I agree with Daniel, his idea is better!!!. (maybe in a phase initial can be this feature as something pending)
And about of the verification of DRBD storages (if is that the plugin will have it), do with the best hash algorithm, that i believe that is sha1 (that always are the that come supported in the kernels of linux). ----- Original Message ----- From: Daniel Hunsaker To: Cesar Peschiera ; Dietmar Maurer ; PVE Development List Sent: Friday, March 20, 2015 4:34 PM Subject: Re: [pve-devel] DRBD9 test packages for jessie I'd rather it run the resync before continuing the migration, than simply abort. It'll take a bit longer to migrate, but I can't think of any reason it would make sense *not* to run the resync at that point and simply keep going once that's done. On Fri, Mar 20, 2015, 13:30 Cesar Peschiera <br...@click.com.py> wrote: It is fantastic !!! Talking about of DRBD, for now, and if is possibe, i would like to order a features: 1- While a VM is running with LVM on top of DRBD, the replicate storages be in secondary mode, ie, only to have a primary storage for each VM that is running (that always was the recommendation of LINBIT for security reasons). 2- And when i apply a live migration of a VM, the DRBD plugin first see if the replicated storage is perfectly synchronized (in terms of drbd "oos" that mean: "out of sync"), and if really are perfectly synchronized, the plugin converts the secondary storage in primary for after apply the live migration, and after of a live migration successfully, finally convert the old primary storage in secondary. Of this mode, always we have a primary storage in execution for each VM. 3- But if we have the case of "oos", the plugin don't accept the live migration, and a error message appear in the screen. About of the verification of replicated storages in DRBD: 4- As DRBD has a command that do a verification of data and metadata of the replicated storages, will be fantastic have it in the schedule of the PVE-GUI. About of do a resynchronization if a storage is in "oos": 5- As DRBD has a set of commands for do a resynchronization (applied only to the blocks of disk that are different and not for the complet storage), also will be good have it in the PVE-GUI. ----- Original Message ----- From: "Dietmar Maurer" <diet...@proxmox.com> To: "Cesar Peschiera" <br...@click.com.py>; "PVE Development List" <pve-devel@pve.proxmox.com> Sent: Friday, March 20, 2015 2:00 PM Subject: Re: [pve-devel] DRBD9 test packages for jessie >I just want to note that the new DRBD9 has some cool feature > > - support more that 2 nodes > - support snapshots > - as fast as DRBD 8.X > > I am now writing a storage plugin, so that we can do further tests... > >> Oh, OK, sorry >> >> >> DRBD9 isn't ready for his use in a production environment, now is in >> >> pre-release phase... >> >> http://www.linbit.com/en/component/phocadownload/category/5-drbd >> >> >> >> Respectfully I mean that I believe that will be good wait to that >> >> DRBD9 >> >> be >> >> in a stable version before of release it in the pve repositories. >> > >> > That is why I compiled it for jessie, and uploaded to the jessie test >> > repository. >> > >> >> > _______________________________________________ pve-devel mailing list pve-devel@pve.proxmox.com http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel
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