Bug 1493604

Summary:	[RFE] lvm2 should validate in front of conversion action configured tools are in place
Product:	[Community] LVM and device-mapper	Reporter:	Zdenek Kabelac <zkabelac>
Component:	lvm2	Assignee:	LVM Team <lvm-team>
lvm2 sub component:	Cache Logical Volumes	QA Contact:	cluster-qe <cluster-qe>
Status:	NEW ---	Docs Contact:
Severity:	unspecified
Priority:	medium	CC:	agk, heinzm, jbrassow, msnitzer, prajnoha, thornber, zkabelac
Version:	2.02.175	Keywords:	Triaged
Target Milestone:	---	Flags:	rule-engine: lvm-technical-solution? rule-engine: lvm-test-coverage?
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
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Last Closed:		Type:	Bug
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
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Description Zdenek Kabelac 2017-09-20 15:03:41 UTC

Description of problem:

When user is creating cache-pool/cache or thin-pool without presence of tools configured in lvm.conf - it leaves user in trouble-some position of having volumes that cannot be reactivated next time user needs them - which is mainly for cached LVs problematic as user will experience message like:

# lvchange -ay vg
  /usr/sbin/cache_check: execvp failed: No such file or directory
  Check of pool vg/lvol2 failed (status:2). Manual repair required!



Version-Release number of selected component (if applicable):
2.02.175

How reproducible:


Steps to Reproduce:
1. cache LV without d-m-p-d toolss
2.
3.

Actual results:


Expected results:
Prevent action to even start start if tools are not present.


Additional info: