From b74af7b618785743b85cb86b7bb6e5341bd2d3ef Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fabian=20Gr=C3=BCnbichler?= Date: Tue, 26 Apr 2016 09:27:02 +0200 Subject: [PATCH] add more to vzdump lxc snapshot section --- vzdump.adoc | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/vzdump.adoc b/vzdump.adoc index 5440ae8..3276a32 100644 --- a/vzdump.adoc +++ b/vzdump.adoc @@ -84,8 +84,14 @@ using ACLs in suspend mode if the backup storage is an NFS server. `snapshot` mode:: This mode uses the snapshotting facilities of the underlying -storage. A snapshot will be made of the container volume, and the -snapshot content will be archived in a tar file. +storage. First, the container will be suspended to ensure data consistency. +A temporary snapshot of the container's volumes will be made and the +snapshot content will be archived in a tar file. Finally, the temporary +snapshot is deleted again. + +NOTE: `snapshot` mode requires that all backed up volumes are on a storage that +supports snapshots. Using the `backup=no` mountpoint option individual volumes +can be excluded from the backup (and thus this requirement). Backup File Names @@ -186,7 +192,7 @@ Backup all guest systems and send notification mails to root and admin. # vzdump --all --mode suspend --mailto root --mailto admin -Use snapshot mode (no downtime). +Use snapshot mode (no downtime) and non-default dump directory. # vzdump 777 --dumpdir /mnt/backup --mode snapshot