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linux:backup:duply [2017/06/14 09:02] – niziaklinux:backup:duply [2021/05/10 13:53] – niziak
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 +====== Duply ======
 +
 ====== Installation ====== ====== Installation ======
 <code bash> <code bash>
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 **Note:** duply dosn't make any cleanup or deletions during ''backup'' action. So destination storage can be full very quickly. **Note:** duply dosn't make any cleanup or deletions during ''backup'' action. So destination storage can be full very quickly.
-To perform maintenance of old backup accordign to ''MAX_AGE'', ''MAX_FULL_BACKUPS'' and ''MAX_FULLBKP_AGE'' parameters it is need to call+To perform maintenance of old backup accordign to ''MAX_AGE'', ''MAX_FULL_BACKUPS'', ''MAX_FULLS_WITH_INCRS'' and ''MAX_FULLBKP_AGE'' parameters it is need to call
 duply with ''purge'' and ''cleanup'' commands. See cron script example below. duply with ''purge'' and ''cleanup'' commands. See cron script example below.
 +
 +Example options:
 +  * MAX_FULL_BACKUPS=2
 +  * MAX_FULLS_WITH_INCRS=1
 +Will keep 2 full backup sets, but only one with increments (last one).
 +
 +Sometimes it is good to check whether incremental backups are meaningful (it depends on type of data stored). If command
 +<code bash>duply gitlab status</code> shows that number of volume with each increment is similar to full backup, then making increments has no sense, ane time to keep increments
 +can be short e.g. MAX_FULLBKP_AGE=7D
 +
  
 ====== Usage ====== ====== Usage ======
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 <file bash> <file bash>
 +#!/bin/bash -ue
 +set -o pipefail
 +trap "banner error; echo LINE: $LINENO" ERR
 +
 duply gitlab backup duply gitlab backup
 duply gitlab purge --force # list outdated backup archives and delete them duply gitlab purge --force # list outdated backup archives and delete them
 +duply gitlab-to-grinnux purgeIncr --force
 +duply gitlab-to-grinnux purgeFull --force
 duply gitlab cleanup --extra-clean --force > /dev/null # list broken backup files and delete them duply gitlab cleanup --extra-clean --force > /dev/null # list broken backup files and delete them
 +banner ALL OK
 </file> </file>
  
 +===== shell function =====
 +<code bash>
 +#!/bin/bash -ueE
 +set -o pipefail
 +trap "banner error; echo LINE: $LINENO" ERR
  
 +run_duply() {
 +    echo "====================================================="
 +    duply ${1} backup
 +    echo "====================================================="
 +    duply ${1} cleanup --extra-clean --force
 +    duply ${1} purge --force
 +    duply ${1} purgeIncr --force
 +    duply ${1} purgeFull --force
 +    echo "====================================================="
 +    duply ${1} cleanup --extra-clean --force > /dev/null
 +    echo "====================================================="    
 +    banner ${1} OK
 +}
 +</code>
  
 ====== SFTP and rbash ====== ====== SFTP and rbash ======