Backup/Replication Question

[Dylan]

I've a 4 bay NAS and am considering buying a second (almost the same) to serve as a backup device. Both would be wired on home LAN and running HexOS. The backup device would have greater storage capacity and slightly more RAM/CPU capability.

What is the most efficient/automated way of copying writes to primary over to backup? My instinct would be to use schedule a cron job via rsync at certain intervals. However, I've also never used TrueNAS, prior to HexOS, and my ZFS administration was on production servers where backups were handled by a different group.

So, what it be like?

[Mobius]

Well once buddy backup arrives that will likely be your best bet.

until it arrives your best bet is checking out this page to see what makes most sense for you
https://www.truenas.com/docs/scale/gettingstarted/configure/setupbackupscale/

[PsychoWards]

In Truenas under Data Protection there is an area for replication tasks, which is the preferred way to backup from zfs to zfs.

[Dylan]

44 minutes ago, PsychoWards said:

In Truenas under Data Protection there is an area for replication tasks, which is the preferred way to backup from zfs to zfs.

It looks like REPLICATION will likely be my preferred method as I DO wish to automate this.

@Mobius Buddy backup is a GREAT approach for offisite backups and one I will use and ask others the same, I just want to automate my writes from primary to secondary in keeping with the 3-2-1 rule - the "1" being when buddy backups are implemented. I'm still at "2" 😆

[Mobius]

ah i figured that buddy backup would work on same site too.