Bug ID 655464: Incorrect information about number of cores/guests on i11000 platforms

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP vCMP(all modules)

Known Affected Versions:
12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6

Opened: Apr 05, 2017

Severity: 4-Minor

Symptoms

-- Commands 'getconf _NPROCESSORS_CONF' and 'guishell -c 'select max_vcmp_guests from blade_info'' show different information. -- Command 'tmsh create vcmp guest <guest_name>' fails and reports an error: Could not allocate vCMP guest (<guest_name>) because fragmented resources.

Impact

-- vCMP guest GUI page shows 36 cores are available, but only 32 cores are actually available for vCMP guests. -- After installation of 4, 8-core guests, the BIG-IP system should not allow new guest installations. If you try to install a new guest, the system reports an error that does not describe the real issue: Could not allocate vCMP guest (<guest_name>) because fragmented resources.

Conditions

-- i11000 hardware with 36 cores. -- vCMP guests are utilizing 32 cores of the system (4, 8-core guests are installed). -- Try to install a new guest.

Workaround

Limit the number of vCMP guests to the number reported by the command: guishell -c 'select max_vcmp_guests from blade_info'

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips