THIS IS AN URGENT ISSUE AND IMMEDIATE ACTION MUST BE TAKEN on all devices running any of the Junos releases indicated below AND running a version of AI-Scripts less than version 4.1R7. Such devices must be upgraded to AI-Scripts 4.1R7 or later.
Specific Junos OS versions have an issue which can prevent files from being deleted on the filesystem once created. The versions of Junos OS that are susceptible to this issue are listed below.
Devices running AI-Scripts earlier than version 4.1R7 are likely to run out of storage space because AI-Scripts create many temporary files which cannot be subsequently deleted. Additionally, even if storage space is not fully consumed, it is possible that AI-Scripts will stop capturing device events due to reduced available storage space. Finally, such devices might also exhibit extended periods of High CPU utilization.
Junos OS versions affected:
Platform | Version |
ACX | 12.2R7 |
ACX | 12.3R6 |
EX | 11.4R11 |
EX | 12.1R9 |
EX | 12.2R7 |
EX | 12.3R6 |
EX9200 | 13.2R3 |
EX9200 | 13.3R1 |
J | 11.4R11 |
J | 12.1X44-D30 |
J | 12.1X45-D20 |
J | 12.1X46-D15 |
LN | 12.1X44-D30 |
LN | 12.1X45-D20 |
LN | 12.1X46-D15 |
M | 11.4R11 |
M | 12.1R9 |
M | 12.2R7 |
M | 12.3R6 |
M | 13.2R3 |
M | 13.3R1 |
MX | 11.4R11 |
MX | 12.1R9 |
MX | 12.2R7 |
MX | 12.3R6 |
MX | 13.2R3 |
MX | 13.3R1 |
PTX | 12.3R6 |
PTX | 13.2R3 |
PTX | 13.3R1 |
SRX | 11.4R11 |
SRX | 12.1X44-D30 |
SRX | 12.1X45-D20 |
SRX | 12.1X47-D10 |
SRX | 12.1X46-D15 |
T-series | 11.4R11 |
T-series | 12.1R9 |
T-series | 12.2R7 |
T-series | 12.3R6 |
T-series | 13.1R4 |
T-series | 13.2R3 |
T-series | 13.3R1 |
Affected systems should be upgraded to use AI-Scripts 4.1R7 or later as an effective stop-gap. This should prevent the storage space and CPU issues. The Junos defect is resolved in all currently available Junos releases.
Details of the issue can be found here:
PRSearch PR975873A temporary workaround is to periodically delete files in /var/tmp directory as the "root" user.
As an example:
cli> start shell user root
# cd /var/tmp
# rm *_ais_*
# exit