add doc on quiesced snapshots and a warning on SMB

This commit is contained in:
Olivier Lambert 2017-01-03 10:59:40 +01:00
parent 0df04c84d2
commit f0b758fd4b
3 changed files with 18 additions and 0 deletions

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@ -25,6 +25,22 @@ A successful backup task will be displayed in green, a faulty one in red. You ca
You also have a filter to search anything related to these logs.
> Logs are not "live" tasks. If you restart XOA during a backup, the log associated with the job will stay in orange (in progress), because it wasn't finished. It will stay forever not finished because the job was cut in the middle.
## Consistent backup (with quiesce snapshots)
All backup are relying on snapshots. But what about data consistency? By default, Xen Orchestra will try to make a **quiesce snapshots** everytime a snapshot is done.
All your Windows VMs can be protected (especially MS SQL or Exchange services) after you have installed Xen tools in your VMs. A quiesce snapshots means the operating system will be notified and the cache will be flush on disks. This way, your backups will be consistent.
To see if you have quiesced snapshots for a VM, just go into its anapshot tab, the "info" icons means it is a quiesced snapshot:
![](./assets/quiesced1.png)
The tooltip confirms this:
![](./assets/quiesced2.png)
## Remotes
> Remotes are places where your *backup* and *delta backup* files will be stored.
@ -48,6 +64,8 @@ On your NFS server, authorize XOA's IP and permissions for subfolders. That's al
We support SMB storage on *Windows Server 2012 R2*.
> WARNING: In continuous delta backup, SMB is **NOT** recommended (or only for small VMs, eg < 50GB)
Also, read twice the UI when you add a SMB store. If you have:
* `192.168.1.99` as SMB host