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https://issues.apache.org/jira/browse/CLOUDSTACK-10193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16296282#comment-16296282
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ASF subversion and git services commented on CLOUDSTACK-10193:
--------------------------------------------------------------
Commit 04f4baa1dc89bbaf54d5168866c1ac70cedecce3 in cloudstack's branch
refs/heads/debian9-systemvmtemplate from [~rohit.ya...@shapeblue.com]
[ https://gitbox.apache.org/repos/asf?p=cloudstack.git;h=04f4baa ]
CLOUDSTACK-10193: Use other64Linux for systemvms on VMware
In default/fresh installations, the guest os type for systemvms with id=15
or Debian 5 (32-bit) can cause memory allocation issues to guest. Using
Other Linux 64-bit as guest OS systemvms get all the allocated RAM. This
avoids OOM related kernel panics for certain VRs such as rVRs, lbvm etc.
Signed-off-by: Rohit Yadav <rohit.ya...@shapeblue.com>
> SystemVMs/VRs face kernel panic due to OOM on VMware
> ----------------------------------------------------
>
> Key: CLOUDSTACK-10193
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-10193
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Reporter: Rohit Yadav
> Assignee: Rohit Yadav
> Fix For: 4.11.0.0
>
>
> An edge case, systemvms use the guest os type 15 (or Debian 32-bit) which may
> lead VMware vCenter to not allocate all the RAM (default 256MB) to the guest.
> Via vCenter it shows that 256MB is allocated, but free -m (or cat
> /proc/meminfo) revealed that only 157MB was allocate in my testing against
> VMware 5.5 and 6.5. The fix would be to use a more appropriate guest os type
> that works for VMware 5.0+, other 64-bit Linux. We cannot use Debian7+ 64-bit
> as the guest os type is not available on older vCenter.
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