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[PR #11925/d0f0e9d0 backport][stable-12] lvol: fix thin-pool creation with percentage size (#11930)

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lvol: fix thin-pool creation with percentage size (#11925)

* fix(lvol): use --extents (-l) for thin-pool creation with percentage size

Fixes #11923



* chore(lvol): add changelog fragment for #11925



* test(lvol): add integration tests for thin-pool creation with percentage sizes



* test(lvol): use extent-aligned size for thin-pool absolute-size idempotency test



* test(lvol): reduce thin-pool sizes to leave space for test_pvs.yml



* test(lvol): add shrink=false to thin-pool absolute-size idempotency check



* test(lvol): add shrink: false to thin volume idempotency test

LVM reports thin volume size slightly above requested (metadata overhead),
triggering spurious shrink attempts. Disable shrink for idempotency checks
to avoid false failures.



---------


(cherry picked from commit d0f0e9d00f)

Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
patchback[bot]
2026-04-29 21:42:57 +02:00
committed by GitHub
parent 743591cedc
commit 10f4e9796d
4 changed files with 125 additions and 9 deletions
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29
plugins/modules/lvol.py
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@@ -505,15 +505,26 @@ def main():
vg=[f"{vg}/{thinpool}"],
)
else:
with lvcreate("test yes size_L opts thin vg pvs") as ctx:
rc, dummy, err = ctx.run(
test=module.check_mode,
yes=use_yes,
size_L=size_value,
opts=opts,
vg=[f"{vg}/{thinpool}"],
pvs=pvs,
)
if size_opt == "l":
with lvcreate("test yes size_l opts thin vg pvs") as ctx:
rc, dummy, err = ctx.run(
test=module.check_mode,
yes=use_yes,
size_l=size_value,
opts=opts,
vg=[f"{vg}/{thinpool}"],
pvs=pvs,
)
else:
with lvcreate("test yes size_L opts thin vg pvs") as ctx:
rc, dummy, err = ctx.run(
test=module.check_mode,
yes=use_yes,
size_L=size_value,
opts=opts,
vg=[f"{vg}/{thinpool}"],
pvs=pvs,
)
else:
if size_opt == "l":
with lvcreate("test yes lv size_l opts vg pvs") as ctx: