https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210206
Bug ID: 210206
Summary: systat -vm: ignore feature does not work correctly
Product: Base System
Version: 10.3-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: [email protected]
Reporter: [email protected]
Scenario:
- 7 SATA disks ada{0..6}
- md0 on /tmp
- heavy disk activity on ada6;
in another scenario, heavy disk activity on all disks
- running "systat -vm 1"
- typing ":ignore md0"
Result:
- Before typing ":ignore md0": systat displays drives md0 and ada0..ada5
- After typing ":ignore md0": systat once displays drives ada0..ada6 and then
displays only drive md0
Expected result:
- Before typing ":ignore md0": systat displays drives md0 and ada0..ada5
- After typing ":ignore md0": systat displays drives ada0..ada6
Notes:
- The "ignore" feature seems to be very fragile in many situations. The
scenario described is just one where it misbehaves and ultimately displays
completely different disks.
- The feature seems to be sensitive to dynamic changes in the disk
configuration. Adding or removing devices typically garbles the selection.
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