Difference between revisions of "Backup Targets and Storage"
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Latest revision as of 14:13, 4 January 2017
Targets
In general, web applications keep their data either within services (such as RDBMSes or a Key-Value Stores), or in the filesystem, using the Host's folder/file structure).These are, of course, our backup targets: the databases and the files..
In a more traditional application setup, backing up the logic (i.e. the application code) would also be necessary. Since Kobo Toolbox runs off Docker images, the application logic (at any particular point in time) is available in the Repository, so no code backups are required.
In the Kobo-Docker setup, three backup targets are identified:
| No | Description | Container | Location | Export format |
|---|---|---|---|---|
| 1 | User and system generated files | kobodocker_kobocat_1
|
/srv/src/kobocat/media
|
Folders and files in .tar.gz archive
|
| 2 | Postgres database | kobodocker_postgres_1
|
postgress service | .pgdump binary
|
| 3 | Mongo database | kobodocker_mongo_1
|
mongo service | .json and .bson in tar.gz archive
|
Target 1 is also available in $KOBO_DOCKER/.vols/kobocat_media_uploads/ on the Host. It is the same folder as the one inside kobodocker_kobocat_1, and it is a matter of convenience to decide which one to access for backup.
Target 3 is dispensible, redundant data that can be recreated from the rest of the system state; it is backed up primarily to faciliate swift recovery.
For detailed review of backup functions, please refer to Backup Procedures.
Storage
For this particular instance kobo.msf.org, backup storage was allocated on a Windows server on the local network. The backup storage is getting its own regular backup, per MSF ICT rules and regulations.
Backup storage is published as a Windows share on //192.168.50.50/KOBO-Backups/. This share is mounted on /media/kobo-backups/ on the Host.
To permanently mount backup storage onto KoBo server's filesystem, follow the steps laid out in Backup setup.
