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Bug 843338

Summary: lvconvert should block to convert the thin LV to mirror
Product: Red Hat Enterprise Linux 7 Reporter: Xiaowei Li <xiaoli>
Component: lvm2Assignee: LVM and device-mapper development team <lvm-team>
lvm2 sub component: Default / Unclassified QA Contact: cluster-qe <cluster-qe>
Status: CLOSED DUPLICATE Docs Contact:
Severity: medium    
Priority: unspecified CC: agk, heinzm, jbrassow, msnitzer, prajnoha, prockai, qcai, thornber, zkabelac
Version: 7.0   
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-10-08 12:24:02 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Xiaowei Li 2012-07-26 04:53:47 UTC
Description of problem:
lvconvert should block to convert the thin LV to mirror since don't support to do this.

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


How reproducible:


Steps to Reproduce:
1. create thin pool and LV
2. try to convert the thin LV to mirror
# lvconvert -m 1 vg/lv02
  LV lv02 is thin volume without first thin volume segment
  Internal error: LV segments corrupted in lv02.
  LV lv02_mimage_0 is missing thin volume flag for segment 1
  Internal error: LV segments corrupted in lv02_mimage_0.
3. see the lv02_mlog is created. 
# lvs
  LV             VG   Attr     LSize   Pool Origin         Data%  Move Log Copy%  Convert
  guest01        vg   Vwi-aotz   3.32g pool                102.58                        
  lv02           vg   Vwi-a-tz 100.00m pool                100.00                        
  lv02_mlog      vg   -wi-----   4.00m                                                   
  pool           vg   twi-a-tz  31.67g      
  
Actual results:


Expected results:


Additional info:

Comment 1 Zdenek Kabelac 2012-10-08 12:24:02 UTC

*** This bug has been marked as a duplicate of bug 855179 ***