Subject: Re: /rescue, crunchgen'ed?
To: tld <tld@tld.digitalcurse.com>
From: Johnny Billquist <bqt@update.uu.se>
List: current-users
Date: 08/30/2002 13:52:58
On Fri, 30 Aug 2002, tld wrote:

> Something I wondered and now I'm going to ask:
> 
> If, as it seems, for some perople the fact that a crunchgen'd binary is 
> less safe because it can be damaged by bad sectors, and you really don't 
> know if it has until it is time to use that.
> 
> What I suggest is a script executed (say) weekly like `cat 
> /rescue/the_big_file >/dev/null 2> /dev/null || echo "It has bad sectors!"`
> 
> What do you think?

That will only catch physically broken sectors on devices which don't
automatically remap broken sectors without notice.
A big danger is accidental overwriting.

	Johnny

Johnny Billquist                  || "I'm on a bus
                                  ||  on a psychedelic trip
email: bqt@update.uu.se           ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol