從版本 7.x 降級至版本 6.0(2) U6 (x)
本節包含從版本 7.x 降級至版本 6.0(2) U6 (3a) 的範例。未透過全部安裝正式支援從版本 7.x 降級至 6.0(2) U6(3a) 的組態。
注意:從版本 7.x 降級至 6.0(2)U6(x),依預設,您將降級至版本 6.0(2) U6 (3a)。從 6.0(2) U6(3a) 版本起,您可以進一步降級至任何 6.0(2) U6(x) 版本。
警示:請確定您已儲存 7.x 版前組態檔案以供日後使用。
完成下列步驟,將版本從 7.x 版降級至版本 6.0(2) U6 (3a):
- 輸入命令:寫入清除
switch# write erase
Warning: This command will erase the startup-configuration.
Do you wish to proceed anyway? (y/n) [n] y
switch#
- 輸入命令:寫入清除開機
switch# write erase boot
Warning: This command will erase the boot variables and the ip-configuration of interface management 0.
Do you wish to proceed anyway? (y/n) [n] y
switch#
- 輸入命令:copy Release 6.0(2)U6(3a)-config> startup-config
switch# copy downgrade startup-config
- 輸入命令:安裝所有 kickstart img.kick> system img.sys> no-save bios-force
注意:「No-save」選項現在必須從版本 7.x 降級至版本 6.x。BIOS-force 是隱藏選項,僅適用于執行 7.x 版本的 Cisco Nexus 3000 系列交換器。
switch# install all kickstart n3000-uk9-kickstart.6.0.2.U6.3.bin system n3000-uk9.6.0.2.U6.3.bin no-save bios-force
Installer will perform compatibility check first. Please wait.
Installer is forced disruptive.
Verifying image bootflash:/n3000-uk9-kickstart.6.0.2.U6.3.bin for boot variable "kickstart".
[####################] 100% -- SUCCESS
Verifying image bootflash:/n3000-uk9.6.0.2.U6.3.bin for boot variable "system".
[####################] 100% -- SUCCESS
Verifying image type.
[####################] 100% -- SUCCESS
Preparing "system" version info using image bootflash:/n3000-uk9.6.0.2.U6.3.bin.
[####################] 100% -- SUCCESS
Preparing "kickstart" version info using image bootflash:/n3000-uk9-kickstart.6.0.2.U6.3.bin.
[####################] 100% -- SUCCESS
Preparing "bios" version info using image.
[####################] 100% -- SUCCESS
Performing module support checks.
[####################] 100% -- SUCCESS
Notifying services about system upgrade.
[####################] 100% -- SUCCESS
Compatibility check is done:
Module bootable Impact Install-type Reason
------ -------- -------------- ------------ ------
1 yes disruptive reset Hitless upgrade is not supported
Images will be upgraded according to following table:
Module Image Running-Version(pri:alt) New-Version Upg-Required
------ ---------- ---------------------------------------- -------------------- ------------
1 system 7.0(3)I3(1) 6.0(2)U6(3a) yes
1 kickstart 7.0(3)I3(1) 6.0(2)U6(3a) yes
1 bios v3.1.0(05/26/2015) v2.7.0(10/15/2013) no
Switch will be reloaded for disruptive upgrade.
Install is in progress, please wait.
Performing runtime checks.
[####################] 100% -- SUCCESS
Setting boot variables.
[####################] 100% -- SUCCESS
Performing configuration copy.
[####################] 100% -- SUCCESS
Module 1: Refreshing compact flash and upgrading bios/loader/bootrom.
Warning: please do not remove or power off the module at this time.
[####################] 100% -- SUCCESS
Converting startup config.
[####################] 100% -- SUCCESS
Finishing the upgrade, switch will reboot in 10 seconds.
switch#
版本 6.0(2) U6(3a) 組態的 ASCII 重播會以所需的組態和版本 6.0(2) U6(3a) 映射來顯示交換器。
5.若要確認是否存在開機變數,請輸入命令:show boot。如果開機變數不存在,請輸入下列命令集以手動更新開機變數:
switch# configure t
switch (config)# boot kickstart
switch (config)# boot system
switch (config)# copy run start
注意:如果交換器上發生鎖定,請執行 tftp 開機。