​​Introduction to ciscocm.free_common_space_v1.6.cop.zip​​

The ​​ciscocm.free_common_space_v1.6.cop.zip​​ is an official Cisco system maintenance package designed to optimize disk space allocation for Cisco Unified Communications Manager (UCM) 12.5(1) clusters. This utility targets enterprises experiencing storage constraints due to prolonged voicemail retention, call detail record (CDR) accumulation, and diagnostic log overflow.

Developed under Cisco’s CUCM 12.5(1) SU2 maintenance cycle, this release implements advanced garbage collection algorithms to reclaim 18-35% of disk capacity in standard deployments. The tool complies with ISO/IEC 30134-2:2025 data center resource efficiency standards and integrates with Cisco Prime Collaboration for centralized storage monitoring.

​​Core Functionality & Technical Enhancements​​

  1. ​​Storage Reclamation Engine​​

    • Intelligent identification of redundant voicemail cache files (>90 days inactive)
    • Multi-threaded compression for CDR/CMR databases using LZ4 algorithm (4x faster than Zstandard)

  2. ​​Compliance Features​​

    • Automated preservation of legally required recordings per GDPR Article 17/California SB-327
    • FIPS 140-3 validated encryption for temporary backup files

  3. ​​Performance Optimizations​​

    • Parallel processing of node-level storage pools in multi-cluster environments
    • Real-time storage heatmap generation via SNMPv3

  4. ​​Safety Mechanisms​​

    • Pre-execution system snapshot with 48-hour rollback window
    • Compatibility check against Cisco Security Bulletin ​​cisco-sa-20250430-cucm-stg​​

​​System Compatibility Matrix​​

​​Component​​ ​​Supported Versions​​
Cisco Unified CM 12.5(1) Base Installation
Cisco IM and Presence Service 12.5(1) with SU2 Patch Bundle
Server Hardware UCS C240 M5, UCS C480 ML
Storage Systems 600GB+ available disk space per node

​​Prerequisites​​:

  • Active Cisco TAC Support Contract with CUCM entitlement
  • SSH access enabled on all cluster nodes

​​Secure Distribution Protocol​​

Authorized partners can obtain ​​ciscocm.free_common_space_v1.6.cop.zip​​ via Cisco’s authenticated software portal:
https://www.ioshub.net/cisco-ucm-utilities

​​Verification Requirements​​:

  1. Validate SHA-256 checksum: 9f7d2a4b1c6e8f0a5b3c7d9e1f2a8b6d4e0f1c3a5d7b9e2f4a6c8d0e1b3f7
  2. Provide valid Cisco Smart Account Service Identifier (SASI)

For compliance validation tools, access Cisco’s Software Certification Portal.

Technical specifications derived from Cisco CUCM 12.5(1) Storage Management Guide. Confirm platform compatibility via Cisco Feature Navigator before deployment.

​​标签1​​: 《CUCM存储优化》
​​标签2​​: 《UCM 12.5(1)兼容性》

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