Date: Wed, 29 Jan 2003 15:57:46 -0800 (PST) From: Julian Elischer <julian@elischer.org> To: phk@freebsd.org Cc: "Matthew N. Dodd" <winter@jurai.net>, David Gilbert <dgilbert@velocet.ca>, freebsd-hackers@freebsd.org Subject: Re: Network block device. Message-ID: <Pine.BSF.4.21.0301291555570.25856-100000@InterJet.elischer.org> In-Reply-To: <16443.1043882006@critter.freebsd.dk>
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geom meets netgraph.. :-) You could possibly do something with the ng_device node that exports a device into teh dev namesapce from netgraph. (the version in the tree is curently broken, the author is rewrituing it..) Adding a geom top-end to it might give you something quite cute.. On Thu, 30 Jan 2003 phk@freebsd.org wrote: > In message <20030129180043.S8642@sasami.jurai.net>, "Matthew N. Dodd" writes: > >On Wed, 29 Jan 2003, David Gilbert wrote: > >> it doesn't work that way. the result of NBD is a /dev/nbd0 not a > >> filesystem. Block 0 of /dev/nbd0 is block 0 of /dev/hda1 (say). nbd > >> runs as a server on the node with the disk and as a client on the node > >> using the disk. Yes, you still stripe on the client side... but you > >> stripe across directly mapped block devices (no NFS involved). > > > >So involving NFS isn't really going to make that much of a difference. > > Yes, it sure would. > > NBD wouldn't be hard to implement on FreeBSD, the easiest way would > be to write two GEOM modules to do it: a client and a server. > > No, I don't have time to do that right now, but I will happily > guide anybody who wants to try. > > -- > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > phk@FreeBSD.ORG | TCP/IP since RFC 956 > FreeBSD committer | BSD since 4.3-tahoe > Never attribute to malice what can adequately be explained by incompetence. > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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