On Thursday, December 16, 2010 08:12:34 am Arnold Krille did opine: > On Thursday 16 December 2010 01:13:24 Dan Kegel wrote: > > On Wed, Dec 15, 2010 at 10:48 PM, gene heskett <[email protected]> wrote: > > > Now, if we can just get a law that when I have ... issued the delete > > > to the server, it truly was deleted > > > > For what it's worth, Google's caution in promising deletion > > is probably because it's not quite sure how to do that > > quickly. Users would be Very Very Angry if a disk outage > > or a fire in a datacenter resulted in the loss of their stored > > email, so Google probably has some sort of offsite backup > > arrangement, and that might complicate prompt deletion. > > ... yup, > > http://mail.google.com/support/bin/answer.py?hl=en&answer=7401 > > says > > "residual copies of deleted messages and accounts may take up > > to 60 days to be deleted from our active servers and may remain in our > > backup systems." > > > > So, if you were google, would you use tape backup? If so, > > how would you do that permanent deletion thing? If not, > > how would you make darn sure you didn't anger users by > > losing messages during a disaster? > > I don't think google uses magnet-tapes or similar for any backups except > the vital core data of its business. Given the number and size of their > data- centers around the world, they just sync the data to a different > part of the world an be done with it. Of course the deletion has to be > synced to all remote-copies and probably also forwarded to older > backups but once such a mechanism is implemented it should do the > actual delete within a day... > > There are even universities that decided against a new tape-library and > in favor of a big stack of disks for long-term backup because these > where cheaper, similar reliable and much faster for restore. And they > don't need a special tape-library-managing app to access the data, a > file-browser or the command-line is enough... > > Have fun, > > Arnold
I run amanda here every night, but no tape, big disks instead. Much more usable come recovery times. -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) The real reason psychology is hard is that psychologists are trying to do the impossible. _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/listinfo/linux-audio-dev
