http://bugzilla.suse.com/show_bug.cgi?id=1006952
http://bugzilla.suse.com/show_bug.cgi?id=1006952#c2
GuoQing Jiang changed:
What |Removed |Added
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CC| |ladislav.mate@gmail.com
Flags| |needinfo?(ladislav.mate@gma
| |il.com)
--- Comment #2 from GuoQing Jiang ---
I tried with following cmds, seems it can't be reproduced from my side.
linux-3joh:~ # pvs
PV VG Fmt Attr PSize PFree
/dev/loop1 vg1 lvm2 a-- 996.00m 996.00m
/dev/loop2 vg1 lvm2 a-- 1.46g 1.46g
linux-3joh:~ # lvcreate -L 80M -n lvslow vg1 /dev/loop1
Logical volume "lvslow" created.
linux-3joh:~ # lvcreate -L 40M -n lvfast vg1 /dev/loop2
Logical volume "lvfast" created.
linux-3joh:~ # lvcreate -L 8M -n lvfastmeta vg1 /dev/loop2
Logical volume "lvfastmeta" created.
linux-3joh:~ # lvconvert --type cache-pool --poolmetadata vg1/lvfastmeta
--cachemode writethrough vg1/lvfast
WARNING: Converting logical volume vg1/lvfast and vg1/lvfastmeta to cache
pool's data and metadata volumes with metadata wiping.
THIS WILL DESTROY CONTENT OF LOGICAL VOLUME (filesystem etc.)
Do you really want to convert vg1/lvfast and vg1/lvfastmeta? [y/n]: y
Converted vg1/lvfast to cache pool.
linux-3joh:~ # lvs -o +cache_mode
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync
Convert CacheMode
lvfast vg1 Cwi---C--- 40.00m
writethrough
lvslow vg1 -wi-a----- 80.00m
linux-3joh:~ # uname -r
4.8.7-1-default
linux-3joh:~ # cat /etc/issue
Welcome to openSUSE Tumbleweed 20161116 - Kernel \r (\l).
Could you pls elaborated your steps? Thanks.
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