Date: Wed, 9 May 2012 09:30:37 -0400 From: Alejandro Imass <ait@p2ee.org> To: Erich Dollansky <erich@alogreentechnologies.com> Cc: freebsd-questions@freebsd.org, Robert Bonomi <bonomi@mail.r-bonomi.com> Subject: Re: UFS Crash and directories now missing Message-ID: <CAHieY7Rgh81kXts_n2uEMyr-in4hVw1LpvVABB70gap7PpLMsQ@mail.gmail.com> In-Reply-To: <201205091953.28091.erich@alogreentechnologies.com> References: <CAHieY7SWCE4KWFsDKy64tzQwhsnMTcuxLs07hoc9D2s4Y%2BmRFg@mail.gmail.com> <CAHieY7QeLP2QZXW7EGJ5Pb7MnES0cgzJrn%2BhB_6q0oyLy94HZw@mail.gmail.com> <CAHieY7TaW7pxrdd_bXgvcgYaQZN_Ju3rVpx5PRoTbxY3wWA1yQ@mail.gmail.com> <201205091953.28091.erich@alogreentechnologies.com>
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On Wed, May 9, 2012 at 8:53 AM, Erich Dollansky <erich@alogreentechnologies.com> wrote: > Hi, > > On Wednesday 09 May 2012 18:57:06 Alejandro Imass wrote: >> On Thu, May 3, 2012 at 1:14 PM, Alejandro Imass <ait@p2ee.org> wrote: >> > On Thu, May 3, 2012 at 9:35 AM, Robert Bonomi <bonomi@mail.r-bonomi.co= m> wrote: >> >> >> >> [...] >> >> >> One comment: for 'defensive' purposes it would be useful to break ad6= up >> >> into two slices, putting 'basejail' in it's own slice. =A0Then, for p= roduction >> >> use, that slice can be mounted RO, and with the 'system immutable' fl= ag >> >> set on everything in that filesystem. >> >> >> > >> > Yes. From one of your posts that became somewhat clear to me: Having >> > all the jails on a single 150GB slice seems like a bad idea. >> > >> >> For your recommendation above, what are the advantages or differences >> of slicing the disk versus partitioning on a single slice? >> > it could be a misunderstanding. What is a partition? What is a slice. I h= ave to look always into the handbook. Anyway, as long the OS see different = units which have to be mounted independent of each other, it all does not m= atter what is what. > I meant in Unix terms of course. Slice is slice (partition in other OS) and partition a thru h The question is if it has any advantage of using a slice to mount the basejail in RO as opposed to doing the same thing on a partition. Thanks, --=20 Alejandro Imass
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