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I have a primary NAS (a DS916+) backing up to a secondary device offsite (a DS220j); both running latest DSM 7. They are connected "directly" to each other via Tailscale with a scheduled backup from the primary to the offsite. (aside: they're both behind SOHO routers/gateways, with the usual home ISP NAT and no port forwarding; Tailscale is able to establish direct connections through the dual-NAT, not using a relay, which is great - it's as fast as the pipes permit. Highly recommend Tailscale over QuickConnect, OpenVPN or whatever tunnel solution you might be using. And it's free for this type of use case, with excellent documentation and good community support!)
The above is working great so far.
Now I'd like to leave the offsite device powered off most of the time, and have it power on to a schedule, initiate a backup, and then power off when the backup is complete. This means I need to be able to have the offsite NAS initiate a backup on the primary, rather than use a schedule defined on the primary. (of course, I could just arrange the offsite's power schedule with the primary's backup schedule, but where's the fun in that?
)
BTW, the reason for the "powered off most of the time" is for noise, not so much the modest energy savings: the offsite NAS is in an environment where I'd prefer to not have it running when it's not needed. The DS220j is pretty quiet but still not totally silent, esp. the drives can be quite loud.
Is it possible to initiate a HB backup remotely, other than clicking the "Backup Now" button on the web UI?
The above is working great so far.
Now I'd like to leave the offsite device powered off most of the time, and have it power on to a schedule, initiate a backup, and then power off when the backup is complete. This means I need to be able to have the offsite NAS initiate a backup on the primary, rather than use a schedule defined on the primary. (of course, I could just arrange the offsite's power schedule with the primary's backup schedule, but where's the fun in that?

BTW, the reason for the "powered off most of the time" is for noise, not so much the modest energy savings: the offsite NAS is in an environment where I'd prefer to not have it running when it's not needed. The DS220j is pretty quiet but still not totally silent, esp. the drives can be quite loud.
Is it possible to initiate a HB backup remotely, other than clicking the "Backup Now" button on the web UI?