diff --git a/docs/assets/quiesced1.png b/docs/assets/quiesced1.png new file mode 100644 index 000000000..e5ce06319 Binary files /dev/null and b/docs/assets/quiesced1.png differ diff --git a/docs/assets/quiesced2.png b/docs/assets/quiesced2.png new file mode 100644 index 000000000..f248cd924 Binary files /dev/null and b/docs/assets/quiesced2.png differ diff --git a/docs/backups.md b/docs/backups.md index e9b7ca07a..be78ecd95 100644 --- a/docs/backups.md +++ b/docs/backups.md @@ -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