EMC XtremIO: VMware ESXi Multi-Array Settings
The following table represents the recommended VMware vSphere ESXi host settings to be applied when an ESXi host(s) is connected to a single array and also details multi-array settings when at […]
EMC XtremIO – Smart Zoning Example
The example provided is based on the following design: Dual X-Brick Cluster Cisco MDS Switches – Dual Fabric VMware ESXi 4x Host Environment 4 Smart Zoned Paths per ESXi Host (2 paths […]
EMC XtremIO – VPLEX BackEnd Connectivity Considerations
This post will detail some general best practices for VPLEX Back-end connectivity to an XtremIO storage array. As you will see from the diagrams below each VPLEX director should have […]
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 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 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 – 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 […]
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