Current approaches to ACL handling
ronniesahlberg at gmail.com
Mon Oct 1 13:19:39 MDT 2012
On Mon, Oct 1, 2012 at 11:57 AM, Christopher R. Hertel <crh at ubiqx.mn.org> wrote:
> On 10/01/2012 01:52 PM, Jeremy Allison wrote:
>> On Mon, Oct 01, 2012 at 02:42:51PM -0400, simo wrote:
>>> On Mon, 2012-10-01 at 13:28 -0500, Christopher R. Hertel wrote:
>>>> What are the current best practices for ACL handling?
>>>> To my knowledge, it's using EAs to store the ACLs. Is there any
>>>> documentation on this implementation? Are there any other mechanisms in
>>> We store the Windows ACL in an EA and a matching posix ACL translation
>>> on the file, plus a sha hash of the ACL so we can be sure they are in
>>> I am not aware of any other doc beyond the code.
>> Well there are some SambaXP talks on it I did a while ago :-).
> I'll look at the code and your talks. Those are the kinds of pointers I
> Is there any reason to even consider the possibility of thinking about
> pondering the idea of toying with the concept of somehow using TDB (CTDB) to
> manage ACLs, or is that not a particularly rational approach?
I think TDBs would be problematic since with one permanent record for
each file, and say
a few billion files, the TDB would become huge. As in >>TB size huge.
You would also have the problem of single point of failure. That TDB
file goes bad, you now lost all ACLs for all your files.
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