CISCO IOS XR软件补丁（SMU）安装操作
1、首先，将SMU安装包上传到IOS XR路由器本地磁盘，通过查看指定磁盘目录，可以看到将要安装的SMU安装包，如下所示：
RP/0/RP0/CPU0:MC-LCC0-40G#dir harddisk:/smu
Thu Jan 15 08:07:22.089 UTC
Directory of harddisk:/smu
59041 -rwx 368158Wed Jan 14 07:09:20 2015hfr-px-5.1.4.CSCur74848.pie
2014288 -rwx 1393642Wed Jan 14 07:10:07 2015hfr-px-5.1.4.CSCur39971.pie
2014287 -rwx 6129366Wed Jan 14 07:10:25 2015hfr-px-5.1.4.CSCuq95241.pie
15426650112 bytes total (12678681088 bytes free)
2、加载SMU安装包，加载完成后，SMU安装包会解压到disk0磁盘（相当于windows操作系统C盘），输出信息会提示disk0下SMU安装包路径，如下红色字体所示：
RP/0/RP0/CPU0:MC-LCC0-40G(admin)#install addharddisk:/smu/hfr-px-5.1.4.CSCur74848.pie synchronous
Thu Jan 15 08:07:50.335 UTC
Install operation 38 '(admin) install add/harddisk:/smu/hfr-px-5.1.4.CSCur74848.pie synchronous' started by user 'cisco'via CLI at 08:07:50 UTC Thu Jan 15 2015.
Info: The followingpackage is now available to be activated:
Info:
Info: disk0:hfr-px-5.1.4.CSCur74848-1.0.0
Info:
Info: The package can beactivated across the entire router.
Info:
Install operation 38 completed successfully at 08:07:56 UTC Thu Jan15 2015.
3、SMU安装包加载成功后，通过命令可以在未激活安装包列表中查看到其信息，如下所示：
RP/0/RP0/CPU0:MC-LCC0-40G(admin)#sho install summary
Thu Jan 15 08:08:07.422 UTC
Default Profile:
Admin Resources
SDRs:
Owner
Active Packages:
disk0:hfr-services-px-5.1.4
disk0:hfr-mpls-px-5.1.4
disk0:hfr-mini-px-5.1.4
disk0:hfr-doc-px-5.1.4
disk0:hfr-k9sec-px-5.1.4
disk0:hfr-mgbl-px-5.1.4
disk0:hfr-fpd-px-5.1.4
disk0:hfr-mcast-px-5.1.4
disk0:hfr-diags-px-5.1.4
Inactive Packages:
disk0:hfr-px-5.1.4.CSCur74848-1.0.0
Committed Packages:
disk0:hfr-services-px-5.1.4
disk0:hfr-mpls-px-5.1.4
disk0:hfr-mini-px-5.1.4
disk0:hfr-doc-px-5.1.4
disk0:hfr-k9sec-px-5.1.4
disk0:hfr-mgbl-px-5.1.4
disk0:hfr-fpd-px-5.1.4
disk0:hfr-mcast-px-5.1.4
disk0:hfr-diags-px-5.1.4
Superceded Packages:
No packages.
4、激活SMU安装包，注意选择SMU安装包解压后的路径，应该选择disk0磁盘下的，命令和输出如下所示；如果有多个SMU安装包进行激活，可以在一条命令中同时列出多个SMU安装包的信息，而不需要通过多条命令来执行，如果有多个SMU安装包激活时需要重启系统的，则可以避免多次重启系统；
RP/0/RP0/CPU0:MC-LCC0-40G(admin)#install activate disk0:hfr-px-5.1.4.CSCur74848-1.0.0synchronous
Thu Jan 15 08:10:02.352 UTC
Install operation 40 '(admin) install activatedisk0:hfr-px-5.1.4.CSCur74848-1.0.0 synchronous' started by user 'cisco' viaCLI at 08:10:02 UTC Thu Jan 15 2015.
