Symptom
- Disk usage alarms are observed after upgrade to XR 7.5.2:
LC/0/0/CPU0:Sep 8 14:15:19.399 CEST: resmon[320]: %HA-HA_WD-3-DISK_ALARM_ALERT : A monitored device / ( rootfs:/ ) is above 80% utilization. Current utilization = 80. Please remove unwanted user files and configuration rollback points.
LC/0/0/CPU0:Sep 8 14:15:19.399 CEST: resmon[320]: %HA-HA_WD-3-DISK_ALARM_ALERT : A monitored device /misc/disk1 ( harddisk: ) is above 80% utilization. Current utilization = 80. Please remove unwanted user files and configuration rollback points.
- Software install operations are failing with "Not enough free disk space for installation":
RP/0/RP0/CPU0:R2#install activate asr9k-xr-7.4.2 synchronous
2022-11-25 16:16:43 Install operation 49 started by admin:
install activate pkg asr9k-xr-7.4.2 synchronous
2022-11-25 16:16:43 Package list:
2022-11-25 16:16:43 asr9k-xr-7.4.2
2022-11-25 16:16:48 On XR Node 0/0/CPU0:
rootfs: partition requires at least 1046 MB free space.
2022-11-25 16:16:48 Error! Not enough free disk space for installation.
Conditions
- ASR 9901
- IOS XR 7.5.2 or newer with all packages installed
Workaround
There is no workaround. Removing inactive and unnecessary XR packages and SMUs can be considered as temporary solution to complete install operation.
Further Problem Description
This issue is specific to ASR 9901 router, and depends on how many XR packages and SMUs are installed.
It is an enhancement specific to ASR 9901 and not a bug.