[PVE-User] can't make zfs-zsync working

[Jean-Laurent Ivars]

Dear co-users,

I just installed a two proxmox cluster with last iso 3.4 and have subscription so i made all the updates. The pve-zsync fonction is really great and I really really would like to succeed make it work.

If someone already managed to make it work would you like please tell me how, I followed all the instructions on the page :
https://pve.proxmox.com/wiki/PVE-zsync <https://pve.proxmox.com/wiki/PVE-zsync>

Not working for me :(

First, a little bit more on my configuration, i made a completely zfs install, i created some nfs datasets but I could not add them in the storage configuration with the gui so had to create the directly into storage.cfg :

dir: local
	path /var/lib/vz
	content images,iso,vztmpl,backup,rootdir
	maxfiles 3

zfspool: Disks
	pool rpool/disks
	content images
	sparse

zfspool: BKP_24H
	pool rpool/BKP_24H
	content images
	sparse

zfspool: rpool
	pool rpool
	content images
	sparse

I show you what my zfs config look like :

NAME                        USED  AVAIL  REFER  MOUNTPOINT
rpool                       199G  6,83T    96K  /rpool
rpool/BKP_24H                96K  6,83T    96K  /rpool/BKP_24H
rpool/ROOT                 73,1G  6,83T    96K  /rpool/ROOT
rpool/ROOT/pve-1           73,1G  6,83T  73,1G  /
rpool/disks                92,5G  6,83T    96K  /rpool/disks
rpool/disks/vm-100-disk-1  2,40G  6,83T  2,40G  -
rpool/disks/vm-106-disk-1   963M  6,83T   963M  -
rpool/disks/vm-107-disk-1  3,61G  6,83T  3,61G  -
rpool/disks/vm-108-disk-1  9,29G  6,83T  9,29G  -
rpool/disks/vm-110-disk-1  62,9G  6,83T  62,9G  -
rpool/disks/vm-204-disk-1  13,4G  6,83T  13,4G  -
rpool/swap                 33,0G  6,86T    64K  -

and for the exemple the configuration of my test machine 106.conf :

balloon: 256
bootdisk: virtio0
cores: 1
ide0: none,media=cdrom
memory: 1024
name: Deb-Test
net0: virtio=52:D5:C1:5C:3F:61,bridge=vmbr1
ostype: l26
scsihw: virtio-scsi-pci
sockets: 1
virtio0: Disks:vm-106-disk-1,cache=writeback,size=5G

So now the result when i try the command given in the wiki :

COMMAND:
	zfs list -r -t snapshot -Ho name, -S creation rpool/vm-106-disk-1
GET ERROR:
	cannot open 'rpool/vm-106-disk-1': dataset does not exist

I understand the command expect the vm disk to be at the root of the pool so I change the disk place and i try either to send directly to the pool to the other side, but with no more luck :

send from @ to rpool/vm-106-disk-1 at rep_default_2015-09-24_12:30:49 estimated size is 1,26G
total estimated size is 1,26G
TIME        SENT   SNAPSHOT
warning: cannot send 'rpool/vm-106-disk-1 at rep_default_2015-09-24_12:30:49': Relais brisé (pipe)
COMMAND:
	zfs send -v rpool/vm-106-disk-1 at rep_default_2015-09-24_12:30:49 | zfs recv ouragan:rpool/vm-106-disk-1 at rep_default_2015-09-24_12:30:49
GET ERROR:
	cannot open 'ouragan:rpool/vm-106-disk-1': dataset does not exist
cannot receive new filesystem stream: dataset does not exist


Now it seem to work from the sender side but from the receiver side I get the error « dataset does not exist » of course, it’s supposed to be created no ?

I am completely new to ZFS so surely i’m doing something wrong… for exemple I don’t understand the difference between volume and dataset i searched a lot but nothing helped me understand clearly on the web and i suspect it could be it.

Is the a way to tell the command the disk is not at the root of the pool ?

Thank very much if someone can help me
P.S. I’m posting in the forum too (not sure what the best place to ask)

Best regards,

	
Jean-Laurent Ivars 
Responsable Technique | Technical Manager
22, rue Robert - 13007 Marseille 
Tel: 09 84 56 64 30 - Mobile: 06.52.60.86.47 
Linkedin <http://fr.linkedin.com/in/jlivars/>   |  Viadeo <http://www.viadeo.com/fr/profile/jean-laurent.ivars>   |  www.ipgenius.fr <https://www.ipgenius.fr/>
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