Dne 20.3.2017 v 12:52 Gionatan Danti napsal(a):
On 20/03/2017 12:01, Zdenek Kabelac wrote:
As said - please try with HEAD - and report back if you still see a
problem.
There were couple issue fixed along this path.
Ok, I tried now with tools and library from git:
LVM version: 2.02.169(2)-git (2016-11-30)
Library version: 1.02.138-git (2016-11-30)
Driver version: 4.34.0
I can confirm that now thin chunk size is no more bound (by default) by MD
RAID chunk. For example, having created a ~500 GB MD RAID 10 array with 64 KB
chunks, creating a thinpool shows that:
[root@blackhole ~]# lvcreate --thinpool vg_kvm/thinpool -L 500G
[root@blackhole ~]# lvs -a -o +chunk_size
WARNING: Failed to connect to lvmetad. Falling back to device scanning.
LV VG Attr LSize Pool Origin Data% Meta% Move
Log Cpy%Sync Convert Chunk
[lvol0_pmspare] vg_kvm ewi------- 128.00m
0
thinpool vg_kvm twi-a-tz-- 500.00g 0.00 0.42
256.00k
[thinpool_tdata] vg_kvm Twi-ao---- 500.00g
0
[thinpool_tmeta] vg_kvm ewi-ao---- 128.00m
0
root vg_system -wi-ao---- 50.00g
0
swap vg_system -wi-a----- 7.62g
Should I open a bug against the RHEL-provided packages?
Well if you want to get support for your existing packages - you would
need to go via 'GSS' channel.
You may open BZ - which will get closed with next release of RHEL7.4
(as you already confirmed upstream has resolved the issue).
Zdenek
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