Article ID: 7998, created on Jan 26, 2010, last review on Apr 18, 2012

  • Applies to:
  • Virtuozzo containers for Linux 4.0

Release notes

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Synopsis:         New Parallels Virtuozzo Containers 4.0 tools update provides
                           fixes related to migrating Containers to virtual machines.
Issue date:       2010-01-19
Product:            Parallels Virtuozzo Containers 4.0
Keywords:        'c2v' 'migration'
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1. Topic:

Updated packages for Parallels Virtuozzo Containers 4.0 provide the following
user-level tool fixes:

- migrating Containers to virtual machines on Parallels servers

2. Problem description:

- The process of migrating a Container to a virtual machine may fail if the
   Container is running one of the latest Linux distributions.

- Migrating a Container to a virtual machine may fail if the kernel and GRUB
   packages are installed inside the Container.

- Directory permissions may change after migrating a Container to a virtual
   machine.

- Migrating a Container with big disks may fail.

- Migrating a Container to a virtual machine may fail if the Container contains
   many small files.

- The process of migrating a Container to a virtual machine may hang if the
   Plesk 9 application is installed inside the Container.

All Virtuozzo Containers 4.0 users are advised to update their tools packages.

3. Affected components description:

- 'vzctcalc' is a tool for calculating the disk and memory usage of Containers.

- 'nbd' is a Linux network block device utility allowing you to use remote
   block devices over a TCP/IP network.

4. Bug fixes:

#447767 - Permissions on the /usr directory were changed after migrating a
           Container to a virtual machine.

#446154 - [c2v] Container with an unlimited disk space is migrated with an
           error.

#446402 - Cannot migrate a Container running the x32 and x64 versions of
           Debian 5.0.

#445529 - vzctcalc incorrectly calculates the inodes size.

#445029 - [c2v] Error occurs when migrating a Container based on the RHEL x86
           template and having Plesk 9 installed.

#444602 - Migrating a Container with Plesk 9 to a virtual machine may hang.

5. Obtaining:

You can download and install this tools update using the 'vzup2date' utility
included in the Virtuozzo Containers 4.0 distribution.

6. Installation:

Use the 'vzup2date' command to install the new Parallels Virtuozzo tools
packages.

The update does not require Virtuozzo restart or system reboot.

7. RPMs required:

The following RPM packages are included in the tools update:

virtuozzo-release-4.0.0-482.i386.rpm
libvznbdmig-4.6.0-4.i386.rpm
vzctcalc-4.6.0-4.i386.rpm

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(c) 1999-2010 Parallels Holdings, Ltd. and its affiliates. All rights reserved.

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