[PVE-User] ZFS Replication on different storage

Fabrizio Cuseo f.cuseo at panservice.it
Fri Mar 15 10:10:34 CET 2019


Hello Gianni. 
I wrote in my email that pve-zsync is not suitable for my need (redundancy with VM migration from one host to another). 

Fabrizio 

----- Il 15-mar-19, alle 10:08, Gianni M. <tribalizer at hotmail.com> ha scritto: 

> I think it's hardcoded to use rpool as the default target pool, but I might be
> wrong.

> You might want to have a look at pve-zsync instead ?

> https://pve.proxmox.com/wiki/PVE-zsync

> NiCK

> From: pve-user <pve-user-bounces at pve.proxmox.com> on behalf of Fabrizio Cuseo
> <f.cuseo at panservice.it>
> Sent: Friday, March 15, 2019 8:48:58 AM
> To: pve-user
> Subject: Re: [PVE-User] ZFS Replication on different storage
> Thank you, I have already seen this page; i know and use zfs with freenas and
> other (tipically i use ceph, but for this cluster I only need the replication
> feature), but pve-zsync is used more for offsite-backup than redundancy, and
> the VM can't be migrated from one host to another.
> So, is not usable :(

> Thanks, Fabrizio

> ----- Il 15-mar-19, alle 9:36, bsd at todoo.biz ha scritto:

> > Please check this page :

>> [ https://pve.proxmox.com/wiki/PVE-zsync |
> > https://pve.proxmox.com/wiki/PVE-zsync ]


> > pve-zsync is a very nice tool. You need to know and understand what you are
> > doing (generally speaking, it is a good advise).

> > ZFS is a complex file system with major features, but It has a certain learning
> > curve.
> > If you have no notion of ZFS, use another backup strategy or learn some basics
> > about ZFS.

> > you should first install pve-zsync and issue a command looking similar to this
> > one :

> > pve-zsync create -dest 192.168.210.28:tank/proxmox1 -limit 12600 -maxsnap 7
> > -name kvm1.srv -source 133 -verbose


> > Where 192.168.210.28 is the IP of your second host / backup host… and
> > tank/proxmox1 is the dataset where you'll backup.

> > First run will actually create the backup and sync It.
> > It will also create a cron job available in /etc/cron.d/pve-zsync

> > You can edit this file in order to tune the various parameters (most probably
> > the frequency).


> > Do read the doc.

> >> Le 15 mars 2019 à 09:18, Fabrizio Cuseo <f.cuseo at panservice.it> a écrit :

> >> Hello Yannis.
> >> I can't see an option to specify remote storage (or pool) name.
> >> If you read my email, i need to replicate:

> >> HostA/poolZ ----> HostB/poolY

> >> But without specifying the remote pool name (there is no pool field in the gui),
> >> it replicates from HostA/PoolZ ---> HostB/PoolZ (where i have no enough space)
> >> Regards, Fabrizio

> >> ----- Il 14-mar-19, alle 19:48, Yannis Milios <yannis.milios at gmail.com> ha
> >> scritto:

> >>> Yes, it is possible...

>>>> [ [ https://pve.proxmox.com/pve-docs/chapter-pvesr.html |
> >>> https://pve.proxmox.com/pve-docs/chapter-pvesr.html ] |
>>>> [ https://pve.proxmox.com/pve-docs/chapter-pvesr.html |
> >>> https://pve.proxmox.com/pve-docs/chapter-pvesr.html ] ]

>>>> On Thu, 14 Mar 2019 at 11:19, Fabrizio Cuseo < [ [ mailto:f.cuseo at panservice.it
> >>> |
> mailto:f.cuseo at panservice.it ] |
> >>> f.cuseo at panservice.it ] > wrote:

> >>>> Hello.
> >>>> I have a customer with a small cluster, 2 servers (different models).

> >>>> I would like to replicate VMs from host A to host B, but from local-zfs (host A)
> >>>> to "zfs-data-2" (host B).

> >>>> On the GUI this is not possibile, what about some workaround ?

> >>>> Regards, Fabrizio

> >>>> --
> >>>> ---
>>>>> Fabrizio Cuseo - mailto: [ [ mailto:f.cuseo at panservice.it |
> >>>> mailto:f.cuseo at panservice.it ] | f.cuseo at panservice.it
> >>>> ]
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> >>> --
> >>> Sent from Gmail Mobile

> >> --
> >> ---
> >> Fabrizio Cuseo - [ mailto:f.cuseo at panservice.it | mailto:f.cuseo at panservice.it ]
> >> Direzione Generale - Panservice InterNetWorking
> >> Servizi Professionali per Internet ed il Networking
> >> Panservice e' associata AIIP - RIPE Local Registry
> >> Phone: +39 0773 410020 - Fax: +39 0773 470219
>>> [ http://www.panservice.it/ | http://www.panservice.it ] [
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> --
> ---
> Fabrizio Cuseo - [ mailto:f.cuseo at panservice.it | mailto:f.cuseo at panservice.it ]
> Direzione Generale - Panservice InterNetWorking
> Servizi Professionali per Internet ed il Networking
> Panservice e' associata AIIP - RIPE Local Registry
> Phone: +39 0773 410020 - Fax: +39 0773 470219
> [ http://www.panservice.it/ | http://www.panservice.it ] [
> mailto:info at panservice.it |
> mailto:info at panservice.it ]
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-- 
--- 
Fabrizio Cuseo - mailto:f.cuseo at panservice.it 
Direzione Generale - Panservice InterNetWorking 
Servizi Professionali per Internet ed il Networking 
Panservice e' associata AIIP - RIPE Local Registry 
Phone: +39 0773 410020 - Fax: +39 0773 470219 
http://www.panservice.it mailto:info at panservice.it 
Numero verde nazionale: 800 901492 



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