Title: Unable to do an incremental backup using NDMP from a NetApp filer
Date: Dec 2006
NV Version: any
OS Version: N/A
Application version:
Plugin version:all
Description: Unable to do a incremental backup using NDMP from a NetApp filer
Symptoms:
Exerpt from binary log
Information 2006/10/19 06:45:12 2465 Data Plugin backup1 NDMP: NORMAL 0: DUMP: Cannot do an incremental dump of all non-qtree files.
If we wish to backup volumes that contain non qtree data and qtree data together, we can only do this with a dump level 0 (full backup). for this we take the default volume backup options.
To backup the qtree data only and at the same time have the ability to do incremental backups on a volume that contains both qtree data and non qtree data. we need to select backup options “ backup subvolumes individually” and “backup subvolume data only”.
To backup the non qtree data only we need to select “backup non-subvolume data only” and these can only be dump level 0 (full backup) backups.
Environment Variable Description
NON_QUOTA_TREE Y or N
Default =N
Specifies that files and directories in qtrees are ignored when backing up data. The NON_QUOTA_TREE variable is equivalent to the Q option of the dump command. When set to Y, items in qtrees in the dataset specified by the FILESYSTEM variable are not backed up. This
variable has an effect only if the FILESYSTEM variable specifies an entire volume. The NON_QUOTA_TREE variable only works on a
level-0 backup and does not work if the MULTI_SUBTREE_NAMES variable is specified.
In this case we are unable to do the incremental backup as the option is restricted to full backups.
