Date: Sun, 16 May 1999 14:41:42 -0700 (PDT) From: Matthew Jacob <mjacob@feral.com> To: Mike Smith <mike@smith.net.au> Cc: alpha@freebsd.org Subject: Re: I dunno... is this a bug? Message-ID: <Pine.BSF.4.05.9905161433270.54372-100000@semuta.feral.com> In-Reply-To: <199905162116.OAA08191@dingo.cdrom.com>
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> > && i386 FreeBSD (for 'dangerously dedicated' disks) are no longer > > compatible. > > > > Is this a bug or a feature? > > The Alpha may never have supported "dangerously dedicated" disks. You > may mean "truly dedicated" disks. I don't know that they were ever > compatible; the label seems to be at different locations on each > platform. I guess- I really haven't looked at the details. All I know was that at some point last week I was testing the following configuration (where e && d had the disk split exactly in half): Alpha PC 164 Fibre Channel -> da2e da2d <- Fibre Channel 2xPPro i86 This was what I would call and acceptable shared bus... Some time in the last week a change has happened that made both sides now not recognize each other's disklabel. Too bad, if so. I suppose I could try an fdisk type label and see what happens.. I guess my metapoint or metaquestion here is: a Disk Label is a Disk Label. If there is some canonical form on disk that makes a disk usable, modulo stupid endian foo in non 8 bit data in the label, then the labels should be usable across all architectures, and hence provide shared raw volumes at least (. or ? as to whether it's a metapoint/meta-assertion or a metaquestion) (this, btw, is becoming a pretty common configuration with FC loops) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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