Monthly Archives: March 2015

Analyze command line output to identify vSS and vDS configuration details

[VMware] esxcfg-vswitch esxcli network vswitch standard net-dvs -l esxcfg-vmknic esxcli network ip esxcli network nic List vSwitches ~ # esxcfg-vswitch -l Switch Name Num Ports Used Ports Configured Ports MTU Uplinks vSwitch0 128 1 128 1500 PortGroup Name VLAN ID … Continue reading

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Some Best Practices For VMware !

Storage Best Practices. Best Practices for Virtual Machine and Host Security. vSphere Security Best Practices. vSphere Availability Best Practices Best Practices for Upgrades and Migrations. Best Practices and Recommendations for Update Manager Environment Auto Deploy Best Practices Troubleshooting Best Practices … Continue reading

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Configure advanced vSS settings – Objective 2.1 – Implement and manage virtual standard switch (vSS) networks

– – Mac ADDRESS TYPE: · Initial Address = Similar to a burned in address, this MAC is set by the configuration file (vmx) for the virtual network adapter. Cannot be changed by the guest OS, but can be changed … Continue reading

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ESXTOP in quick – Troubleshoot common storage issues

Always remember by these mix of letters : VDP (With) CUMIN , I am sorry but I can’t remember all letters but this way 🙂 v = disk VM d = disk adapter p = power states c = cpu … Continue reading

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Perform command line configuration of multipathing options – Change a multipath policy

What do the acronyms mean? · PSA = Pluggable Storage Architecture · NMP = Native MultiPathing · MPP = MultiPathing Plugin · PSP = Path Selection Plugin · SATP = Storage Array Type Plugin · ALUA = Asymmetric Logical Unit … Continue reading

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Apply space utilization data to manage storage resources

Using vmkfstools: OPTIONS FOR FILE SYSTEMS: vmkfstools -C –createfs [vmfs3|vmfs5] -b –blocksize #[mMkK] -S –setfsname fsName -Z –spanfs span-partition -G –growfs grown-partition deviceName -P –queryfs -h –humanreadable -T –upgradevmfs vmfsPath -y –reclaimBlocks vmfsPath [–reclaimBlocksUnit #blocks] OPTIONS FOR VIRTUAL DISKS: vmkfstools … Continue reading

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Administer hardware acceleration for VAAI

vSphere Storage APIs for Array Integration (VAAI) We need to add two claim rules, one for the VAAI filter and another for the VAAI plug-in. Display Hardware Acceleration Filter Run the esxcli storage core plugin list Display Hardware Acceleration Plug-Ins … Continue reading

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Identify and tag SSD and local devices

Below I will tag attached local device as SSD , use case , you might have device not identified by ESXi as SSD or for test prupose: Information you need before you start: 1. Device name: ~ # esxcli storage … Continue reading

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Objective 1.1-Implement Complex Storage Solutions

• Analyze I/O workloads to determine storage performance requirements Latency (also called response time) describes the time taken to complete a single I/O (input output) operation and is essentially a measure of how fast a storage system responds to read … Continue reading

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Understand and apply LUN masking using PSA-related commands

 Part#3 LUN masking by Storage transport: (iSCSI or all FC) I am trying here to mask LUN 2 ONLY coming through this ISCSI adapter, I used below commands to get it working: esxcfg-mpath -L esxcfg-scsidevs -m esxcli storage core … Continue reading

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