[Dx4win] The trouble with backups
Mike Mellinger WA0SXV
wa0sxv at mellinger.com
Mon Jan 7 17:00:16 EST 2008
Lots of good suggestions here.
Everyone is so quick to jump on the backup the data bandwagon that maybe a
few comments are in order.
1. The bug that brought these problems on was subtle. Until you went back
and looked at your old records you would not have known about it. Therefore
frequent backup is only one issue. You have to retain the backups
indefinitely since you never know how far back the bug goes. I'm lucky -- I
can literally go back years for critical files.
2. DX4WIN keeps no journal file. If the log file disappears, say from
operator error deleting it or something else, you will lose all data back to
your last backup -- unless you kept a paper log in between backups. A more
robust program would keep a journal file (maybe writing it somewhere else --
say a different disk or a network disk) that would have enough information
to update from a previous backup. To be honest, I don't expect this but it
would certainly provide a much higher degree of safety.
73,
Mike WA0SXV
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