scowse schrieb:
Thanks for all your efforts on documenting this one but I would never strike this scenario because I do not quiesce.
When I require absolutely bullet-proof backups for mission critical vms, which I have had for several years thanks to ghetto, I leave nothing to chance and shut the vm down before backup.
If you are unable to do so then you should pay a larger sum of money for your backup solution.
I have always viewed quiescing as a smoke and mirrors black art and studiously avoided it - hence no problems!
Hi scowse.
I partially agree to what you say.
We also have switched our backup stragtegy to have backups once per week for all machines in an switched-off state. That's not a big deal. Shutdown, take snapshot, restart, backup.
On the other side I have to comment that the so called "expencive backup solutions" are expencive in the first place. For some customers we swtiched back to a ghettoVCB like approach because it seems that some of the vendors meanwhile have problems in handling the compelxity of their own software applications.
And those solutions use the same ecosystem as ghettoVCB at least if they do not implement their own VSS provider (as e.g. Symantec does) and so are susceptible to the same kind of problems. Don't know if you have watched the flame war between Veem and Symantec regarding vStorage API 5.1 and the chances in getting a reliable backup solution at all.
So there is nothing wrong with quiescing in general if:
- you trust the VSS provider and all VSS writers for your applications
- use the correct redo-log for the backup process.
Cheers.