exa/zfs-backup
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This commit is contained in:
Mirek Kratochvil 2017-01-18 11:45:04 +01:00
parent 4e2e2f253a
commit e589e8f52c
1 changed files with 10 additions and 5 deletions
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15
zb-pull
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@ -4,7 +4,8 @@ source /etc/profile >/dev/null
[ -f "$HOME/.zb-rc" ] && source "$HOME/.zb-rc"
if [[ -z "$1" || -z "$2" || -z "$3" ]] ; then
echo "usage: $0 <ssh_remote> <remote_zfs_object> <local_zfs_object>" >&2
echo "usage: $0 <remote> <remote_zfs_object> <local_zfs_object>" >&2
echo "<remote> is either ssh-style user@hostname, or - for local operation" >&2
exit 1
fi
@ -16,7 +17,11 @@ timestamp () {
}
ssh_remote="$1"
if [ "$1" = "-" ]
then remote_cmd="sh -c"
else remote_cmd="ssh $1"
fi
remote_zfs="$2"
local_zfs="$3"
@ -34,7 +39,7 @@ while read l ; do
newest_common="$snapname"
fi >/dev/null 2>/dev/null
done < <(
ssh $ssh_remote "zfs list -t snapshot -r -d 1 -H \"${remote_zfs}\" " | awk '{print $1;}' | while read l ; do
$remote_cmd "zfs list -t snapshot -r -d 1 -H \"${remote_zfs}\" " | awk '{print $1;}' | while read l ; do
#link unix timestamps
unixtime=`timestamp "$l"` || continue
echo "$unixtime" "$l"
@ -56,11 +61,11 @@ ret=0
if [ "$newest_common" = "N/A" ] ; then
#do a full send
ssh $ssh_remote "zfs send -R \"${remote_zfs}@zb-${newest}\"" | zfs recv -F "${local_zfs}"
$remote_cmd "zfs send -R \"${remote_zfs}@zb-${newest}\"" | zfs recv -F "${local_zfs}"
ret=$?
else
#do incremental send
ssh $ssh_remote "zfs send -R -I \"${remote_zfs}@zb-${newest_common}\" \"${remote_zfs}@zb-${newest}\"" | zfs recv -F "${local_zfs}"
$remote_cmd "zfs send -R -I \"${remote_zfs}@zb-${newest_common}\" \"${remote_zfs}@zb-${newest}\"" | zfs recv -F "${local_zfs}"
ret=$?
fi