Bug 812726 - "lvcreate -l 100%FREE -T vg/thin-pool" returns error
Summary: "lvcreate -l 100%FREE -T vg/thin-pool" returns error
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Fedora
Classification: Fedora
Component: lvm2
Version: 18
Hardware: x86_64
OS: Linux
low
low
Target Milestone: ---
Assignee: Zdenek Kabelac
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks: 998347 1003496
TreeView+ depends on / blocked
 
Reported: 2012-04-16 05:59 UTC by Xiaowei Li
Modified: 2015-01-27 00:10 UTC (History)
14 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
: 998347 (view as bug list)
Environment:
Last Closed: 2014-02-05 22:45:37 UTC
Type: Bug


Attachments (Terms of Use)

Description Xiaowei Li 2012-04-16 05:59:16 UTC
Description of problem:
when invoking "lvcreate -l 100%FREE -T vg/thin-pool", lvm should allocate all the free PE to the thin pool ( 1 PE for metadata, others for data block ).


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


How reproducible:
always

Steps:
# vgdisplay vg3
  --- Volume group ---
  VG Name               vg3
  System ID             
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  1
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                0
  Open LV               0
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               1020.00 MiB
  PE Size               4.00 MiB
  Total PE              255
  Alloc PE / Size       0 / 0   
  Free  PE / Size       255 / 1020.00 MiB
  VG UUID               X8FHfz-ezqW-FIaW-A0Dx-uPnX-bUPl-k3Meez
   
#lvcreate -l 100%FREE -T vg3/pool
  Rounding up size to full physical extent 4.00 MiB
  Insufficient suitable allocatable extents for logical volume pool: 255 more required

Actual results:
"lvcreate -l 100%FREE -T vg3/pool" return error


Expected results:
should create 255 PE to the thin pool and 254 PE as the data block.


Additional info:

Comment 1 Xiaowei Li 2012-04-16 06:01:07 UTC
The 100%FREE option works well to create a liner volume so should also work well to create the thin pool.

[root@laker ~]# lvcreate -l 100%FREE -n vg3/lv
  Logical volume "lv" created
[root@laker ~]# lvs vg3
  LV   VG   Attr     LSize    Pool Origin Data%  Move Log Copy%  Convert
  lv   vg3  -wi-a--- 1020.00m

Comment 2 Xiaowei Li 2012-04-16 06:03:42 UTC
please ignore '( 1 PE for metadata, others for data block )' in 'DESCRIPTION' field.

Comment 3 Alasdair Kergon 2012-04-16 15:39:09 UTC
Yes, we ought to fix this one.

Comment 4 joshua 2012-09-25 22:15:37 UTC
Is this still an issue in F18 Alpha1?

Comment 5 Xiaowei Li 2012-09-27 07:03:59 UTC
(In reply to comment #4)
> Is this still an issue in F18 Alpha1?

Yes, it still exists in lvm2-2.02.97-1.fc18.x86_64

Comment 6 Fedora End Of Life 2013-12-21 15:01:49 UTC
This message is a reminder that Fedora 18 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
and issuing updates for Fedora 18. It is Fedora's policy to close all
bug reports from releases that are no longer maintained. At that time
this bug will be closed as WONTFIX if it remains open with a Fedora 
'version' of '18'.

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Comment 7 Fedora End Of Life 2014-02-05 22:45:37 UTC
Fedora 18 changed to end-of-life (EOL) status on 2014-01-14. Fedora 18 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.

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