Date: Sat, 06 Nov 2010 20:14:07 -0700 From: merlyn@stonehenge.com (Randal L. Schwartz) To: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: ZFS License and Future Message-ID: <86hbftg70g.fsf@red.stonehenge.com> In-Reply-To: <20101106203016.GB13095@guilt.hydra> (Chad Perrin's message of "Sat, 6 Nov 2010 14:30:16 -0600") References: <AANLkTi=dKatHYLFhC35VTT4fCAKgYLKEri2yVCPtSv7g@mail.gmail.com> <AANLkTinxLcrRoB6b2AcTrxHLqRCkyoWUhU=EmuvzEZQ8@mail.gmail.com> <20101106203016.GB13095@guilt.hydra>
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>>>>> "Chad" == Chad Perrin <perrin@apotheon.com> writes: Chad> I have not really spent any quality time with ZFS, so I'm a little Chad> sketchy on the details. Is there anything the checksumming capabilities Chad> of ZFS do that cannot be duplicated with an external tool -- perhaps Chad> something like a filesystem integrity auditing system? How would that external tool work to (a) detect the bad block during its access to prevent bad data from being returned to the user and (b) enable the swapping of bad data with a good spare copy if available? Nope... it's got to be in the kernel. -- Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095 <merlyn@stonehenge.com> <URL:http://www.stonehenge.com/merlyn/>; Smalltalk/Perl/Unix consulting, Technical writing, Comedy, etc. etc. See http://methodsandmessages.posterous.com/ for Smalltalk discussion
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