[pve-devel] ceph jewel released

[Stefan Priebe - Profihost AG]

As Ubuntu is officially supported with a support contract they've todo this work until they release the next red hat storage version for customers. May be in 1-3 month.

Stefan

Excuse my typo sent from my mobile phone.

> Am 24.04.2016 um 14:06 schrieb Alexandre DERUMIER <aderumier at odiso.com>:
> 
> Hi,
> 
> after having done test with jewel on debian,
> I can said that .deb packaging is a big shit :/
> 
> They are bugs in init.d script, in system.d unit files and also in /etc/default/ceph deployment and /etc/init.d/ceph deployment.
> 
> 
> So, it's really better to wait the next point release, seem that they don't have too much tested in on debian/ubuntu. (thanks redhat :p)
> 
> 
> ----- Mail original -----
> De: "aderumier" <aderumier at odiso.com>
> À: "pve-devel" <pve-devel at pve.proxmox.com>
> Envoyé: Vendredi 22 Avril 2016 15:43:09
> Objet: Re: [pve-devel] ceph jewel released
> 
> Also, krbd is not compatible with default images flag, 
> so we need to inform lxc user to add "rbd default features = 1" in ceph.conf 
> 
> 
>> * The default RBD image features for new images have been updated to 
>> enable the following: exclusive lock, object map, fast-diff, and 
>> deep-flatten. These features are not currently supported by the RBD 
>> kernel driver nor older RBD clients. They can be disabled on a per-image 
>> basis via the RBD CLI, or the default features can be updated to the 
>> pre-Jewel setting by adding the following to the client section of the Ceph 
>> configuration file:: 
>> 
>> rbd default features = 1
> 
> 
> jewel now also support rbd export through nbd (with librbd), I don't known performance vs krbd 
> http://www.sebastien-han.fr/blog/2016/04/04/ceph-jewel-preview-map-rbd-devices-on-nbd/ 
> 
> With this, we don't depend on kernel version and all features are always available for lxc 
> 
> 
> ----- Mail original ----- 
> De: "aderumier" <aderumier at odiso.com> 
> À: "pve-devel" <pve-devel at pve.proxmox.com> 
> Envoyé: Vendredi 22 Avril 2016 14:31:25 
> Objet: Re: [pve-devel] ceph jewel released 
> 
> I have tested the rbd creation, it still working fine 
> 
> # rbd create vm-100-disk-1 -p poolceph --size 32G --image-format 2 
> 
> # rbd info vm-100-disk-1 -p poolceph 
> rbd image 'vm-100-disk-1': 
> size 32768 MB in 8192 objects 
> order 22 (4096 kB objects) 
> block_name_prefix: rbd_data.37356b8b4567 
> format: 2 
> features: layering, exclusive-lock, object-map, fast-diff, deep-flatten 
> flags: 
> 
> 
> The release note said that v1 format is deprecated, and that rbd create will throw a warning 
> 
> 
> ----- Mail original ----- 
> De: "aderumier" <aderumier at odiso.com> 
> À: "pve-devel" <pve-devel at pve.proxmox.com> 
> Envoyé: Vendredi 22 Avril 2016 13:57:33 
> Objet: Re: [pve-devel] ceph jewel released 
> 
> for pve cephserver, some changes are needed : 
> 
> - use systemd unit 
> systemctl start ceph-mon at 0 ((ceph-mon at id) 
> systemctl start ceph-osd at 0 (ceph-osd at id) 
> 
> 
> When creating mon & osd, permissions need to be ceph:ceph now 
> 
> 
> 
> 
> ----- Mail original ----- 
> De: "Stefan Priebe" <s.priebe at profihost.ag> 
> À: "pve-devel" <pve-devel at pve.proxmox.com> 
> Envoyé: Vendredi 22 Avril 2016 10:20:10 
> Objet: Re: [pve-devel] ceph jewel released 
> 
> As far as I remember with jewel 
> 
> Stefan 
> 
> Excuse my typo sent from my mobile phone. 
> 
> Am 22.04.2016 um 10:04 schrieb Alexandre DERUMIER <aderumier at odiso.com>: 
> 
>>>> There are some changes for example the image-format parameter does not exist anymore.
>> 
>> Do you known since well image-format v2 is the default ? 
>> 
>> I don't known if we can safely remove it in rbdplugin.pm, or if we need to introduce a new option. 
>> 
>> ----- Mail original ----- 
>> De: "Stefan Priebe" <s.priebe at profihost.ag> 
>> À: "pve-devel" <pve-devel at pve.proxmox.com> 
>> Envoyé: Vendredi 22 Avril 2016 09:36:33 
>> Objet: Re: [pve-devel] ceph jewel released 
>> 
>> There are some changes for example the image-format parameter does not exist anymore. 
>> 
>> Stefan 
>> 
>> Excuse my typo sent from my mobile phone. 
>> 
>>> Am 22.04.2016 um 09:29 schrieb Alexandre DERUMIER <aderumier at odiso.com>: 
>>> 
>>> http://ceph.com/releases/v10-2-0-jewel-released/ 
>>> 
>>> I'm going to test it next week with proxmox. 
>>> (should work out of the box, I don't think they are api or rbd command changes) 
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