On 20.10.2012 22:24, Tim Cook wrote:
> 
> 
> On Sat, Oct 20, 2012 at 2:54 AM, Arne Jansen <sensi...@gmx.net
> <mailto:sensi...@gmx.net>> wrote:
> 
>     On 10/20/2012 01:10 AM, Tim Cook wrote:
>     >
>     >
>     > On Fri, Oct 19, 2012 at 3:46 PM, Arne Jansen <sensi...@gmx.net
>     <mailto:sensi...@gmx.net>
>     > <mailto:sensi...@gmx.net <mailto:sensi...@gmx.net>>> wrote:
>     >
>     >     On 10/19/2012 09:58 PM, Matthew Ahrens wrote:
>     >     > On Wed, Oct 17, 2012 at 5:29 AM, Arne Jansen <sensi...@gmx.net
>     <mailto:sensi...@gmx.net>
>     >     <mailto:sensi...@gmx.net <mailto:sensi...@gmx.net>>
>     >     > <mailto:sensi...@gmx.net <mailto:sensi...@gmx.net>
>     <mailto:sensi...@gmx.net <mailto:sensi...@gmx.net>>>> wrote:
>     >     >
>     >     >     We have finished a beta version of the feature. A webrev for 
> it
>     >     >     can be found here:
>     >     >
>     >     >     http://cr.illumos.org/~webrev/sensille/fits-send/
>     >     >
>     >     >     It adds a command 'zfs fits-send'. The resulting streams can
>     >     >     currently only be received on btrfs, but more receivers will
>     >     >     follow.
>     >     >     It would be great if anyone interested could give it some 
> testing
>     >     >     and/or review. If there are no objections, I'll send a formal
>     >     >     webrev soon.
>     >     >
>     >     >
>     >     >
>     >     > Please don't bother changing libzfs (and proliferating the 
> copypasta
>     >     > there) -- do it like lzc_send().
>     >     >
>     >
>     >     ok. It would be easier though if zfs_send would also already use the
>     >     new style. Is it in the pipeline already?
>     >
>     >     > Likewise, zfs_ioc_fits_send should use the new-style API.  See the
>     >     > comment at the beginning of zfs_ioctl.c.
>     >     >
>     >     > I'm not a fan of the name "FITS" but I suppose somebody else 
> already
>     >     > named the format.  If we are going to follow someone else's format
>     >     > though, it at least needs to be well-documented.  Where can we
>     >     find the
>     >     > documentation?
>     >     >
>     >     > FYI, #1 google hit for "FITS":  http://en.wikipedia.org/wiki/FITS
>     >     > #3 hit:  http://code.google.com/p/fits/
>     >     >
>     >     > Both have to do with file formats.  The entire first page of 
> google
>     >     > results for "FITS format" and "FITS file format" are related to 
> these
>     >     > two formats.  "FITS btrfs" didn't return anything specific to the 
> file
>     >     > format, either.
>     >
>     >     It's not too late to change it, but I have a hard time coming up 
> with
>     >     some better name. Also, the format is still very new and I'm sure 
> it'll
>     >     need some adjustments.
>     >
>     >     -arne
>     >
>     >     >
>     >     > --matt
>     >
>     >
>     >
>     > I'm sure we can come up with something.  Are you planning on this being
>     > solely for ZFS, or a larger architecture for replication both directions
>     > in the future?
> 
>     We have senders for zfs and btrfs. The planned receiver will be mostly
>     filesystem agnostic and can work on a much broader range. It basically
>     only needs to know how to create snapshots and where to store a few
>     meta informations.
>     It would be great if more filesystems would join on the sending side,
>     but I have no involvement there.
> 
>     I see no basic problem in choosing a name that's already in use.
>     Especially with file extensions most will be already taken. How about
>     something with 'portable' and 'backup', like pib or pibs? 'i' for
>     incremental.
> 
>     -Arne
> 
> 
> Re-using names generally isn't a big deal, but in this case the existing name 
> is
> a technology that's extremely similar to what you're doing - which WILL cause 
> a
> ton of confusion in the userbase, and make troubleshooting far more difficult
> when searching google/etc looking for links to documents that are applicable. 
>  
> 
> Maybe something like far - filesystem agnostic replication?   

I like that one. It has a nice connotation to 'remote'. So 'far' it be.
Thanks!

-Arne

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