1.Change port group security default settings ForgedTransmits and MACAddressChanges to Reject unless the application requires the defaults. As well ensure promiscuous mode kept its default setting of
only introduced in vSphere 5.0 Update 1 or later 1. disk.terminateVMOnPDLDefault = TRUE /etc/vmware/settings it is a per host setting 2. das.maskCleanShutdownEnabled = TRUE it is a per Cluster se
We recommend setting an additional isolation address. If required, you can configure up to 10 additional isolation addresses. We generally recommend an isolation address close to the hosts, in many
Why use an Oracle database? The vCSA comes preinstalled with an embedded DB2 database which has similar use cases as the Windows vCenter Server when configured with SQL Express – intended for
Using VMW_PSP_MRU with ALUA arrays or non-ALUA Active/Passive arrays with ranked paths enables you to set something similar to a preferred path without having to use the VMW_PSP_FIXED plug-in. You may
manual rescans are required for any of the following changes: 1. A new disk array is zoned on a SAN. 2. A new device (LUN) is created on a SAN. 3. The path masking on a host is changed.
In most cases you will add VMFS volumes (LUNs) to your vSphere environment, because most of the time your environment will grow. Adding a LUN is very simple: Just configure the masking correctly on
1. The main log in ESXi 5 is /var/log/vmkernel.log file. 2. another log file is /var/log/boot.gz, using zcat /var/log/boot.gz | less -S to read it To list all paths to a given device, you
If you deploy vMA 5.0 within your virtual infrastructure will find the first time you try to access it by SSH that the appliance is continuously rejecting your connections. Try to check if SSH is e
1. Remove the IDE vmdk from the VM 2. Edit the “vmdk” file (can be found under cd /vmfs/volumes/<datastore_name>/<vm_name>/) 3. Change ddb.adapterType from “ide&rd
TSO: vmxnet2 (enhanced vmxnet) or vmxnet3 verify on Windows: netsh int ip show offload verify on Linux: ethtool -K eth0 Jumbo frames are supported in these configurations:
There are various sorts of advanced settings, but for HA three in particular: 1. das.* –> Cluster level advanced setting. 2. fdm.* –> FDM host level advanced setting (FDM = Fault D
1. 常见的虚拟机重启情况 a. Failed host b. Isolated host c. Failed guest operating system 2. 虚拟机重启优先级别 a. Agent virtual machines b. FT secondary virtual machines c. Virtual Machines configured with
Identifying Devices’ ALUA Configurations esxcli storage nmp device list Identifying ALUA Devices Path State esxcli storage nmp path list
1. We recommend deploying VSMs in an HA pair, use anti-affinity rule to reside on different hosts and/or disable DRS for VSMs, and recommended to put on different datastores for VSMs when using Storag
Scheduling automatic updates in yum is very easy. You can safely enable the auto updates in yum. It can be done simply by editing the yum updates configuration file. Please go through &nbs
Cisco Nexus 1000v 4.2(1)SV2(1.1) There is a free Essential edition available of the Cisco Nexus 1000V. Here is the Download location and the Release Notes The Cisco Nexus 1000V Essential
1. 使用vCenter定制CentOS 5 a. 由于vCenter不支持CentOS系统的定制，需要将安装CentOS 5的系统类型改为Red Hat即可 b. 关机，转为模板 2. 使用vCenter定制CentOS 6 a. 由于vCenter不支持CentOS系统的定制，需要将安装CentOS 6的系统类型改为Red Hat b. 关机前 1). rm -rf /etc/
Are you working with CA signed certificates in your vSphere environment? You might want to check out these recently published KB articles. They will definitely help understanding the whole process
Migrating to a new fresh vCenter server using the vSphere Distributed Switch (VDS) prior vSphere 5.1 is not a easy task. The VDS is part of the vCenter configuration. If you try to import hosts that
Reverse DNS Make sure to have a reverse DNS zone configured for the domain controllers, vCenter, and the SQL server. While this doesn’t have to be a Windows hosted DNS zone, that’s what
During vSphere 4.x to 5.x updates I occasionally run into the situation where dvSwitches are used on the current vCenter4 and the customer wants to install a fresh copy of vCenter5 (with a new
1. Uplinkfast: apply to trunk ports, should be configured only on access-layer switches. # spanning-tree uplinkfast 2. Backbonefast: should be configured on every switch in the network. # spa
Listing MP Claim Rules # esxcli storage core claimrule list Listing PSA plug-in registration # esxcli storage core plugin registration list SATP Claim Rules Each SATP is associated with a default
Microsoft has released tool to convert VMware VMs to Hyper-V VM. After being 6 months in the beta, the Microsoft’s VM converter is finally available. I don’t think that many IT admins wi
1. vCenter Role Based Access Control permissions 2. vCenter Host Profiles 3. ESXi Firewall and Lockdown mode 4. vSwitch Layer 2 security 5. ESXi Active Directory Authentication
To add an ESXi host to a directory service, there are several prerequisites, including the following: 1. The Active Directory domain controllers and domain name must be resolvable in the ESXi host
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