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ESXi 3.5.0 Update 4 Host Disconnects

#> /sbin/services.sh restart

#> /etc/init.d/sfcbd-watchdog stop

Labels: CIM ESXi Update 4 Host Disconnects

Posted by Dominic Rivera at Wednesday, July 01, 2009.

ESX and CDP (Cisco Discovery Protocol)

vmprofessional #>esxcfg-vswitch -B listen vSwitch0

#!/usr/bin/perl -w
use strict;
use warnings;
use Getopt::Long;
use Term::ANSIColor qw(:constants);
$Term::ANSIColor::AUTORESET = 1;
use VMware::VIRuntime;

my $username = "username";
my $password = "password";

my @service_urls = qw|
https://esxhost_or_vc1.yourdomain.com/sdk
https://esxhost_or_vc2.yourdomain.com/sdk
|;


foreach (@service_urls){
  my $service_url = $_;
  print "Gathering host information from server: ";
  print BLUE "$service_url\n";
  Vim::login(service_url => $service_url, user_name => $username, password => $password);
  my $hostViews = Vim::find_entity_views(view_type => 'HostSystem' );

  foreach (@$hostViews ) {
    print "Host: ", $_->name, ".\n";
    my $version = $_->config->product->fullName;
    $version =~ s/.*-(\d+)/$1/;
    # Only hosts > ESX 3.5.0 ( build 64607 ) could have CDP information
    unless ( $version > 64607 ){
      print "Host: ", $_->name, " < ESX 3.5.0, Skipping \n";
      next;
    }
    my $netMgr = Vim::get_view(mo_ref => $_->configManager->networkSystem);
    my @physicalNicHintInfo = $netMgr->QueryNetworkHint();
    foreach (@physicalNicHintInfo){
      foreach ( @{$_} ){
       my $device = $_->device;
       if ( defined $_->connectedSwitchPort ){
         my $port = $_->connectedSwitchPort->portId;
         my $switch = $_->connectedSwitchPort->devId;
         my $vlan = $_->connectedSwitchPort->vlan;
         print "$device $switch $port $vlan\n";
       }
      }
    }
    print "\n";
  }
}
Vim::logout();

Labels: CDP

Posted by Dominic Rivera at Tuesday, June 23, 2009.

MAC address cloning

ethernet0.addressType = "static"
ethernet0.address = "00:50:56:00:00:01"

$> service network stop
$> ifconfig eth0 hw ether 00:00:DE:AD:BE:EF
$> service network start

ethernet0.addressType = “static”
ethernet0.Address = “00:00:DE:AD:BE:EF″
ethernet0.checkMACAddress = “false”

Labels: MAC address cloning

Posted by Dominic Rivera at Monday, June 22, 2009.

Protecting your SAN LUNs during installation

#!/bin/sh

# This will remove the loaded HBA modules from the kernel
remove_qla(){
for i in $(lsmod | grep qla | awk '{print $1'}); do
 echo Will remove: $i >> /dev/tty1
rmmod $i
sleep 1
done
}

remove_lpfc(){
for i in $(lsmod | grep lpfc | awk '{print $1'}); do
 echo Will remove: $i >> /dev/tty1
rmmod $i
sleep 1
done
}

remove_qla
sleep 2
remove_qla
remove_lpfc

ignoredisk –-drives=sda,sdb,sdc,sdd,sde,sdf,sdg,sdh,sdi,sdj,sdk,etc,etc

# Bootloader options
bootloader –location=mbr –driveorder=cciss/c0d0
# Disk Partitioning
clearpart --all --initlabel --drives=cciss/c0d0
part /boot      --fstype ext3    --size 250   --ondisk cciss/c0d0  --asprimary
part /          --fstype ext3    --size 5192  --ondisk cciss/c0d0  --asprimary
part swap       --fstype swap    --size 1600  --ondisk cciss/c0d0  --asprimary
part /var/log   --fstype ext3    --size 4096  --ondisk cciss/c0d0
part /tmp       --fstype ext3    --size 4096  --ondisk cciss/c0d0
part /home      --fstype ext3    --size 2048  --ondisk cciss/c0d0
part None       --fstype vmfs3   --size 8192  --ondisk cciss/c0d0  --grow
part None       --fstype vmkcore --size 100   --ondisk cciss/c0d0

Labels: emulex qlogic kickstart san lun installation

Posted by Dominic Rivera at Friday, June 19, 2009.

displayName != Name on disk

#!/usr/bin/perl -w

use VMware::VIRuntime;

my $username = 'vi_username';
my $password = 'vi_password';
my $url = 'https://vcenter.yourdomain.com/sdk';

Vim::login( service_url => $url, user_name => $username, password => $password );

 my $vms = Vim::find_entity_views(
   view_type => 'VirtualMachine',
 );


 foreach my $vm ( @$vms ){
  my $path = $vm->summary->config->vmPathName;
  my $name = $vm->name;
  $_ = $path;

  # example syntax for $path [datastore] /.vmx
  m/\[.+\]\s(.+)\//;

  # Print out the VMs who have a folder that doesn't match their displayName
  unless ( $name eq $1 ){
   print "Mismatch: $name -> $1\n";
  }

 }

Labels: displayName Storage VMotion datastore sanity

Posted by Dominic Rivera at Wednesday, June 17, 2009.

Import / Export Custom Attributes

foreach ($vm in (import-csv "export.csv")){
  $myvm = get-vm $vm.Name
  set-customfield -entity $myvm -name "Business Line" -value $vm."Business Line"
  set-customfield -entity $myvm -name "Maintenance Window" -value $vm."Maintenance Window"
}

Posted by Dominic Rivera at Wednesday, June 17, 2009.

SLES 10 - Upgrading to the LSI Logic SCSI Adapter

bash:# modprobe mptbase
bash:# modprobe mptscsih
bash:# modprobe mptspi

INITRD_MODULES="Buslogic "

INITRD_MODULES="Buslogic mptbase mptscsih mptspi "

bash:# mkinitrd

Labels: SLES 10 vSphere ESXi 4.0 upgrade

Posted by Dominic Rivera at Wednesday, June 17, 2009.