[Discuss] SSD lifespan & monitoring

[cra at WPI.EDU (Chuck Anderson)]

On Tue, May 26, 2015 at 12:12:55PM -0700, Rich Braun wrote:
> Rich P wrote:
> > Also, I suggest changing that pledge to doing regular backups.
> 
> Ever since a 1998 burglary, dual-redundant fully-automated offline, local, and
> cloud backups, with continuous saves of every modified file, have been part of
> my repertoire. I do it three different ways with three different types of
> software, including my home-brew rsnapshot-based setup--with encryption
> throughout to keep prying eyes out.  Odds I'll lose /data/ are dramatically
> lower than that of a typical small/medium business facing a loss event.
> 
> However, odds that I'll lose massive amounts of /time/ recovering from a lost
> root volume are 100% every time it happens.
> 
> Know of any way to create a continuously- (or at least
> frequently-and-automatically) updated root volume backup?

lsyncd?  It should be fairly easy to make sure the copy is bootable
just like the original.