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Cisco Bug: CSCun90725 - CX recovery fails due to flash having less than 3GB space available

Last Modified

Apr 13, 2020

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.1(4)

Description (partial)

Symptom:
CX recovery fails with no error seen in SSH or Telnet.

Console session will provide similar errors:

CMGR VM: The total free bytes (2989973504) on disk0: is less than the required (3221225472).

CMGR VM: In cmgr_kvm_recover_actual Failed to make qemu disk image for slot 2, ret 0

Conditions:
ASA CX recovery with less than 3GB* of disk space available. 

The free space on flash (disk0) should be at least 3GB plus the size of the boot software.

http://www.cisco.com/c/en/us/td/docs/security/asa/asa91/configuration/firewall/asa_91_firewall_config/modules_cx.html#wp1319730
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