re Derumier"
Cc: "pve-devel"
Envoyé: Mardi 3 Juillet 2018 09:50:05
Objet: Re: [pve-devel] [PATCH qemu-server] add discard_granularity to 4M for
rbd storage
I'm answering here instead of the storage patches since I think we
should finish the discussion first.
On Fri, Jun 2
I'm answering here instead of the storage patches since I think we
should finish the discussion first.
On Fri, Jun 29, 2018 at 10:27:52AM +0200, Alexandre DERUMIER wrote:
> >>IMHO: I would be up for this approach, as a first measure, so the discard
> >>granularity can be overwritten.
>
> I'll re
river.
- Mail original -
De: "Alwin Antreich"
À: "pve-devel"
Envoyé: Vendredi 29 Juin 2018 10:17:56
Objet: Re: [pve-devel] [PATCH qemu-server] add discard_granularity to 4M for
rbd storage
On Fri, Jun 29, 2018 at 08:12:13AM +0200, Alexandre DERUMIER wrote:
> and fo
On Fri, Jun 29, 2018 at 08:12:13AM +0200, Alexandre DERUMIER wrote:
> and for zfs , we can retrieve block size with:
>
> zfs get volblocksize rpool/data/vm-105-disk-1
> NAME PROPERTY VALUE SOURCE
> rpool/data/vm-105-disk-1 volblocksize 8Kdefault
>
>
>
> M
ntreich"
À: "pve-devel"
Envoyé: Jeudi 28 Juin 2018 14:56:32
Objet: Re: [pve-devel] [PATCH qemu-server] add discard_granularity to 4M for
rbd storage
On Thu, Jun 28, 2018 at 10:08:45AM +0200, Alexandre Derumier wrote:
> when we have snapshots on rbd and do a trim, the space i
uot;Alwin Antreich"
À: "pve-devel"
Envoyé: Jeudi 28 Juin 2018 14:56:32
Objet: Re: [pve-devel] [PATCH qemu-server] add discard_granularity to 4M for
rbd storage
On Thu, Jun 28, 2018 at 10:08:45AM +0200, Alexandre Derumier wrote:
> when we have snapshots on rbd and do a trim, th
On 6/28/18 2:56 PM, Alwin Antreich wrote:
> On Thu, Jun 28, 2018 at 10:08:45AM +0200, Alexandre Derumier wrote:
>> when we have snapshots on rbd and do a trim, the space is increasing
>> http://tracker.ceph.com/issues/18352
>>
>> we need to trim a full object (4MB by default), to be able to free sp
On Thu, Jun 28, 2018 at 10:08:45AM +0200, Alexandre Derumier wrote:
> when we have snapshots on rbd and do a trim, the space is increasing
> http://tracker.ceph.com/issues/18352
>
> we need to trim a full object (4MB by default), to be able to free space.
>
> test:
>
> without discard_granularit
when we have snapshots on rbd and do a trim, the space is increasing
http://tracker.ceph.com/issues/18352
we need to trim a full object (4MB by default), to be able to free space.
test:
without discard_granularity
---
vm-107-disk-1
