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Date: Thu, 23 Apr 2009 17:18:55 -0500 (CDT)
From: Wes Morgan <morganw@chemikals.org>
To: Ivan Voras <ivoras@freebsd.org>
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Cc: freebsd-fs@freebsd.org
Subject: Re: UFS2 metadata checksums
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On Thu, 23 Apr 2009, Ivan Voras wrote:

> Scott Burns wrote:
>
>> 2) Is there a demand for this in FreeBSD?
>
> Speaking for myself, I'd like it on the systems I maintain. (I'd also
> like a sysctl to ignore the errors, just in case :) ).

That's actually something ZFS could use if you ask me. In one instance I 
had some bad ram that was causing checksum errors (zfs is better than 
memtest for finding bad ram!), and I had to comment out the ECHKSUM error 
from the kernel to recover the pieces of the file that were reported 
corrupt.