For I/O-wait investigations the technote enables File I/O Reporting with utils fior start and utils fior enable and collects results with file get activelog platform/io-stats.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- platform CLI
- Deployment
- on-premises
- Region
- not restricted
- Release range
- not stated; technote dated 2015
- Checked
- 2026-10-02
Sources
- CUCM Common Problems on UCS Platform: Core, High CPU - I/O, Hung State — Cisco Systems · tier 2 current vendor documentation · Scenario 1: High CPU Utilization Due to I/O Wait Issue > Verification
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting high CPU and service crashes in Unified CM: source note cucm-high-cpu-troubleshooting-fior-io-reporting-commands. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-high-cpu-troubleshooting-fior-io-reporting-commands
BibTeX
@misc{warmtransfer-claim-cucm-high-cpu-troubleshooting-fior-io-reporting-commands,
title = {Troubleshooting high CPU and service crashes in Unified CM: source note cucm-high-cpu-troubleshooting-fior-io-reporting-commands},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-high-cpu-troubleshooting-fior-io-reporting-commands},
note = {Source note cucm-high-cpu-troubleshooting-fior-io-reporting-commands, checked 2026-10-02}
}