
On 12/30/2014 04:53 PM, Peter King wrote:
Moral of the Story (one moral among many): Keep static time-stamped backups as well as current redundant copies. Will implement a scheme to do so this week, a better New Year's resolution than most!
This is way more common than people expect. The ZFS folks found out that they needed to checksum disk files, somewhat to their surprise. ICL used to do it on a sector-by-sector basis as part of the sector footer, and would noisily recover when they detected problems. Sun 3.5 did too, but you had to do the recovery by booting (!) /stand/diag --dave -- David Collier-Brown, | Always do right. This will gratify System Programmer and Author | some people and astonish the rest davecb@spamcop.net | -- Mark Twain