On 11/10/2018 16:50, Peter Eisentraut wrote:
> On 10/10/2018 21:50, Bruce Momjian wrote:
>>> I see. Peter is proposing to have a fourth mode, essentially
>>> --transfer-mode=clone-or-copy.
>>
>> Uh, if you use --link, and the two data directories are on different
>> file systems, it fails. No one has ever asked for link-or-copy, so why
>> are we considering clone-or-copy? Are we going to need
>> link-or-clone-or-copy too? I do realize that clone and copy have
>> non-destructive behavior on the old cluster once started, so it does
>> make some sense to merge them, unlike link.
>
> I'm OK to get rid of the clone-or-copy mode. I can see the confusion.
New patch that removes all the various reflink modes and adds a new
option --clone that works similar to --link. I think it's much cleaner now.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
