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  1. Virtuozzo Technical Support
  2. Virtuozzo Hybrid Server
  3. Troubleshooting

Troubleshooting

  • Windows Server 2019/2022 VMs gets to the recovery mode after reboot
  • Cannot create bridge interface (VLAN) longer than 15 characters
  • c2v-convert may cause backup issues with VM
  • Recover distributive mismatch during c2v-convert
  • How to use Centos 7 template after EOL
  • Unable to boot a VM after the host node restart
  • EFI VM migration resticted from Virtuozzo Hybrid Server 7.5 Update 5 and later to the Virtuozzo Hybrid Server 7.5 Update 4 and earlier
  • Backup a VM that is not compatible in VHS7 (cannot store dirty bitmaps in qcow2 v2 files)
  • Cannot clone container due to attached backup
  • Iptables-nft has issues with restoration in ubuntu-22.04 template
  • NFS server inside a Container does not work (CentOS 8 and Almalinux 8)
  • Cannot create or update cache for ubuntu-20.04-x86_64 EZ template - Errors were encountered while processing: apt
  • IPv6 not forwarding to container
  • Linux VM migration from Virtuozzo 6 to Virtuozzo 7 results in libguestfs error: no matching node
  • Virtuozzo 6 to VHS 7 VM migration fails on booting new VM with "unsupported machine type" error message
  • GRE module on the host node prevents containers live migration
  • CS service cannot start with "No buffer space available" error message on a node with many network interfaces
  • Issues with firewall on HW Node - Impossible to use ip_nat and ipt_state modules
  • Migrated container from OpenVZ to PCS fails to convert to ploop
  • Unable to create ploop-based container after upgrade to PCS 6
  • Directories left after unsuccessful container migration cannot be deleted
  • Online migration fails : /usr/sbin/vzctl exited with code 152
  • Virtuozzo Hybrid Server or Storage license fails to update automatically
  • Container migration fails with "ssh exited with code 2" error message
  • [HOWTO]A ploop container cannot be started: Device or resource busy [152]
  • vzlist shows initial diskspace value after resizing
  • Ploop snapshot cannot be deleted with "Single delta, nothing to merge" error message
  • Hardware server migration to container in ploop format not supported in PVA
  • Virtuozzo Storage critical error: Unable connect to cluster, timeout (30 sec) expired
  • A ploop container cannot be resized: Unable to change image size to N1 sectors, minimal size is N2
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