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Virtualbox SBS 2008 guest freezes


We have a virtualbox VM running SBS 2008 running on an XP pro 64 bit host.
Since installed the server has been unstable. Now it freezes once each 2 days or less.

No error logs, no clue.

We tried all 3.X virtualbox versions and same thing. Tried lowering from 2 cores to 1 core.
Nothing seems to work.

Any help would be really appreciated.
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Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)
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What specification is your virtualbox host, what resources (CPU, Memory) have you defined to the virtual machine.
I am not familiar with Virtualbox, but if it is an XP host, how much RAM were you able to assign the SBS?
Also make sure you don't have anti-virus software on the host scanning the VM.
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Cliff Galiher
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We decided to use virtualbox because we use Shadowproect for backups and want to use the virtualboot feature of shadowprotect (which works with virtualbox)

We chose XP pro 64 bit for budget reasons

XP host has a quadcore and 16GB of ram. The VM has 2 cores and 4GB assigned.

Thanks !!
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Well, as I said, VirtualBox is particularly unkind to SBS 2008. If it were me, I'd use VMWare or Hyper-V (both supported parents for SBS) and use SC's image conversion tool when necessary. The conversion is very fast thus the amount of time to failover is similar.

Sorry, It actually has 6GB. Im gonna raise that anyway and let you know what happens.

cgal, what is SC's image conversion tool ?

Could Virtualbox performance be compared with using qemu without KVM or kqemu ?
StorageCraft (SC) has an image conversion tool as part of their ShadowProtect product. It converts their backup images to .vhd (for Hyper-V) or .vmdk (vmware) for use with those hypervisors.

Virtualbox is much faster and more stable than qemu. I would never rely on qemu for running any production server, even in a DR scenario.

Yes, I supposed so. Did you test KVM ? any better performance than virtualbox ?
Haven't used it.
accepted
This question has been classified as abandoned and is being closed as part of the Cleanup Program. See my comment at the end of the question for more details.