Category: VMware

VMware ESXi 6.0 Update 2 is out

VMware released ESXi 6.0 Update 2 on March 15th 2016. This release has a couple important bug fixes for ESXi hosts.

ESXi 6.0 Update 2

  • Hostd stops responding when esxcli commands are executed using PowerCLI

 

  • ESXi host experiences a purple diagnostic screen with multiple Correctable Machine Check Interrupt (CMCI) messages
    • The purple screen will show something similar to:
      PCPU : no heartbeat (2/2 IPIs received)
      0xXXXXXXXXXXXX:[0xXXXXXXXXXXXX]MCEReapMCABanks@vmkernel#nover+0x195
      0xXXXXXXXXXXXX:[0xXXXXXXXXXXXX]MCEHandleCMCI@vmkernel#nover+0xb4
      0xXXXXXXXXXXXX:[0xXXXXXXXXXXXX]IRQ_DoInterrupt@vmkernel#nover+0x33e
      0xXXXXXXXXXXXX:[0xXXXXXXXXXXXX]IDT_IntrHandler@vmkernel#nover+0x12b 0xXXXXXXXXXXXX:[0xXXXXXXXXXXXX]gate_entry@vmkernel#nover+0x64
      0xXXXXXXXXXXXX:[0xXXXXXXXXXXXX]LFQueue_Dequeue@vmkernel#nover+0x59
      0xXXXXXXXXXXXX:[0xXXXXXXXXXXXX]MCEBottomHalf@vmkernel#nover+0x39
      0xXXXXXXXXXXXX:[0xXXXXXXXXXXXX]BH_DrainAndDisableInterrupts@vmkernel#nover+0xf3
      0xXXXXXXXXXXXX:[0xXXXXXXXXXXXX]VMMVMKCall_Call@vmkernel#nover+0x2c6

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Setting up an ODBC connection for Horizon View Composer

Last week I set up VMware Horizon View 6 with View Composer etc and ran into an issue with setting up a proper ODBC connection for View Composer.

odbc connectionBefore actually setting up a new ODBC Data Source for VMware View Composer, you’ll need to create a user and password on your database server.

In my case, I used Microsoft SQL Server 2012 and used Microsoft SQL Server Management Studio to set up a new user for my Horizon View DB.

Let’s go through the steps to get everything set up:

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VMware Tools Spamming Logs

I noticed the following message in one of my VM’s vmware.log:

2016-01-17T06:58:41.066Z| vcpu-2| I120: GuestRpc: Channel 2, conflict: guest application toolbox tried to register, but it is still registered on channel 0
2016-01-17T06:58:41.066Z| vcpu-2| I120: GuestRpc: Channel 2 reinitialized.
2016-01-17T06:58:41.066Z| vcpu-2| I120: GuestRpc: Channel 2 reinitialized.
2016-01-17T06:58:41.066Z| vcpu-2| I120: GuestRpc: Channel 2 reinitialized.

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Top 4 – ESXi one-liner scripts

bash-148836_960_720I have caught myself quiet a few times running a bunch of one-liner scripts on ESXi.
Whether I setup ESXi, troubleshoot something or just test a feature, one-liners can often simplify whatever task you’re trying to complete.

Below is the list of one-liner scripts, which I use at least once a week.

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