EMC VNX2 – Drive Layout (Guidelines & Considerations)
Applies only to VNX2 Systems. CHOICES made in relation to the physical placement of Drives within a VNX can have an impact on how the VNX performs. The intention here […]
Cisco Nexus 3064 – Configuring Jumbo Frames
The default MTU size on a Nexus 3064 switch is 1500 bytes, the following details how to reconfigure the switch for a system wide MTU value of 9216(jumbo). ——————————————————————————– Note: The Cisco Nexus 3000 Series switch does not fragment frames. As a result, the switch cannot have two ports in the same Layer 2 domain with different maximum transmission units […]
EMC VMAX – Fully Pre-allocate TDEV
By Fully Pre-allocating a TDEV all the tracks associated with the device are reserved, this may be useful for mission critical apps or avoiding any write miss penalties. Example SYMCLI: Single TDEV example: symconfigure -sid xxx -cmd “start allocate on tdev 0c66 end_cyl=last_cyl allocate_type=persistent;” commit Range of TDEVs: symconfigure -sid xxx -cmd “start allocate on tdev 0c6e:1116 end_cyl=last_cyl allocate_type=persistent;” commit […]
Vblock – Advanced Management Pod Second Generation (AMP-2)
Vblock Advanced Management Pod (AMP) The AMP consists of the management components of a Vblock system, these management components are self-Contained and provide Out-of-Band Management for the entire Vblock Infrastructure. The servers and storage(in the case of AMP-2HA) that make up the AMP host all of the Vblock management applications in a dedicated environment separate from that of the production environment. This type of […]
EMC VNXe – Shutdown Procedure
Shutdown via UNISPHERE using the Service Account Please read all notes provided in the ‘More Information..’ section highlighted in the above image before proceeding with shutdown. Shutdown process as documented […]
EMC XtremIO – 4.0 Maximums
The following details the maximum values common to all four X-Brick models and the maximums applicable to each specific X-Brick model. As of XtremIO Verison 4.0 there are four types […]
EMC VNX – Registering RecoverPoint Initiators
The VNX will have been previously zoned to the RPAs at this stage. For example purposes the config below will have the RPA1-port-3 Zoned to the VNX SP-A&B Port 4 […]
vSphere – Migrating A VM To A New VMFS Datastore (CLI: VMKFSTOOLS)
You may encounter a scenario where a vCenter server is not part of a solution and SVMotion is not an option to migrate a VM from one VMFS datastore to […]
EMC VMAX3 – Adding Gatekeeper RDM Volumes To VMware MGMT VM
This post outlines how to create the VMAX Masking view for Gatekeeper RDM volumes and the Script to Automate Adding RDM Disk’s to a VMware MGMT VM. First some notes on Gatekeeper volumes: SE(CLI) and Unisphere(GUI) are the main tools used to manage a VMAX Array, Gatekeeper volumes are required in order to carry these commands from both CLI&GUI and […]
EMC VNX – SMI-S Configuration & Discovery
The following are some configuration notes for configuring SMI-S to allow communication with the ‘VNX Storage Processors’, SMI-S can then be leveraged by for example VCE Vision or ViPR to configure/report on the VNX array. Before proceeding ensure you have the both VNX Storage Processor A&B IP addresses to hand, the SMI-S host will use these IP’s to allow for […]
EMC VMAX3 – CLI Cheat Sheet
Guest post by the VMAX Guru – Paul Martin @rawstorage VMAX3 CLI Cheat Sheet Disclaimer, this is not a comprehensive how to, just a toe in the ocean of VMAX3, […]
EMC VMAX – SMI-S Configuration & Discovery
The following are some configuration notes for configuring the ‘VMAX Management HOST’ for communication via SMI-S for purposes such as ‘ViPR’ or with ‘VCE Vision’. Before proceeding ensure you have […]
EMC VNX – Batch Enabler Installation (By Software Suite)
————————————————————————————– Reference:: VNX® Command Line Interface Reference for Block: The naviseccli ndu command -install function transfers one or more SP driver packages from a user-accessible file system to the system […]
EMC VNXe 3200 – MCx Drive Mobility
Related post: ‘EMC VNX – MCx Hot Sparing Considerations’ MCx code has brought many new features including the revolutionary ‘Multicore Raid’ which includes the ‘Drive Mobility’ feature. Drive Mobility (also […]
EMC VNX – RecoverPoint Enabler Installation
Installing the RecoverPoint Enabler using NAVICLI: Check the list of all ENABLERS currently installed on the VNX: naviseccli -h SP_IP ndu -list A series of rule checks need to be […]
EMC VNX – List of Useful NAS Commands
Verify ‘NAS’ Services are running: Login to the Control Station as ‘nasadmin’ and issue the cmd /nas/sbin/getreason from the CS console. The reason code output should be as follows (see detailed list of Reason Codes below): 10 – slot_0 primary control station 11 – slot_1 secondary control station 5 – slot_2 contacted 5 – slot_3 contacted Complete a full ‘Health […]
VMware PowerCLI – MS Windows Guest VM ‘IP&DNS’ Modification
The following script allows the user to modify an MS Windows Guest VM IP and DNS configuration. You may download the ‘IP&DNS_Modification.ps1‘ script HERE (Remove the .doc extension). Begin by […]
CISCO UCS – Rebooting Fabric Interconnect(s)
Begin by connecting to the cluster IP over SSH and checking which FI is Primary/Subordinate: FI-A# show cluster state A: UP, PRIMARY B: UP, SUBORDINATE Note: show cluster extended-state will provide more detailed information. Having confirmed the ‘B’ fabric switch is the subordinate connect to FI-B mgmt cli interface: FI-A# connect local-mgmt B From FI-B local-mgmt interface issue the reboot […]
EMC XtremIO – VMware VMFS LUN Expansion
In this post I will detail how to increase an XtremIO volume and extend the associated VMware VMFS volume. As can be seen form the XtremIO management interface the existing […]
EMC VMAX³ – Front-End FC WWPN’s & Zoning Considerations
Please begin by downloading the attached PDF here. As you can see this is a fully compiled listing of all 256 possible FC WWPN’s available on a VMAX³ system. A […]
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