Posts tagged vSphere

VMware vSphere: Safely remove network controller

Feb 19th

Posted by Christian in Life

1 comment

Well, it’s another day another fight. As we started migrating our VM’s from the old VMware ESX farms to the new environment, and upgraded the hardware suddenly the network devices were hot-plug-able, thus they did turn up in the “Safely Remove” dialog.

I myself don’t have any trouble with that. The trouble I do have is the people working with those VM’s and their possibly hazardous “uuuh, what’s this ? I don’t need this! <click-click, network-device unplugged>”

So I went googling (why isn’t that a dictionary term by now ?) and found something. Simple solution is to disable the hot plugging of hardware in the VM’s settings.

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ESX: Query CDP information from the command line

Oct 29th

Posted by Christian in Life

I’m just tracing some troubles I’m having with a backup server and two (independent) network adapter ports (as in two ports on two different dual-port nics). If I enable the port and set it to auto configuration, it’ll get 100MBit/Half-Duplex, but the Portgroup becomes unavailable.

In order to get the connection back, I need to logon on the console (thank god even the backup server got an iLO2), and manually (as in esxcfg-nics -s 1000 -d full vmnic1) configure the adapter to 1GBit/s and full-duplex.

Since I didn’t want to go downstairs and trace the damn cables, I figured I could use the CDP features included in ESX. Turn the NICs on as 100MBit/Half-Duplex and run:

vmware-vim-cmd hostsvc/net/query_networkhint --pnic-names=vmnic1 | \
  egrep "(address|portId)"
         address = "10.0.0.35",
         portId = "GigabitEthernet0/28",

That’s all the networking guys should need. Switch’s IP-address and the Switch Port where the card is connected to. *Tada*.

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