Is it normal to be queried for password before every snapshot is taken?

[hp3-x]

I'm running the zfs-autobackup command from a root shell: But get bumped for passwd for every snapshot
zfs-autobackup -v --ssh-source lw lw5x
zfs-autobackup v3.3-rc.1 - (c)2022 E.H.Eefting ([email protected])

Current time               : 2024-12-25 15:41:50

Selecting dataset property : autobackup:lw5x
Snapshot format : lw5x-%Y%m%d%H%M%S
Timezone : Local
Hold name : zfs_autobackup:lw5x

Source settings

[Source] SSH to: lw
[Source] Keep the last 10 snapshots.
[Source] Keep every 1 day, delete after 1 week.
[Source] Keep every 1 week, delete after 1 month.
[Source] Keep every 1 month, delete after 1 year.

Selecting

root@lw's password:
[Source] p0: Selected
[Source] p0/Images-wrk: Selected
[Source] p0/git: Selected
[Source] p0/local: Selected
[Source] p0/pub: Selected
[Source] p0/srv: Selected

Snapshotting

root@lw's password:
root@lw's password:
root@lw's password:
root@lw's password:
root@lw's password:
root@lw's password:
[Source] Creating snapshots lw5x-20241225154201 in pool p0
root@lw's password:

Thinning source

All operations completed successfully

(No target_path specified, only operated as snapshot tool.)

[psy0rz]

Read the getting started manual about setting up ssh keys.