backup hangs

[Amori]

Hello,

backups, restore take long time and hangs at the end.

()
Package versions
proxmox-ve: 4.3-66 (running kernel: 4.4.19-1-pve)
pve-manager: 4.3-10 (running version: 4.3-10/7230e60f)
pve-kernel-4.4.13-1-pve: 4.4.13-56
pve-kernel-4.4.19-1-pve: 4.4.19-66
lvm2: 2.02.116-pve3
corosync-pve: 2.4.0-1
libqb0: 1.0-1
pve-cluster: 4.0-47
qemu-server: 4.0-94
pve-firmware: 1.1-10
libpve-common-perl: 4.0-80
libpve-access-control: 4.0-19
libpve-storage-perl: 4.0-68
pve-libspice-server1: 0.12.8-1
vncterm: 1.2-1
pve-docs: 4.3-14
pve-qemu-kvm: 2.7.0-6
pve-container: 1.0-81
pve-firewall: 2.0-31
pve-ha-manager: 1.0-35
ksm-control-daemon: 1.2-1
glusterfs-client: 3.5.2-2+deb8u2
lxc-pve: 2.0.5-1
lxcfs: 2.0.4-pve2
criu: 1.6.0-1
novnc-pve: 0.5-8
smartmontools: 6.5+svn4324-1~pve80

 

[fireon]

Sorry, but this really not enough information. What Server you have, how many disk, how fast are the disk, what Raidlevel, ZFS?, Hardwareraid, a Storage.... from where to where you backup your vm's and how. What backupdevice you have. It has already worked? And what says

pveperf

at cmd.