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

Last Modified: Apr 10, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9

Fixed In:
11.6.0, 11.5.0 HF1

Opened: Dec 20, 2013
Severity: 2-Critical

Symptoms

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.

Impact

Log messages every 5 secs.

Conditions

Systems supporting RAID configurations

Workaround

None.

Fix Information

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

Behavior Change