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Bug 953303

Summary: virt-install does not use size parameter when creating LVM volume in storage pool
Product: Red Hat Enterprise Linux 6 Reporter: kelvin
Component: python-virtinstAssignee: virt-mgr-maint
Status: CLOSED DUPLICATE QA Contact: Virtualization Bugs <virt-bugs>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 6.4CC: codong, gkong, hyao, lcui, mkletzan, mzhan, rwu, tzheng
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2013-04-18 09:58:54 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 kelvin 2013-04-17 21:29:38 UTC 
Description of problem:

virt-install seems to ignore the size parameter of the --disk option when creating an LVM volume.  

Version-Release number of selected component (if applicable):
Source RPM: python-virtinst-0.600.0-15.el6.src.rpm

How reproducible:
100%
Only way to avoid is to manually pre-create the LVM volume with the desired size, and then reference it in the virt-install --disk parameter.


Steps to Reproduce:
1) create volume group named vg_vm_pool.  Add it as a storage pool named vm_pool.
2) virt-install --os-type=linux --os-variant=rhel6 --bridge=br0 --disk pool=vm_pool,size=30 --location=<installServer> --name=mirror --ram=8192 --vcpus=1 --graphics type=none --extra-args console=ttyS0
  
Actual results:
Installation fails with some non-specific disk write errors on vda.

Additionally, LVM shows that the logical volume is 4MB in size, not 30GB.  I suspect that it defaulted to allocating a single extent.
[root@server5 ~]# lvs
  LV         VG         Attr      LSize  Pool Origin               Data%  Move Log Cpy%Sync Convert
  lv_root    vg_server5 -wi-ao--- 42.97g                                                           
  mirror.img vg_vm_pool swi-aos--  4.00m      [mirror.img_vorigin]   0.00                          


Expected results:
A logical volume that is 30G in size, and a virt-install that succeeds.
Comment 1 Martin Kletzander 2013-04-18 09:58:54 UTC 
This problem is being dealt with in bug 921480 already, so I'm closing it as a duplicate.

*** This bug has been marked as a duplicate of bug 921480 ***