最近公司升级ESXI到5.5 版本，这个过程大家遇见了各种问题，最后同事写了个在DELL服务器上的升级（重装）流程，豆子觉得很不错，拿出来分享一下。
基本流程：
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重新调整网卡顺序，因为网卡的位置顺序在旧版的R710，R720和新版的R720s服务器上是不同的。如果直接升级5.1到5.5，还是使用旧的排序方式，如果重新安装ESXI 5.5，则会使用新的编排顺序。
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安装服务器，连接网线
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配置iDRAC
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配置IDRAC的DNS和主机的DNS
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初始化IDRAC，设置时间，域名，DNS等等
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升级固件，根据DELL的建议是，重启服务器，从life controller启动之后，使用SUU光盘升级除了网卡之外的所有固件，然后从Dell的CentOS 光盘启动，手动安装网卡的驱动程序（BIN格式），这样可以最大的避免各种意外
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安装或者升级 ESXI5.5，最好先去掉FC的连线，避免误安装到SAN上。从ISO启动之后，指定安装路径（本地磁盘或者SD卡上），一路安装下去即可。
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初始配置。安装完毕之后，按F2登录，配置Managment 网络的网卡，VLAN，IP地址，网关， 打 ESXI Shell和SSH
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ALT-F1切换到Shell, 配置
esxcli network vswitch standard policy failover set -a vmnic0,vmnic1,vmnic4,vmnic5 -l iphash -v vSwitch0
esxcli network vswitch standard portgroup policy failover set -p
"Management Network"
-u
然后测试 vmkping 10.0.0.1 (网关地址）
10. 接下来，进行防火墙，PortGroup相关配置
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# Configure ESX Management Network
# Assing PortGroup to VLAN
esxcli network vswitch standard portgroup set -p=
"Management Network"
-v=3064
esxcli network vswitch standard uplink remove -u=vmnic5 -v=vSwitch0
esxcli network vswitch standard uplink add -u=vmnic5 -v=vSwitch0
esxcli network vswitch standard uplink remove -u=vmnic4 -v=vSwitch0
esxcli network vswitch standard uplink add -u=vmnic4 -v=vSwitch0
esxcli network vswitch standard uplink remove -u=vmnic1 -v=vSwitch0
esxcli network vswitch standard uplink add -u=vmnic1 -v=vSwitch0
esxcli network ip interface ipv4 set -i=vmk0 -I=10.71.64.107 -N=255.255.255.0 -t=static
esxcli network vswitch standard policy failover set -a=vmnic0,vmnic1,vmnic4,vmnic5 -l=iphash -v=vSwitch0
# If needed inherit policy from vSwitch to Portgroup
esxcli network vswitch standard portgroup policy failover set -p=
"Management Network"
-u
# Change Default gateway
esxcfg-route 10.71.64.1
# Remove Portgroup on Management switch
esxcli network vswitch standard portgroup remove -p=
"VM Network"
-v=vSwitch0
esxcli network vswitch standard uplink remove -u=vmnic0 -v=vSwitch0
esxcli network vswitch standard uplink add -u=vmnic0 -v=vSwitch0
===========================================================================================
# Configure ESX Data Network
esxcli network vswitch standard add -v=vSwitch1
esxcli network vswitch standard uplink add -u=vmnic7 -v=vSwitch1
esxcli network vswitch standard uplink add -u=vmnic6 -v=vSwitch1
esxcli network vswitch standard uplink add -u=vmnic3 -v=vSwitch1
esxcli network vswitch standard uplink add -u=vmnic2 -v=vSwitch1
esxcli network vswitch standard portgroup add -p=
"C1_VLAN10"
-v=vSwitch1
esxcli network vswitch standard portgroup set -p=
"C1_VLAN10"
-v=10
esxcli network vswitch standard portgroup add -p=
"DMZ"
-v=vSwitch1
esxcli network vswitch standard portgroup set -p=
"DMZ"
-v=3127
esxcli network vswitch standard policy failover set -a=vmnic2,vmnic3,vmnic6,vmnic7 -l=iphash -v=vSwitch1
=============================================================================================
# Set DNS and hostname
esxcli system hostname set --host aunswesx07
esxcli network ip dns search add --domain=test.com.au
esxcli network ip dns server add --server=10.70.0.19
