Différences

Ci-dessous, les différences entre deux révisions de la page.

--- tech:notes_sauvegardes_backup_avec_restic [2025/05/20 12:20] – Jean-Baptiste
+++ tech:notes_sauvegardes_backup_avec_restic [2025/12/04 18:19] (Version actuelle) – Jean-Baptiste
@@ Ligne 1: / Ligne 1: @@
+<!DOCTYPE markdown>
 {{tag>Backup Crypt Cloud rclone}}
-= Notes sauvegardes backup avec Restic
+# Notes sauvegardes backup avec Restic
 Restic - L’excellent outil de sauvegarde de fichiers
@@ Ligne 14: / Ligne 15: @@
 Exemple avec rclone
-<code bash>
+~~~bash
 rclone serve restic --addr localhost:8889 --user foo --pass s3kr1t remote:bucket/path
-</code>
+~~~
-<code bash>
+~~~bash
 export RESTIC_REPOSITORY='rest:http://foo:s3kr1t@localhost:8889'
 export RESTIC_PASSWORD=Password123
-</code>
+~~~
-<code bash>
+~~~bash
 restic init
 restic snapshots
@@ Ligne 31: / Ligne 32: @@
 find ~/bin/ -maxdepth 1 -type f -print0 | restic backup --tag plop --files-from-raw=/dev/stdin
 restic ls -l latest
-</code>
+~~~
-<code bash>
+~~~bash
 mkdir mnt
 restic mount mnt/ &
 ls -l ~/mnt/snapshots/latest/
-</code>
+~~~
-<code ->
+~~~
 $ ls mnt/
 hosts  ids  snapshots  tags
-</code>
+~~~
 Maintenance
-<code bash>
+~~~bash
-restic check
+restic check --read-data
 restic prune
@@ Ligne 52: / Ligne 53: @@
 restic migrate upgrade_repo_v2
 restic migrate
-</code>
+~~~
 Remove snapshot
-<code bash>
+~~~bash
 restic snapshots
@@ Ligne 63: / Ligne 64: @@
 restic prune
-</code>
+~~~
+### Tailles des snapshots
+A partir de la version 0.17
+~~~bash
+restic snapshots --json add5377d | jq
+~~~
+Sinon
+~~~
+# Affiche la taille restant après effacement
+$ restic forget --dry-run --prune add5377d | grep remaining
+remaining:         98347 blobs / 8.590 GiB
+unused size after prune: 0 B (0.00% of remaining size)
+$ restic stats add5377d | grep -i size
+Stats in restore-size mode:
+              Total Size:  31.640 GiB
+$ restic stats --mode raw-data add5377d | grep -i size
+ Total Uncompressed Size:  9.152 GiB
+              Total Size:  8.235 GiB
+$ rclone size e_nas:
+Total objects: 589 (589)
+Total size: 8.598 GiB (9232005166 Byte)
+$ rclone size NAS_FTP:home/Backup/
+Total objects: 589 (589)
+Total size: 8.600 GiB (9234283006 Byte)
+~~~
+~~~
+$ restic forget --dry-run --prune $(restic snapshots --tag blob | awk '/DATA$/ {print $1}') | grep remaining
+remaining:         87662 blobs / 417.746 MiB
+unused size after prune: 0 B (0.00% of remaining size)
+~~~
+Diff entre deux snapshots
+~~~bash
+restic snapshots --latest 2 --tag blob | grep /Work$
+restic diff -v f462cfae a230e52f
+~~~
+Différences de tailles entre deux snapshots
+~~~
+$ restic diff f462cfae a230e52f | egrep "Added|Removed"
+  Added:   0 B
+  Removed: 0 B
+~~~
+-----------
+''bin/backup.sh''
+~~~bash
+#! /bin/bash
+set -euo pipefail
+# export RESTIC_REPOSITORY='rest:http://localhost:8889'
+# export RESTIC_PASSWORD=P@ssw0rd
+# shellcheck source=/home/management/.backup.env
+source ~/.backup.env
+do_rclone_listen() {
+    rclone serve restic --addr localhost:8889 e_nas:/restic1
+}
+do_backup() {
+    restic backup --tag code ~/code/
+    restic backup --tag code ~/*.env
+    restic backup --tag blob ~/Work/
+    restic backup --tag tools ~/go/bin/
+    restic backup --exclude='tmp/' --tag blob /mnt/c/DATA/
+    find ~/bin/ -maxdepth 1 -type f -print0 | restic backup --tag script --files-from-raw=/dev/stdin
+}
+do_post_backup() {
+    restic prune
+}
+main() {
+    do_rclone_listen &
+    sleep 1
+    do_backup
+    do_post_backup
+    killall rclone
+    echo OK
+}
+main
+~~~