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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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