Info: This operation willreload the following nodes in parallel:
Info: 0/4/SP(MSC-DRP-SP) (Admin Resource)
Info: 0/6/SP(MSC-DRP-SP) (Admin Resource)
Info: 0/4/CPU0 (LC)(SDR: Owner)
Info: 0/6/CPU0 (LC)(SDR: Owner)
Info: 0/RP0/CPU0(CRS16-RP-x86) (SDR: Owner)
Info: 0/FC0/SP (SP)(Admin Resource)
Info: 0/FC1/SP (SP)(Admin Resource)
Info: 0/AM1/SP (SP)(Admin Resource)
Info: F0/AM1/SP (SP)(Admin Resource)
Info: F0/LM0/SP (SP)(Admin Resource)
Info: F0/LM1/SP (SP)(Admin Resource)
Info: 0/SM0/SP(Fabric-SP) (Admin Resource)
Info: 0/SM1/SP(Fabric-SP) (Admin Resource)
Info: 0/SM2/SP(Fabric-SP) (Admin Resource)
Info: 0/SM3/SP(Fabric-SP) (Admin Resource)
Info: 0/SM4/SP(Fabric-SP) (Admin Resource)
Info: 0/SM5/SP(Fabric-SP) (Admin Resource)
Info: 0/SM6/SP(Fabric-SP) (Admin Resource)
Info: 0/SM7/SP(Fabric-SP) (Admin Resource)
Info: F0/SM0/SP(400G-Fabric-SP-C) (Admin Resource)
Info: F0/SM3/SP(400G-Fabric-SP-C) (Admin Resource)
Info: F0/SM6/SP(400G-Fabric-SP-C) (Admin Resource)
Info: F0/SM9/SP(400G-Fabric-SP-C) (Admin Resource)
Info: F0/SM12/SP(400G-Fabric-SP-C) (Admin Resource)
Info: F0/SM15/SP(400G-Fabric-SP-C) (Admin Resource)
Info: F0/SM18/SP(400G-Fabric-SP-C) (Admin Resource)
Info: F0/SM21/SP(400G-Fabric-SP-C) (Admin Resource)
Info: F0/SC0/CPU0(CRS-SC-B) (Admin Resource)
Info: F0/SC1/CPU0(CRS-SC-B) (Admin Resource)
Proceed with this install operation (y/n)? [y]
Info: Install Method:Parallel Reload
Info: The changes made tosoftware configurations will not be persistent across system reloads. Use thecommand '(admin) install commit' to make changes
Info: persistent.
Info: Please verify thatthe system is consistent following the software change using the followingcommands:
Info: show systemverify
Info: install verifypackages
Install operation 40 completed successfully at 08:12:27 UTC Thu Jan15 2015.
5、SMU安装包激活成功后，可以看到该SMU安装包在激活安装包列表中，如下所示：
RP/0/RP0/CPU0:MC-LCC0-40G(admin)#sho install summary
Thu Jan 15 08:12:48.878 UTC
Default Profile:
Admin Resources
SDRs:
Owner
Active Packages:
disk0:hfr-services-px-5.1.4
disk0:hfr-mpls-px-5.1.4
disk0:hfr-mini-px-5.1.4
disk0:hfr-doc-px-5.1.4
disk0:hfr-k9sec-px-5.1.4
disk0:hfr-mgbl-px-5.1.4
disk0:hfr-fpd-px-5.1.4
disk0:hfr-mcast-px-5.1.4
disk0:hfr-diags-px-5.1.4
disk0:hfr-px-5.1.4.CSCur74848-1.0.0
Inactive Packages:
No packages.
Committed Packages:
disk0:hfr-services-px-5.1.4
disk0:hfr-mpls-px-5.1.4
disk0:hfr-mini-px-5.1.4
disk0:hfr-doc-px-5.1.4
disk0:hfr-k9sec-px-5.1.4
disk0:hfr-mgbl-px-5.1.4
disk0:hfr-fpd-px-5.1.4
disk0:hfr-mcast-px-5.1.4
disk0:hfr-diags-px-5.1.4
Superceded Packages:
No packages.
6、如果是需要重启的SMU安装包，SMU安装包成功激活后，IOSXR系统自动进行重启，重启完成后，还需要执行commit，否则，下次重启该SMU可能失效；而且commit建议在重启完成后执行，如果SMU安装包后系统异常，可以通过重启系统来进行回退操作，如果重启前先执行了commit操作，则需要执行去激活SMU安装包。commit操作如下所示：
RP/0/RP0/CPU0:MC-LCC0-40G(admin)#install commit
7、注意：在执行SMU操作的时候，要确保各板卡和硬件模块状态正常，否则无法执行SMU；例如，有一块板卡故障，则需要先手动关闭板卡，再执行SMU。
以上内容是个人实操输出，理解可能不当之处，水平有限，仅供参考。
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