Symptom

When attempting a downgrade from 731.35i to 653 release on ASR9K x64, operation is failing due to the following comments: RP/0/RP0/CPU0:BD1-EXR-LER1#show install log 1501 detail Mon Dec 7 09:39:21.020 PST 2020-12-06 22:04:19:: Install operation 1501 started by root: 2020-12-06 22:04:19:: install replace source harddisk:/image/asr9k-goldenk9-x64.iso-6.5.3.rev9 noprompt 2020-12-06 22:04:20:: No install operation in progress at this moment 2020-12-06 22:04:20:: Checking system is ready for install operation 2020-12-06 22:04:24:: Node 0/3 is not ready for install operation 2020-12-06 22:04:25:: Node 0/4 is not ready for install operation 2020-12-06 22:04:25:: Node 0/5 is not ready for install operation 2020-12-06 22:04:28:: Node 0/11 is not ready for install operation 2020-12-06 22:04:28:: Node 0/12 is not ready for install operation 2020-12-06 22:04:35:: ERROR: System is not ready for install operation, please check all nodes are up and in IOS XR RUN state. 2020-12-06 22:04:35:: Cleaning up.. This may take a while, please wait. 2020-12-06 22:04:37:: Ending operation 1501 2020-12-06 22:04:37:: Install operation 1501 aborted When reviewing "show media" for affected locations: sysadmin-vm:0_RP0# show media location all Mon Dec 7 14:09:03.359 UTC-05:00 ************************************************************ Location : 0/4 ************************************************************ --------------------------------------------------------------------- Partition Size Used Percent Avail --------------------------------------------------------------------- rootfs: 2.4G 1.3G 56% 1012M log: 469M 42M 10% 393M config: 469M 404K 1% 433M disk0: 968M 2.0M 1% 900M install: 4.8G 666M 15% 3.9G rootfs:/media/install_tmpfs/ciso.vSRSZ5 124M 124M 100% 0 <<<<<<<<<< --------------------------------------------------------------------- rootfs: = root file system (read-only) log: = system log files (read-only) config: = configuration storage (read-only) install: = install repository (read-only)

Conditions

During this scenario, mount is used to mount the common.iso and not cleared after XR bake.

Workaround

None.

Further Problem Description