On Wed, Feb 20, 2013 at 4:49 PM, Markus Grundmann <mar...@freebsduser.eu>wrote:
> Hi! > > My name is Markus and I living in germany. I'm new to this list and I have > a simple question > related to zfs. My favorite operating system is FreeBSD and I'm very happy > to use zfs on them. > > It's possible to enhance the properties in the current source tree with an > entry like "protected"? > I find it seems not to be difficult but I'm not an professional C > programmer. For more information > please take a little bit of time and read my short post at > > http://forums.freebsd.org/**showthread.php?t=37895<http://forums.freebsd.org/showthread.php?t=37895> > > I have reviewed some pieces of the source code in FreeBSD 9.1 to find out > how difficult it was to > add an pool / filesystem property as an additional security layer for > administrators. > > Whenever I modify zfs pools or filesystems it's possible to destroy [on a > bad day :-)] my data. A new > property "protected=on|off" in the pool and/or filesystem can help the > administrator for datalost > (e.g. "zpool destroy tank" or "zfs destroy <tank/filesystem>" command will > be rejected > when "protected=on" property is set). > > It's anywhere here on this list their can discuss/forward this feature > request? I hope you have > understand my post ;-) > > Thanks and best regards, > Markus > > > I think you're underestimating your English, it's quite good :) In any case, I think the proposal is a good one. With the default behavior being off, it won't break anything for existing datasets, and it can absolutely help prevent a fat finger or a lack of caffeine ruining someone's day. If the feature is already there somewhere, I'm sure someone will chime in. --Tim
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