Otho/zfs-backup
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Added remote zfs option.

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Otho 2023-01-16 19:19:06 -05:00
parent f3b0b48a76
commit 1397c9c127
Signed by: Otho
GPG Key ID: 16C720CD3BBE21D9
1 changed files with 29 additions and 17 deletions
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44
backup.sh
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@ -9,9 +9,9 @@ nodes_file="nodes.txt"
datasets_file="datasets.txt"
### datasets.txt
# <dataset 1>
# <dataset 2>
# <dataset 3>
# <dataset 1> [remote dataset]
# <dataset 2> [remote dataset]
# <dataset 3> [remote dataset]
# ...
if [ ! -f $nodes_file ]; then echo "No nodes specified."; exit 2; fi
@ -40,12 +40,14 @@ while read dataset dataset_options; do
snapshot_dataset="yes"
send_dataset="yes"
case $dataset_options in
*"nosnap"* ) snapshot_dataset="";;
esac
case $dataset_options in
*"nosend"* ) send_dataset="";;
for option in $dataset_options; do
case $option in
*"nosnap"* ) snapshot_dataset="" ;;
*"nosend"* ) send_dataset="" ;;
*"remotezfs="*) remotezfs=`echo $option|cut -d'=' -f2` ;
dataset="$dataset:$remotezfs" ;;
esac
done
if [ $send_dataset ]; then
SEND_DATASETS="$SEND_DATASETS $dataset"
@ -58,6 +60,7 @@ done < datasets.txt
list_datasets()
{
for dataset in $SEND_DATASETS; do
dataset=`echo $dataset|cut -d':' -f1`
zfs list -H $dataset
done
}
@ -73,13 +76,15 @@ list_remote_datasets() {
fi
if [ $BG_TEST_MODE = "TRUE" ]; then
echo ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr\
"sh -c 'for dataset in $SEND_DATASETS;
do zfs list -H $zroot\$dataset;
"sh -c 'for dataset in $SEND_DATASETS; do
dataset=`echo \\$dataset|cut -d':' -f2`
zfs list -H $zroot\$dataset;
done'"
else
ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
"sh -c 'for dataset in $SEND_DATASETS;
do zfs list -H $zroot\$dataset;
"sh -c 'for dataset in $SEND_DATASETS; do
dataset=`echo \\$dataset|cut -d':' -f2`
zfs list -H $zroot\$dataset;
done';"
fi
done < sendnodes.tmp
@ -106,6 +111,7 @@ get_latest_remote_snapshot()
zfs_allow_origin()
{
for dataset in $SEND_DATASETS; do
dataset=`echo $dataset|cut -d':' -f1`
if [ $BG_TEST_MODE = "TRUE" ]; then
echo zfs allow -u $LOCAL_USER $ORIGIN_PERMS $dataset
else
@ -127,11 +133,13 @@ zfs_allow_mirrors()
if [ $BG_TEST_MODE = "TRUE" ]; then
echo ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
"for dataset in $SEND_DATASETS; do
dataset=`echo \\$dataset|cut -d':' -f2`
zfs allow -u $user $MIRROR_PERMS $zroot\$dataset
done"
else
ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
"for dataset in $SEND_DATASETS; do
dataset=`echo \\$dataset|cut -d':' -f2`
zfs allow -u $user $MIRROR_PERMS $zroot\$dataset
done"
fi
@ -161,18 +169,20 @@ send_latest()
esac
fi
for dataset in $SEND_DATASETS; do
dataset=`echo $dataset|cut -d':' -f1`
remote_dataset=`echo $dataset|cut -d':' -f2`
origin_snapshot=`get_latest_snapshot $dataset`
if [ $BG_TEST_MODE = "TRUE" ]; then
echo zfs send $ZFS_SEND_OPTS $dataset@$origin_snapshot \| \
pv -qL $BANDWIDTH_LIMIT \| \
ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
zfs recv $ZFS_RECV_OPTS $zroot$dataset
zfs recv $ZFS_RECV_OPTS $zroot$remote_dataset
else
zfs send $ZFS_SEND_OPTS $dataset@$origin_snapshot |
pv -qL $BANDWIDTH_LIMIT |
ssh $SSH_SEND_OPTS -o port=$ssh_port \
$user@$addr \
zfs recv $ZFS_RECV_OPTS $zroot$dataset
zfs recv $ZFS_RECV_OPTS $zroot$remote_dataset
fi
done
done < sendnodes.tmp
@ -189,6 +199,8 @@ send_increment()
esac
fi
for dataset in $SEND_DATASETS; do
dataset=`echo $dataset|cut -d':' -f1`
remote_dataset=`echo $dataset|cut -d':' -f2`
origin_snapshot=`get_latest_snapshot`
remote_snapshot=`get_latest_remote_snapshot`
if [ $BG_TEST_MODE = "TRUE" ]; then
@ -197,14 +209,14 @@ send_increment()
$dataset@$origin_snapshot \| \
pv -qL $BANDWIDTH_LIMIT \| \
ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
zfs recv $ZFS_RECV_OPTS $zroot$dataset
zfs recv $ZFS_RECV_OPTS $zroot$remote_dataset
else
zfs send $ZFS_SEND_OPTS \
-i $dataset@$remote_snapshot \
$dataset@$origin_snapshot |
pv -qL $BANDWIDTH_LIMIT |
ssh $SSH_SEND_OPTS -o port=$ssh_port $user@$addr \
zfs recv $ZFS_RECV_OPTS $zroot$dataset
zfs recv $ZFS_RECV_OPTS $zroot$remote_dataset
fi
done
done < sendnodes.tmp