Date: Wed, 27 Feb 2008 13:55:47 +0000 From: RW <fbsd06@mlists.homeunix.com> To: freebsd-questions@freebsd.org Subject: Re: usb external hd question Message-ID: <20080227135547.76132b2f@gumby.homeunix.com.> In-Reply-To: <47C46146.2080307@gmail.com> References: <47C46146.2080307@gmail.com>
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On Tue, 26 Feb 2008 19:58:14 +0100 Miguel Giral <mlgiral@gmail.com> wrote: > also, a side question. When attaching a geli provider, i get this: > > GEOM_ELI: Device ad4s3.eli created. > GEOM_ELI: Encryption: Blowfish-CBC 256 > GEOM_ELI: Crypto: software > WARNING: Expected rawoffset 14548865, found 14548865 > > i've been getting it since i edited the label of ad4s3.eli > I don't really know if it's a bad thing to get that warning, since > both numbers are the same. If you look at the source code (in /usr/src/sys/geom/geom_bsd.c), it's dividing the offsets by a sector-size when it prints them out. So they only the same when rounded-down to a sector boundary. I guess you are using a larger sector-size for geli, and specified a fraction of a sector somewhere in the disklabel. BTW it doesn't make much difference, but I don't see any point in using anything other than 448 bits for blowfish under geli. Unlike the other ciphers, no part of its performance is affected by keysize.
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