GitHub user akrasnov-drv added a comment to the discussion: CloudStack fails to
start more VMs
Thank you @weizhouapache
I see the PR is not merged yet. I tried to apply the change myself to existing
qcow template (mount qcow, update, compress to bz2, and reload), but then
appeared that my changes are "overwritten" by the next layer of qcow when VR is
started (my change is in the backingStore):
```
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2' cache='none'/>
<source
file='/mnt/4798c891-2d66-35c8-b0e3-706fedb51483/31fde825-d5a6-4860-a5b8-a0582e63ff0d'
index='2'/>
<backingStore type='file' index='3'>
<format type='qcow2'/>
<source
file='/mnt/4798c891-2d66-35c8-b0e3-706fedb51483/7ed14888-2a17-42f3-8c06-e7879041e4d1'/>
<backingStore/>
</backingStore>
```
Could you point me from where it comes?
Alternatively,
Are there nightly builds where I can take updated template from?
When 4.20.1 (with the fix) is expected?
GitHub link:
https://github.com/apache/cloudstack/discussions/10184#discussioncomment-11974091
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