On 03/09/2017 07:46 PM, Zdenek Kabelac wrote:
[snip]
while it works when specifying '-l' this way:
# lvcreate -l 100%FREE --thinpool thinpool0 vgtest
Logical volume "thinpool0" created.
Is this something by design? or something may be wrong?
I can replicate this on both:
Hi
Yes this is by DESIGN
When you specify '-l|-L' you specify size of 'dataLV' (logical size)
But then you need some more space for 'metadata' LVs (_tmeta & _pmspare)
-l100%FREE figure this automagically and reduces size a bit to fit in metadata LV.
Some 'future' version of lvm2 may support something like '--physicalsize' which will be 'a
total size used for every allocation made by command).
Hi Zdenek,
Thanks a lot for your clarification!
Looks some changes to thin-pool feature make it behave differently since a certain version.
It worked on lvm2-2.02.98 (sles12) by specifying '-l' with all the free PE. Anyway, '-l
100%FREE'
looks more reasonable in such case:)
Regards,
Eric
Regards
Zdenek
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