Date: Mon, 22 Jul 2002 10:56:56 -0700 From: "Balaji, Pavan" <pavan.balaji@intel.com> To: "'Brian T. Schellenberger'" <bts@babbleon.org>, Jens Rehsack <rehsack@liwing.de>, Philip Hallstrom <philip@adhesivemedia.com> Cc: freebsd-questions@FreeBSD.ORG Subject: RE: If a disk is mounted read only is it possible to corrupt it? Message-ID: <3D386AED1B47D411A94300508B11F18703BC5C11@fmsmsx116.fm.intel.com>
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Corruption need not necessarily be s/w based. If your reader/writer is
screwed up, it might still corrupt it. Guess, I'm too paranoid ;-)
Pavan Balaji,
Intel Corporation
"Only the Paranoid Survive" -- Andy Grove
> -----Original Message-----
> From: Brian T. Schellenberger [mailto:bts@babbleon.org]
> Sent: Monday, July 22, 2002 8:17 AM
> To: Jens Rehsack; Philip Hallstrom
> Cc: freebsd-questions@FreeBSD.ORG
> Subject: Re: If a disk is mounted read only is it possible to corrupt
> it?
>
>
> On Monday 22 July 2002 06:23 am, Jens Rehsack wrote:
> | Philip Hallstrom wrote:
> | > Hi all -
> | > This seems like an obvious answer, but I didn't
> see anything in
> | > the man pages or the FQ so...
> | >
> | > If I mount *all* of my partitions as read only (ignoring
> the problems of
> | > needing to write log files, etc. for now) and then cut
> the power to the
> | > server, is there any chance of corrupting the disk? It seems that
> | > FreeBSD wouldn't do it, but would the disk itself do it?
> |
> | That depends on the disk you're using. If you have problem with your
> | power supply, you should better think 'bout an uninterruptable power
> | supply.
>
> Unless there is a power surge or physical trauma, a disk most
> certainly should
> not be capable of "self-corrupting" unless a write has been
> issued, and if
> they are mounted r/o then FreeBSD will never issue a write.
>
>
>
> --
> Brian, the man from Babble-On . . . . bts@babbleon.org (personal)
> http://www.babbleon.org
>
> http://www.eff.org
> http://www.programming-freedom.org
>
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