Apply disk exclusions and idle policy to automatic LVM scans

This commit is contained in:
Jonatan
2026-10-16 20:45:17 +02:00
parent 3000c1cd66
commit 4ffc883c32
6 changed files with 250 additions and 69 deletions
+7 -30
View File
@@ -153,36 +153,10 @@ def _hdd_in_standby(disk_name: str) -> bool:
return parked
def _lvm_device_args() -> list:
"""`--devices` list scoping pvs/lvs/vgs off parked disks so they
aren't spun up by the LVM scan (issue #232). Empty when nothing is
parked, so the plain command runs unchanged. Each partition is
listed too — a whole-disk path alone doesn't cover a PV on a
partition."""
try:
r = subprocess.run(
['lsblk', '-rno', 'NAME,TYPE,PKNAME'],
capture_output=True, text=True, timeout=5)
if r.returncode != 0:
return []
nodes = []
for line in r.stdout.strip().split('\n'):
parts = line.split()
if len(parts) < 2 or parts[1] not in ('disk', 'part'):
continue
name = parts[0]
base = name if parts[1] == 'disk' else (parts[2] if len(parts) > 2 else name)
nodes.append((name, base))
standby_bases = {
name for name, base in nodes
if name == base and _hdd_in_standby(name)
}
if not standby_bases:
return []
devices = [f'/dev/{name}' for name, base in nodes if base not in standby_bases]
return ['--devices', ','.join(devices)] if devices else []
except Exception:
return []
def _lvm_device_args():
"""None means no automatic scan; [] permits LVM's normal scan."""
from lvm_device_scope import lvm_device_args
return lvm_device_args(_hdd_in_standby)
def _is_disk_removable(disk_name: str) -> bool:
@@ -2303,6 +2277,9 @@ class HealthMonitor:
# `--devices` keeps lvs from scanning parked HDDs (issue #232).
dev_args = _lvm_device_args()
if dev_args is None:
return {'status': 'INFO', 'skipped': True,
'reason': 'Automatic LVM scan skipped by disk read policy or unavailable inventory'}
result = subprocess.run(
['lvs', *dev_args, '--noheadings', '--options', 'lv_name,vg_name,lv_attr'],
capture_output=True,