutdown. A new feature with the release of VNX […]
EMC VNX – Changing Storage Processor IP & NAME
This is a guideline on how to change the VNX Storage Processor IP and Name via Navicli. Navicli does not require a reboot of the SP after changing the SP […]
EMC VNX 7500 – 48GB Memory Configuration
Offered with 05.32 release (INYO) is an expanded memory option on the VNX7500 model. This larger memory option allows for a memory upgrade from 24Gig to 48Gig per Service Processor. […]
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