Re: off-box mirror-stream and friends

[Bill Hacker <wbh@xxxxxxxxxxxxx>]

Matthew Dillon wrote:
> :Looking at function getyn() posted by Bill Hacker I
> :eventually understand what's wrong. Code - the universal language...
> :
> :So, really, the best thing that we can do is to introduce a
> :--force-slave-pfs-creation switch and replace the getyn() call in
> :cmd_mirror.c by a simple if (ForceSlavePfsCreation...). I like this
> :more than the original approach (using ttys), as it is usable from
> :within scripts.
> :
> :While we are working on this, we could replace all
> :interactivity in hammer utilities with optional command line switches.
> :So the strategy could be: first look if there is a switch specified, if
> :not, fall back to /dev/tty, if this fails, assume NO.
> :
> :I do not like a command line switch "-f", which means anything
> :(including force). It's too easy to mix it up with "-f" meaning
> :"--file". Think about doing some admin work late after midnight, and
> :your fingers go again faster than your brain; while a "rm -rf" on a
> :Hammer FS would give you a second chance, a mixed up "hammer
> :mirror-copy -f" would probably not :). I really would like to see a
> :--force here (or a more specific one).
> :
> :Regards,
> :
> :  Michael
>
>     Don't make it too long an option name.  How about '-y', meaning
>     'say yes to any interactive questions'.  Or something like that.
>
> 					-Matt
> 					Matthew Dillon 
> 					<dillon@backplane.com>

'-y' should be painless - as used in fsck and similar fs-related friends.

Bill