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--- omv7:omv7_plugins:borgbackup [2024/05/05 19:17] – [What is the basic operation of BorgBackup?] chente
+++ omv7:omv7_plugins:borgbackup [2025/01/11 13:40] (current) – [Create] chente
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- Note
+Beginners Info
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 The key phrase that you should never forget is:<br>
-<b>"Your backup is absolutely useless if you don't know how to restore the data."</b>
+<b>"Your backup is absolutely useless if you don't know how to restore the data."</b><br>
+Test how the data restoration process works.
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 Do not confuse data integrity of an ARCHIVE in a REPOSITORY with data integrity of the backup source (your file system on the server where the data from which the backup is made is stored).<br>
 <b>Borgbakup does not in any way guarantee the integrity or bitrot of the backup source data.</b> Only integrity checks are performed on the data backed up in the REPOSITORY. If the data is corrupted at the source, it will end up irreparably corrupted in the backup.<br>
-If you need to guarantee the integrity of the files in your file system you must use other means, such as a COW file system such as ZFS or BTRFS. <b>Borgbackup is not a substitute for a COW file system</b> for user data.<br>
+If you need to ensure the integrity of files on your file system, you should use other means, such as a COW file system such as ZFS or BTRFS or a parity checking system such as SnapRaid. <b>Borgbackup is not a substitute for a COW file system</b> for user data.<br>
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 ''sudo omv-salt deploy run borgbackup''
+Example: setting the starting hour to 4 would mean the following:
+  * yearly jobs start on January 1 at 4
+  * monthly jobs start on the first day of the month at 4:30 (4 + 30 mins)
+  * weekly jobs start on Mondays at 5 (4 + 1 hour)
+  * daily jobs start at 5:30 (4 + 1 hour + 30 mins)
+  * hourly start at 5 mins after the hour every hour
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 {{ :omv7:omv7_plugins:borgbackup7-8.jpg?direct&600|Create Archive peter}}
-The second step is to create a //ARCHIVE//. Since we have different timing needs for Mary's and Peter's folders we will need to create two separate //ARCHIVES// that will be stored in the same //REPOSITORY//. Each of them defines where the content we want to back up is, how often and how many versions we want to maintain. We start with the //ARCHIVE// in the mary folder:
+The second step is to create a //ARCHIVE//. Since we have different timing needs for Mary's and Peter's folders we will need to create two separate //ARCHIVES// that will be stored in the same //REPOSITORY//. Each of them defines where the content we want to back up is, how often and how many versions we want to maintain.
-  * In the SERVICES > BORGBACKUP > REPOS tab, press the CREATE button and establish the following configuration:
-    * ENABLE: We activate this button so that the programming is active.
+We start with the //ARCHIVE// in the mary folder. In the SERVICES > BORGBACKUP > REPOS tab, press the CREATE button and establish the following configuration:
-    * NAME/PREFIX: ''mary''
+  * ENABLE: We activate this button so that the programming is active.
-    * REPO: We select the //REPOSITORY// that we have created, ''borg_local_repo''
+  * NAME/PREFIX: ''mary''
-    * COMPRESSION TYPE: ''lz4'' (to compress the backup content)
+  * REPO: We select the //REPOSITORY// that we have created, ''borg_local_repo''
+  * COMPRESSION TYPE: ''lz4'' (to compress the backup content)
   * COMPRESSION RATIO: ''9'' (highest compression value)
   * ONE FILESYSTEM ONLY: We activate this button since we only want to backup a folder in a single file system.
   * NO ATIME: We activate this button to avoid backing up versions with different access times.
   * INCLUDES: ''/srv/dev-disk-by-uuid-eb24d436-abba-4190-a343-4741b86fd2a7/data/documents/mary''
-  * EXCLUDES: (We leave it blank, we don't want to exclude anything from the peter folder)
+  * EXCLUDES: (We leave it blank, we don't want to exclude anything from the mary folder)
   * RETAIN HOURLY: ''8'' (the value 8, non-zero, determines that backups are made every hour since it is the first non-zero value and the backups of the last 8 hours will also be kept)
   * RETAIN DAILY: ''7'' (the value 7 determines that the last 7 daily backups will be retained)
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 To see the versions of the backups generated so far, select the //REPOSITORY// and press the LIST button.
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