Date: Wed, 22 Oct 2003 10:06:19 -0700 From: rtjohan@syspres.com To: Greg 'groggy' Lehey <grog@FreeBSD.org> Cc: FreeBSD Questions <questions@FreeBSD.org> Subject: Re: Vinum Offset for Swap: 265 or 281? Message-ID: <3F96B90B.4040302@syspres.com> In-Reply-To: <20031022081513.GM33152@wantadilla.lemis.com> References: <3F92406E.9020205@syspres.com> <20031021023944.GF42029@wantadilla.lemis.com> <3F95DA55.7030403@syspres.com> <20031022054946.GJ33152@wantadilla.lemis.com> <3F963743.7030502@syspres.com> <20031022081513.GM33152@wantadilla.lemis.com>
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>>For instance you have partition "e" with size=3142987 and offset >>5242880, but the var volume uses sd len 3142987s driveoffset 524864s >>drive rootdev. Why is it necessary for each subdisk to be 16 lower >>then the partition it will be mapping? >> >> >Take /var for example. It's on partition e, which starts at offset >5242880 from the beginning of the disk. The subdisk starts at offset >5242864 from the beginning of the drive. The drive starts at offset >16 from the beginning of the disk, so the subdisk starts at 5242880 >from the beginning of the disk. > > Thanks for clarifying the difference between disk vs drive. That's the part I didn't understand well enough. I used those 16 subdisk offsets in my vinum config file, just didn't understand why they were there for all the subdisks. Now I do. Thanks, Richard
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