Date: Tue, 9 Oct 2001 14:44:54 -0500 From: Olof Johansson <offe@localnet.sh> To: tlambert2@mindspring.com Cc: freebsd-fs@freebsd.org Subject: Re: NFS sharing an NFS Mount Message-ID: <200110091944.f99JisY18618@localnet.sh> In-Reply-To: <3BC3511C.736F595A@mindspring.com> References: <20011008231240.99429505@stiggy.masaclaw.co.nz> <3BC3511C.736F595A@mindspring.com>
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In muc.lists.freebsd.fs, you wrote: >Tom Peck wrote: >> Is it possible to nfs share a mount that has been mounted using nfs? > >Not without violating safety guarantees in the protocol as >regars not returning writes until they have been committed >to stable storage. Not entirely true. NFS version 3 has the option of unstable writes, which are usually used by the ONC+-derived clients (Solaris, AIX, ...). On the other hand, then the commit calls must not return until the data is on stable storage. Also, one could technically write a NFS gateway that simply relays the RPC calls and makes sure they are not returned to the "real" client until a reply has been received from the server. However, I am not aware of any such gateway in existance. Regards, Olof To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message
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