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9 Commits

Author SHA1 Message Date
Milan Meduna 04755ebc5c add lzop compression 2021-05-11 15:45:48 +02:00
root 5fb174bcc6 preserve_recordsize 2021-01-08 18:01:33 +01:00
Milan Meduna 9cc1e599cf Aktualizovat „zfs-backup-mm“ 2020-11-05 09:28:09 +01:00
Milan Meduna 305b08b544 add way to change lock file for flock using second parameter 2020-09-17 10:49:26 +02:00
Milan Meduna cb7d9a4525 delete regex from delete block to filter only zfsnap created snapshots 2019-09-21 22:11:35 +02:00
Milan Meduna ba2475aed2 switch to full incremental
change -i parameter to -I when doing incremental backup
2019-09-20 13:21:37 +02:00
Milan Meduna 1fbc754a9d remove_compression 2019-06-19 20:23:36 +02:00
Milan Meduna 075263fecc correction 2019-06-07 21:19:11 +02:00
milan dec3557b45 manjaro_initial 2019-06-07 21:17:33 +02:00
2 changed files with 29 additions and 8 deletions

View File

@ -8,7 +8,7 @@ Edit example config file, run script and config as parameter.
__Requirements:__
zfSnap, pv, Ubuntu (tested on Ubuntu 18.04)
zfsnap, pv, lzop, Manjaro (tested on 6.6.2019)
__THE PROGRAM IS DISTRIBUTED IN THE HOPE THAT IT WILL BE USEFUL, BUT WITHOUT ANY WARRANTY. IT IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.__

View File

@ -1,6 +1,20 @@
#!/bin/bash
if [[ ! -f "$1" ]]
then
echo "Config file not exists!"
exit 1
fi
if [ -z "$2" ]
then
lock_variable="/var/lock/zfs-backup-mm"
else
lock_variable="$2"
fi
(
flock -n 200 || { echo 'locked via flock on file /var/lock/zfs-backup-mm' ; exit 1; }
flock -n 200 || { echo "locked via flock on file $lock_variable" ; exit 1; }
zfsnap_block () {
@ -9,12 +23,17 @@ IFS='
if [ $zfsnap_enable = "y" ]; then
for dataset in $source_datasets;
do
echo "Tuning zfSnap for "$dataset""
for command in $(zfSnap -n -d -zpool28fix -a "$zfsnap_days_keep_snaps"d "$dataset" | grep "$dataset")
echo "Tuning zfsnap for "$dataset""
for command in $(zfsnap snapshot -n -a "$zfsnap_days_keep_snaps"d "$dataset" | grep "$dataset")
do
echo "Doing "$command""
eval "$command";
done
for command in $(zfsnap destroy -n -F "$zfsnap_days_keep_snaps"d "$dataset" | grep "$dataset")
do
echo "Doing "$command""
eval "$command";
done
done
backup_block
else
@ -38,14 +57,15 @@ backup_snap=$(echo "$backups_server_zfs_snapshots" | grep "$backup_server_datase
backup_snaps=$(echo "$backups_server_zfs_snapshots" | grep "$backup_server_dataset"/"$dataset_clean"@ | grep -E "....-..-.._........--"$zfsnap_days_keep_snaps"d" | cut -d"@" -f2 | cut -d" " -f1)
source_backups_server_match=$(grep -Fxf <(echo "$source_snaps") <(echo "$backup_snaps"))
source_backups_server_match_tailed=$(echo "$source_backups_server_match" | tail -n1)
dataset_recordsize=$(zfs get recordsize -H -o value "$dataset")
if [ -z "$backup_snap" ]
then
echo "Snapshot on backup server not found, sending "$dataset"@"$source_snap" to server "$backup_server" "$backup_server_dataset"/"$dataset_clean""
zfs send -c "$dataset"@"$source_snap" | pv -L "$shape_megabytes"m | ssh -$backup_server_ipv "$backup_server" -p "$backup_server_port" zfs recv "$backup_server_dataset"/"$dataset_clean" && echo "Send OK"
zfs send "$dataset"@"$source_snap" | lzop | pv -L "$shape_megabytes"m | ssh -$backup_server_ipv "$backup_server" -p "$backup_server_port" "lzop -d | zfs recv -o recordsize="$dataset_recordsize" "$backup_server_dataset"/"$dataset_clean"" && echo "Send OK"
else
echo "Snapshot on backup server found, sending incremental from "$dataset"@"$source_backups_server_match_tailed" to "$dataset"@"$source_snap" to server "$backup_server" "$backup_server_dataset"/"$dataset_clean""
zfs send -ci "$dataset"@"$source_backups_server_match_tailed" "$dataset"@"$source_snap" | pv -L "$shape_megabytes"m | ssh -$backup_server_ipv "$backup_server" -p "$backup_server_port" zfs recv "$backup_server_dataset"/"$dataset_clean" -F && echo "Send OK"
zfs send -I "$dataset"@"$source_backups_server_match_tailed" "$dataset"@"$source_snap" | lzop | pv -L "$shape_megabytes"m | ssh -$backup_server_ipv "$backup_server" -p "$backup_server_port" "lzop -d | zfs recv -o recordsize="$dataset_recordsize" "$backup_server_dataset"/"$dataset_clean" -F" && echo "Send OK"
fi
done
del_snaps_block
@ -57,7 +77,7 @@ for dataset in $source_datasets;
do
dataset_clean=$(echo $dataset | grep -o '[^/]*$')
snaps_to_delete=$(echo "$backups_server_zfs_snapshots" | grep "$backup_server_dataset"/"$dataset_clean"@ | grep -E "....-..-.._........--"$zfsnap_days_keep_snaps"d" | head -n -"$backup_server_number_keep_snaps" | cut -d" " -f1)
snaps_to_delete=$(echo "$backups_server_zfs_snapshots" | grep "$backup_server_dataset"/"$dataset_clean"@ | head -n -"$backup_server_number_keep_snaps" | cut -d" " -f1)
for snap in $snaps_to_delete
do
@ -78,4 +98,5 @@ if [[ $# -eq 0 ]] ; then
fi
source $1
zfsnap_block
) 200>/var/lock/zfs-backup-mm
) 200>$lock_variable