Article ID: 5229, created on Apr 28, 2008, last review on Apr 16, 2012

  • Applies to:
  • Virtuozzo for Windows 3.5.1 SP1


Synopsis: New Virtuozzo 3.5.1 update provides fixes related to SystemCache usage
Issue date: 2008-04-28
Product: Virtuozzo 3.5.1 SP1

1. Topic:

Update for Parallels Virtuozzo Containers optimizes kernel memory usage by Virtuozzo internal structures.

2. Problem description:

- Under high load kernel resources are used intensively which might lead to SystemCache shortage on 32-bit nodes. Such a shortage might be indicated in the System event log by by an error “An I/O operation initiated by the Registry failed unrecoverably. The Registry could not read in, or write out, or flush, one of the files that contain the system's image of the Registry.” (Event ID: 333). The update optimizes usage of SystemCache by containers’ registry.

All Virtuozzo 3.5.1 users are advised to update their Virtuozzo node.

3. Affected components description:

- Containers’ registry, Virtuozzo core

4. Bug fixes:


5. New Microsoft updates are available to install on the node after the current update installation:


6: New Citrix updates are supported for installation iside VEs after the current update installation:


7. Obtaining and Installation:

On the Virtuozzo Windows host, run Virtuozzo Update Wizard  (vzupdate.exe)  and follow the instructions.   This wizard will install all the recent Virtuozzo updates and hotfixes in the correct sequence. Otherwise you can install Virtuozzo updates manually.

Please see how to check current Virtuozzo version and number of installed Virtuozzo updates.

1348db476c8a5844ffbef8d503db9c15 965b49118115a610e93635d21c5694a8 d02f9caf3e11b191a38179103495106f 2897d76d56d2010f4e3a28f864d69223

Email subscription for changes to this article
Save as PDF