Date: Sat, 28 May 2011 11:10:21 -0700 From: Julian Elischer <julian@freebsd.org> To: utisoft@gmail.com Cc: rank1seeker@gmail.com, hackers@freebsd.org Subject: Re: Active slice, only for a next boot Message-ID: <4DE13A8D.8030101@freebsd.org> In-Reply-To: <BANLkTinnZyGoi9RCZRX0JQNvBhHnQwEOSg@mail.gmail.com> References: <20110527.124553.718.1@DEV> <20110527134754.GA94769@freebsd.org> <20110527.164723.750.2@DEV> <496B0C04-7777-458D-A116-27944A4006BB@bsdimp.com> <4DE0BA7C.8080707@freebsd.org> <BANLkTinnZyGoi9RCZRX0JQNvBhHnQwEOSg@mail.gmail.com>
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On 5/28/11 4:06 AM, Chris Rees wrote: > > > On 28 May 2011 10:04, "Julian Elischer" <julian@freebsd.org > <mailto:julian@freebsd.org>> wrote: > > > > On 5/27/11 11:34 AM, Warner Losh wrote: > >> > >> On May 27, 2011, at 10:47 AM, rank1seeker@gmail.com > <mailto:rank1seeker@gmail.com> wrote: > >> > >>> ----- Original Message ----- > >>> From: Alexander Best<arundel@freebsd.org > <mailto:arundel@freebsd.org>> > >>> To: rank1seeker@gmail.com <mailto:rank1seeker@gmail.com> > >>> Cc: hackers@freebsd.org <mailto:hackers@freebsd.org> > >>> Date: Fri, 27 May 2011 13:47:54 +0000 > >>> Subject: Re: Active slice, only for a next boot > >>> > >>>> On Fri May 27 11, rank1seeker@gmail.com > <mailto:rank1seeker@gmail.com> wrote: > >>>>> > >>>>> Idea is ... > >>>>> I have i.e; 3 slices, of which first is active. > >>>>> Now I wana set slice 2 active, but only for a one/next boot. > >>>>> Once slice 2 is booted and system is shutdown or rebooted, > once again, > >>> > >>> first slice is active and booted, without user's intervention. > >>>>> > >>>>> Is this possible or should be implemented? > > > > > > nextboot(8) USED to do this before it was broken by someone to > "look into the filesystem" > > for it's next boot hint which is obviously broken if you are > trying to get to another filesystem > > because the main one is broken. > > > > Doesn't sound that useful to me- I think of the main use for > nextboot being to try new kernels on a one-time basis. If you're > rescuing a broken filesystem surely it's better to just set another > slice active? > try using it on an appliance it has to recover on its own from a complete filesystem screwup. > Chris >
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