Re: zfs replication tool

On 9/23/22 02:51, parv/FreeBSD wrote:
> On Thu, Sep 22, 2022 at 10:58 PM David Christensen  wrote:
> ...
> 
>> I wrote homebrew scripts to automate ZFS replication and I saw that
>> error message many times in the past.  The solution was to add the '-F'
>> option to the 'zfs receive' commands.  Is there a way to do this with
>> zrepl?
>>
> 
> That "-F" option, for "zfs-recv(8)", will remove existing file system
> (on the receiver side). For the option to work, existing snapshots would
> need to be destroyed first.
> 
> That is useful if one wants to re-set up backup file system & snapshots.
> Else, what is even the point of incremental snapshot back ups.


Agreed.  And, this can be a time-consuming operation if the dataset(s) 
are large.


When 'zfs receive -F' cannot resolve the situation, the only solution I 
could think of was to destroy the destination dataset(s) and start over 
with a full replication (e.g. '-R').


David