Date: Tue, 16 Dec 2008 21:49:44 +0100 From: Bernard Dugas <bernard@dugas-family.org> To: "Paul B. Mahol" <onemda@gmail.com> Cc: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>, freebsd-questions@freebsd.org Subject: Re: Optimising pxeboot disk size Message-ID: <49481468.7070601@dugas-family.org> In-Reply-To: <3a142e750812160715p751483edh610a4adb055d31a2@mail.gmail.com> References: <20081216094719.EDCEE1065675@hub.freebsd.org> <49478749.2030200@dugas-family.org> <20081216123057.M61117@wojtek.tensor.gdynia.pl> <4947B50B.7010802@dugas-family.org> <20081216160327.N61449@wojtek.tensor.gdynia.pl> <3a142e750812160715p751483edh610a4adb055d31a2@mail.gmail.com>
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Paul B. Mahol wrote: > On 12/16/08, Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> wrote: >>>When you want to change something, you add a rw TransparentLayer : >>>mount -tl yournfsserver:/StationYchanges/etc /etc >>> >>>So that changed or added files are only stored in this rw partition, thus >>>very small and easy to manage. >>> >>>This would be a kind of partition inheritance, like in object languages... >>> >>>Dreams are allowed :-) >> >>try mount_unionfs > > and mount_nullfs Thanks Paul, FreeBSD has always hidden treasures :-) MOUNT_NULLFS(8) doc is very detailled, but i can't find how to use it for my problem : being able to go from common shared configuration to specific private configuration. unionfs looks very close to my dream, but it is currently not available for production :-( Best regards, -- Bernard DUGAS Mobile +33 615 333 770
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