5.3 KiB
5.3 KiB
category, type, title, created, date, tags
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migrating to truenas, sanoid+syncoid backup | 2026-05-17T11:29:26 | 2026-05-17 |
So I'm going to try running TrueNAS on my backup machine rather than Proxmox with Sanoid and Syncoid.
here are my current config and scripts on the
/etc/sanoid/sanoid.conf
########################
# stanleypool datasets #
########################
[stanleypool/archive]
use_template = stanleypool-nightly
recursive = zfs
process_children_only = no
[stanleypool/bobbie]
use_template = stanleypool-nightly
recursive = zfs
process_children_only = no
[stanleypool/music]
use_template = stanleypool-nightly
recursive = zfs
process_children_only = no
[stanleypool/photos]
use_template = stanleypool-nightly
recursive = zfs
process_children_only = no
[stanleypool/video]
use_template = stanleypool-nightly
recursive = zfs
process_children_only = no
#############
# templates #
#############
[template_stanleypool-nightly]
frequently = 0
hourly = 0
daily = 90
weekly = 26
monthly = 24
yearly = 0
autosnap = no
autoprune = yes
prune_defer = 80
/usr/local/bin/zfs-nightly-backup.sh
#!/bin/bash
GLOBAL_TIMEOUT="6h"
# --- CRASH SAFETY NET ---
# If the script exits prematurely for ANY reason, run the shutdown function
failure_cleanup() {
echo "$(date '+[%Y-%m-%d %H:%M:%S]') CRITICAL: Script terminated unexpectedly! Triggering safety shutdown."
ssh root@pve-shug9 "/sbin/shutdown +10 'Nightly backup crashed, shutting down in 10 minutes'"
/sbin/shutdown +10 "Nightly backup crashed, shutting down in 10 minutes"
}
# Trap standard exit signals (1 = General errors, 2 = Ctrl+C, 15 = Terminate)
trap 'if [ "$EXIT_STATUS" != "0" ] && [ "$EXIT_STATUS" != "124" ]; then failure_cleanup; fi' EXIT
run_backups() {
# pull existing snapshots from source (thinkstation)
/usr/sbin/syncoid --quiet -r --no-sync-snap --create-bookmark --use-hold --identifier=pull --preserve-recordsize --preserve-properties root@pve-thinkstation:noggapool/bobbie stanleypool/bobbie
sleep 10
/usr/sbin/syncoid --quiet -r --no-sync-snap --create-bookmark --use-hold --identifier=pull --preserve-recordsize --preserve-properties root@pve-thinkstation:noggapool/photos stanleypool/photos
sleep 10
/usr/sbin/syncoid --quiet -r --no-sync-snap --create-bookmark --use-hold --identifier=pull --preserve-recordsize --preserve-properties root@pve-thinkstation:noggapool/archive stanleypool/archive
sleep 10
/usr/sbin/syncoid --quiet -r --no-sync-snap --create-bookmark --use-hold --identifier=pull --preserve-recordsize --preserve-properties root@pve-thinkstation:noggapool/music stanleypool/music
sleep 10
/usr/sbin/syncoid --quiet -r --no-sync-snap --create-bookmark --use-hold --identifier=pull --preserve-recordsize --preserve-properties root@pve-thinkstation:noggapool/video stanleypool/video
sleep 10
# push to remote (shug9)
/usr/sbin/syncoid --quiet -r --no-sync-snap --create-bookmark --use-hold --identifier=push --preserve-recordsize --preserve-properties root@pve-shug9:bathpool/bobbie stanleypool/bobbie
sleep 10
/usr/sbin/syncoid --quiet -r --no-sync-snap --create-bookmark --use-hold --identifier=push --preserve-recordsize --preserve-properties stanleypool/photos root@pve-shug9:bathpool/photos
sleep 10
/usr/sbin/syncoid --quiet -r --no-sync-snap --create-bookmark --use-hold --identifier=push --preserve-recordsize --preserve-properties stanleypool/archive root@pve-shug9:bathpool/archive
sleep 10
/usr/sbin/syncoid --quiet -r --no-sync-snap --create-bookmark --use-hold --identifier=push --preserve-recordsize --preserve-properties stanleypool/music root@pve-shug9:bathpool/music
sleep 10
# only run the prune after successful transfers
ssh root@pve-shug9 "/usr/sbin/sanoid --quiet --prune-snapshots"
sleep 5
/usr/sbin/sanoid --quiet --prune-snapshots
sleep 5
echo "Backup script completed successfully."
}
# Export the function so the timeout subshell can see it
export -f run_backups
# Run the function wrapped in the timeout utility
timeout "$GLOBAL_TIMEOUT" bash -c run_backups
EXIT_STATUS=$?
# --- EVALUATE EXIT STATE FOR LOGGING ---
if [ $EXIT_STATUS -eq 124 ]; then
echo "$(date '+[%Y-%m-%d %H:%M:%S]') ERROR: Script exceeded global timeout of $GLOBAL_TIMEOUT. Aborting."
elif [ $EXIT_STATUS -ne 0 ]; then
echo "$(date '+[%Y-%m-%d %H:%M:%S]') ERROR: Backup function failed with exit code $EXIT_STATUS."
else
echo "$(date '+[%Y-%m-%d %H:%M:%S]') Success: All replication steps completed."
fi
# --- UNCONDITIONAL 10-MINUTE DELAYED SHUTDOWN ---
# This runs normally for Success or Timeout states.
# (General script crashes bypass this and hit the 'trap' function at the top).
ssh root@pve-shug9 "/sbin/shutdown +10 'Nightly backup/replication sequence finished, shutting down in 10 minutes'"
/sbin/shutdown +10 "Nightly backup/replication sequence finished, shutting down in 10 minutes"
exit $EXIT_STATUS