Bug ID 441400: TMSTAT errors after removing disk drive from system

Last Modified: May 29, 2024

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

Known Affected Versions:
11.5.0, 11.5.1, 11.5.2, 11.5.3, 11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10

Fixed In:
11.6.0, 11.5.0 HF1

Opened: Dec 20, 2013

Severity: 2-Critical


When a single disk drive in a raid array is physically removed from a running system, the following errors will be logged every 5secs until the system is rebooted: statsd[13166]: 011b0203:3: Error 'No such file or directory' opening file /sys/block/sda/stat err statsd[13166]: 011b0900:3: TMSTAT error max disk stat: read failed.


Log messages every 5 secs.


Systems supporting RAID configurations



Fix Information

Properly detect disk removal and don't query stats for drives that have been removed.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips