Bug 204128
| Summary: | lvconvert from linear to mirror fails if original LV spans to PVs | ||||||
|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 4 | Reporter: | Jun'ichi Nomura (Red Hat) <jnomura> | ||||
| Component: | lvm2 | Assignee: | Alasdair Kergon <agk> | ||||
| Status: | CLOSED ERRATA | QA Contact: | |||||
| Severity: | high | Docs Contact: | |||||
| Priority: | medium | ||||||
| Version: | 4.4 | CC: | coughlan, dwysocha, jbrassow, kueda, mbroz | ||||
| Target Milestone: | --- | ||||||
| Target Release: | --- | ||||||
| Hardware: | All | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | RHBA-2007-0287 | Doc Type: | Bug Fix | ||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2007-05-08 00:06:04 UTC | Type: | --- | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Attachments: |
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Description of problem:
lvconvert fails to convert linear LV to mirrored LV
if the linear LV contains more than 1 PV
Version-Release number of selected component:
lvm2-2.02.06-6.0.RHEL4
How reproducible:
Always
Steps to Reproduce:
1. Create a VG with 5 or more PVs
# vgcreate testvg /dev/sdb[1-5]
2. Create a linear LV which spans multiple PVs
# lvcreate -L<appropriate size> -nlv0 testvg
For example, if we have 5 100MB PVs, we should create 120MB LV here.
3. Check if the LV contains multiple PVs
# lvs -o+devices
4. Convert it to mirror
# lvconvert -m1 testvg/lv0
Actual results:
lvconvert fails with a message like this:
Insufficient suitable allocatable extents for logical volume : 4294967290 more
required
Expected results:
lvconvert succeeds
Additional info:
Attached script does the above steps and show what happens.
# sh lvconvert-multiseg.sh
INFO: Creating a file for loop setup. file=tmpfile
204800+0 records in
204800+0 records out
INFO: Setting up loop device. dev=/dev/loop0 file=tmpfile
INFO: Creating PV. nr_pv=5
Physical volume "/dev/mapper/pv0" successfully created
Physical volume "/dev/mapper/pv1" successfully created
Physical volume "/dev/mapper/pv2" successfully created
Physical volume "/dev/mapper/pv3" successfully created
Physical volume "/dev/mapper/pv4" successfully created
INFO: Creating VG. nr_vg=1. each pv in a vg: 5
INFO: vgname=testvg0
Volume group "testvg0" successfully created
INFO: PE count of PV is 4 .
Failed to read physical volume "testvg0"
INFO: Create linear LV spanning multiple PVs.
Logical volume "lv0" created
LV Devices
lv0 /dev/dm-0(0)
lv0 /dev/dm-1(0)
INFO: Convert the LV to mirrored.
Insufficient suitable allocatable extents for logical volume : 4294967290 more
required
LV Devices
lv0 /dev/dm-0(0)
lv0 /dev/dm-1(0)
INFO: Failed
INFO: Cleaning up.
Patch is posted to linux-lvm: https://www.redhat.com/archives/linux-lvm/2006-August/msg00117.html Moving to modified state since a patch was submitted, and bumping the priority since this bug is blocking QA tests. We'll need an lvm build with this fix in it to continue testing lvconverts. Since the patch has only been posted, this really shouldn't be in the MODIFIED state yet. fix verified in lvm2-2.02.13-1. An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHBA-2007-0287.html |
Created attachment 134950 [details] Reproducer test script