complete clone/restore from a ZFS-based system replication stream

Mike Tancsa mike at
Tue Sep 27 15:53:35 UTC 2016

On 9/27/2016 4:53 AM, Victor Sudakov wrote:
> 1. When you boot from this pool later on a restored system, don't the
> "-o altroot=/mnt2 -O canmount=off" options prevent it from
> working normally? I gather that "altroot" is not persistent across
> reboots, but "canmount" probably is.

Its been a while, but when you do the zfs recv, I am guessing the
properties are restored with it ?

> 2. If you wanted to check "zfs recv" without actually restoring it,
> what what you do? I keep getting the "cannot receive incremental stream" error:

Not sure. When you did this, perhaps you are restoring from an
incremental send as opposed to a full send ?


zfs snapshot -r zroot at backup
zfs send -R zroot at backup > /nfs-mount-on-backup-server/zroot-full-snap.zfs


Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike at
Providing Internet services since 1994
Cambridge, Ontario Canada

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