* 모델 : C93180YC-EX
* 기존OS : nxos.9.3.7.bin
* 변경OS : nxos.7.0.3.I7.3.bin
* 9.3.5 -----> 7.0.3.I7.3 OS 다운그레이드 시 OS install fail
: install deactivate icam 설정 후 OS 재설치 (9.3.5 버전 부터 ICAM 기능이 활성화되어있으며 '7.'버전에서는 ICAM을 지원하지 않는다. 이로인해 다운그레이드 전 ICAM 비활성가 선행되어야 한다.)
ICAM 관련 링크
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switch# install all nxos bootflash:nxos.7.0.3.I7.3.bin
Installer will perform compatibility check first. Please wait.
Installer is forced disruptive
Verifying image bootflash:/nxos.7.0.3.I7.3.bin for boot variable "nxos".
[####################] 100% -- SUCCESS
Verifying image type.
[####################] 100% -- SUCCESS
Preparing "nxos" version info using image bootflash:/nxos.7.0.3.I7.3.bin.
[####################] 100% -- SUCCESS
Preparing "bios" version info using image bootflash:/nxos.7.0.3.I7.3.bin.
[####################] 100% -- SUCCESS
"Running-config contains configuration that is incompatible with the new image (strict incompatibility).
Please run 'show incompatibility-all nxos <image>' command to find out which feature needs to be disabled.".
Performing module support checks.
[####################] 100% -- SUCCESS
Notifying services about system upgrade.
[# ] 0% -- FAIL.
Return code 0x437F0001 ((null)).
"Running-config contains configuration that is incompatible with the new image (strict incompatibility).
Please run 'show incompatibility-all nxos <image>' command to find out which feature needs to be disabled."
Service "icam" in vdc 1: iCAM service downgrade to the target version is not supported.
Please deactivate iCAM using 'install deactivate icam' before proceeding with downgrade.
Pre-upgrade check failed. Return code 0x437F0001 ((null)).
switch#
switch#
switch# show incompatibility-all nxos bootflash:nxos.7.0.3.I7.3.bin
Checking incompatible configuration(s) for vdc 'switch':
--------------------------------------------------------
The following configurations on active are incompatible with the system image
1) Service : icam , Capability : CAP_FEATURE_ICAM
Description : iCAM service is running.
Capability requirement : STRICT
Enable/Disable command : Deactivate iCAM using 'install deactivate icam'
2) Service : bootvar , Capability : CAP_FEATURE_IMAGE_SIGNATURE_VERIFY
Description : feature signature-verification enabled
Capability requirement : LOOSE
Enable/Disable command : Disable image signature verification by using no feature signature-verification
Checking dynamic incompatibilities:
-----------------------------------
No incompatible configurations
switch#
switch# sh feature
Feature Name Instance State
-------------------- -------- --------
icam 1 enabled
###########################################################################################
###########################################################################################
###########################################################################################
###########################################################################################
switch#
switch# install deactivate icam
=================================================================================
WARNING!!
This operation will remove 'icam-2.0.0.0-9.3.7.lib32_n9000' related configuration from running-configuration
on successful completion. Update startup-configuration accordingly.
==================================================================================
[####################] 100%
Install operation 1 completed successfully at Thu Feb 2 17:39:38 2023
switch#
switch# sh install all impact nxos bootflash:nxos.7.0.3.I7.3.bin
Installer will perform impact only check. Please wait.
Verifying image bootflash:/nxos.7.0.3.I7.3.bin for boot variable "nxos".
[####################] 100% -- SUCCESS
Verifying image type.
[####################] 100% -- SUCCESS
Preparing "nxos" version info using image bootflash:/nxos.7.0.3.I7.3.bin.
[####################] 100% -- SUCCESS
Preparing "bios" version info using image bootflash:/nxos.7.0.3.I7.3.bin.
[####################] 100% -- SUCCESS
Warning: the running-config contains configuration that is incompatible with the new image and will be lost (loose incompatibility).
Please run 'show incompatibility-all nxos <image>' command for more details .
[####################] 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 Incompatible image for ISSU
Images will be upgraded according to following table:
Module Image Running-Version(pri:alt) New-Version Upg-Required
------ ---------- ---------------------------------------- -------------------- ------------
1 nxos 9.3(7) 7.0(3)I7(3) yes
1 bios v07.69(04/07/2021):v07.69(04/07/2021) v07.61(04/06/2017) no
switch#
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cs |
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