Scott Rotondo wrote: > Tim Haley wrote: >> >> PROPOSED SOLUTION: >> >> This fast-track proposes two new command line flags each for >> the 'zpool clear' and 'zpool import' sub-commands. >> >> Both sub-commands will now accept a '-F' recovery mode flag. >> When specified, a determination is made if discarding the last >> few transactions performed in an unopenable or non-importable >> pool will return the pool to an usable state. If so, the >> transactions are irreversibly discarded, and the pool >> imported. If the pool is usable or already imported and this >> flag is specified, the flag is ignored and no transactions are >> discarded. >> >> Both sub-commands will now also accept a '-n' flag. This flag >> is only meaningful in conjunction with the '-F' flag. When >> specified, an attempt is made to see if discarding transactions >> will return the pool to a usable state, but no transactions are >> actually discarded. > > Here's a usability suggestion. Whenever clear or import fails, why not > automatically do the equivalent of <command> -F -n (i.e. tell the user > if recovery is possible)? If so, the user can invoke with -F if desired. > There would be no need to create a -n option. > That is exactly how it works in the prototype.
The -n is still useful for reconfirming. -tim > Scott > >
