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2017 Nov 04
3
using LVM thin pool LVs as a storage for libvirt guest
...storage 1 1 0 wz--n- 267.93g 0
# lvs storage -a
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
[lvol0_pmspare] storage ewi------- 68.00m
lvol1 storage twi-aotz-- 267.80g 0.00 0.44
[lvol1_tdata] storage Twi-ao---- 267.80g
[lvol1_tmeta] storage ewi-ao---- 68.00m
# virsh pool-dumpxml storage
<pool type='logical'>
<name...
2017 Nov 07
0
Re: using LVM thin pool LVs as a storage for libvirt guest
...#PV #LV #SN Attr VSize VFree
> storage 1 1 0 wz--n- 267.93g 0 # lvs storage -a
> LV VG Attr LSize Pool Origin Data% Meta%
> Move Log Cpy%Sync Convert
> [lvol0_pmspare] storage ewi------- 68.00m
> lvol1 storage twi-aotz-- 267.80g 0.00 0.44
> [lvol1_tdata] storage Twi-ao---- 267.80g
> [lvol1_tmeta] storage ewi-ao---- 68.00m
> # virsh pool-dumpxml storage
> <pool type='logical'>
> <name>storage</name>
> <uuid>f523aed2-a7e4-4dc2-88db...
2017 Oct 10
4
ZFS with SSD ZIL vs XFS
Anyone made some performance comparison between XFS and ZFS with ZIL
on SSD, in gluster environment ?
I've tried to compare both on another SDS (LizardFS) and I haven't
seen any tangible performance improvement.
Is gluster different ?
2017 Nov 07
1
Re: using LVM thin pool LVs as a storage for libvirt guest
...VSize VFree
>> storage 1 1 0 wz--n- 267.93g 0 # lvs storage -a
>> LV VG Attr LSize Pool Origin Data% Meta%
>> Move Log Cpy%Sync Convert
>> [lvol0_pmspare] storage ewi------- 68.00m
>> lvol1 storage twi-aotz-- 267.80g 0.00 0.44
>> [lvol1_tdata] storage Twi-ao---- 267.80g
>> [lvol1_tmeta] storage ewi-ao---- 68.00m
>> # virsh pool-dumpxml storage
>> <pool type='logical'>
>> <name>storage</name>
>> <uuid>...
2023 Aug 10
2
orphaned snapshots
I?ve never had such situation and I don?t recall someone sharing something similar.
Most probably it?s easier to remove the node from the TSP and re-add it.Of course , test the case in VMs just to validate that it?s possible to add a mode to a cluster with snapshots.
I have a vague feeling that you will need to delete all snapshots.
Best Regards,Strahil Nikolov?
On Thursday, August 10, 2023, 4:36
2023 Nov 09
0
can I convert a linear thin pool to raid1?
...ng else I
should consider?
# lvs VolGroup/vm_pool VolGroup/vm_pool_tmeta VolGroup/vm_pool_tdata
VolGroup/lvol0_pmspare
? LV????????????? VG?????? Attr?????? LSize?? Pool Origin Data% Meta%?
Move Log Cpy%Sync Convert
? [lvol0_pmspare] VolGroup ewi-a----- 128.00m
? vm_pool???????? VolGroup twi-aotz-- 200.00g???????????? 12.83 15.93
? [vm_pool_tdata] VolGroup Twi-ao---- 200.00g
? [vm_pool_tmeta] VolGroup ewi-ao---- 128.00m