Article ID: 118683, created on Nov 17, 2013, last review on Jun 17, 2016

  • Applies to:
  • Virtuozzo 6.0


It's impossible to create appcache, error output is same as:

# vzpkg create appcache --ostemplate centos-6-x86_64 --apptemplate devel
Creating OS template cache for centos-6-x86_64 template with application templates:
Unpacking ploop /vz/template/cache/centos-6-x86_64.plain.ploopv2.tar.lzrw
dumpe2fs 1.41.12 (17-May-2010)
tune2fs 1.41.12 (17-May-2010)
Setting reserved blocks count to 65484
Error: Failed to mount ploop image /vz/tmp//vzpkg.hlejwc: 38
Error: Cannot mount ploop device
Error: Failed to umount ploop image /vz/tmp//vzpkg.hlejwc: 40


This issue is recognized as a bug with internal ID PSBM-23468. The issue has been fixed since PCS 6.0 Update 5.


Install the updates on the server:

# yum update

Search Words

Failed to mount ploop image

vzpkg create appcache



Failed to umount ploop image

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