esxcli network ip dns server add --server=10.70.0.12
# Suppress warnings about SSH and SSL
esxcli system settings advanced set -o=
"/UserVars/SuppressShellWarning"
-i=1
================================================================================================
# Syslogs
================================================================================================
esxcli system syslog config set --loghost
'udp://auttnm01.test.com.au:514'
esxcli network firewall ruleset set --ruleset-id syslog --enabled true
esxcli network firewall refresh
================================================================================================
# SNMP to OME Server
================================================================================================
esxcli system snmp set --communities=EsxSNMP --enable=yes --targets=10.71.32.203/EsxSNMP
================================================================================================
# NTP
================================================================================================
esxcli network firewall ruleset set --ruleset-id ntpClient --enabled true
echo restrict 127.0.0.1 > /etc/ntp.conf
echo restrict
default
kod nomodify notrap noquerynopeer >> /etc/ntp.conf
echo server 10.71.64.125 >> /etc/ntp.conf
echo server 10.71.3.125 >> /etc/ntp.conf
echo driftfile /etc/ntp.drift >> /etc/ntp.conf
/sbin/chkconfig ntpd on
=================================================================================================
esxcli network vswitch standard add -v vSwitchISCSI
esxcli network vswitch standard set -m 9000 -v vSwitchISCSI
esxcli network vswitch standard uplink add -u vmnic11 -v vSwitchISCSI
esxcli network vswitch standard uplink add -u vmnic9 -v vSwitchISCSI
# Adding iSCSI interface
esxcli network vswitch standard portgroup add -p iSCSI0 -v vSwitchISCSI
esxcli network vswitch standard portgroup set -p iSCSI0 -v 10
esxcli network ip interface add -p iSCSI0 -i vmk1
esxcli network ip interface set -m 9000 -i vmk1
esxcli network ip interface ipv4 set -i=vmk1 -I=192.168.0.22 -N=255.255.255.0 -t=static
esxcli network vswitch standard portgroup add -p iSCSI1 -v vSwitchISCSI
esxcli network vswitch standard portgroup set -p iSCSI1 -v 10
esxcli network ip interface add -p iSCSI1 -i vmk2
esxcli network ip interface set -m 9000 -i vmk2
esxcli network ip interface ipv4 set -i=vmk2 -I=192.168.0.23 -N=255.255.255.0 -t=static
# Adding iSCSI VM Port Group
esxcli network vswitch standard portgroup add -p=
"iSCSI_Passthrough"
-v=vSwitchISCSI
esxcli network vswitch standard portgroup set -p=
"iSCSI_Passthrough"
-v=4095
# Adding vMotion interface
esxcli network vswitch standard portgroup add -p vMotion -v vSwitchISCSI
esxcli network vswitch standard portgroup set -p vMotion -v 4050
esxcli network ip interface add -p vMotion -i vmk3
esxcli network ip interface set -m 9000 -i vmk3
esxcli network ip interface ipv4 set -i=vmk3 -I=172.0.0.105 -N=255.255.255.0 -t=static
esxcli network vswitch standard policy failover set -a=vmnic9,vmnic11 -v=vSwitchISCSI
# enable vMotion on an interface
vim-cmd hostsvc/vmotion/vnic_set vmk3
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11. 配置SAN
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配置Brocades
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配置Compellent
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重启或者rescan ESXI
12.通过vCenter连入ESXI，通过update Manager PlugIn 连接Baselines，然后升级
13. 重复以上操作，对所有的主机完成安装升级之后，打开HA和DRS等功能
本文转自 beanxyz 51CTO博客，原文链接：http://blog.51cto.com/beanxyz/1571512，如需转载请自行联系原作者
