[Expired for OpenStack Compute (nova) because there has been no activity
for 60 days.]
** Changed in: nova
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1934241
Title:
snapshot doesn't flush dirty data
Status in OpenStack Compute (nova):
Expired
Bug description:
libvirt driver
Login a deployed VM and write some files, for example:
```
[lynn@host-172-26-105-43 ~]$ ls -lrt
...
-rw-rw-r--. 1 lynn lynn 677 Jun 29 06:30 sum
-rw-rw-r--. 1 lynn lynn 38 Jun 29 06:30 sum3.md5
[lynn@host-172-26-105-38 ~]$
```
then *right* after the file created, trigger the snapshot action of the VM
after that, deploy a new VM through the created image
found some files missing (e.g sum3.md5 file)
```
[lynn@host-172-26-105-43 ~]$ ls -lrt
...
-rw-rw-r--. 1 lynn lynn 648 Jun 29 06:30 sum
[lynn@host-172-26-105-43 ~]$
```
I checked the code and seems no flush operation in live or cold snapshot
(cold seems suspend the VM only)
https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L2952
is it by design or best practice ?
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