[geeks] Project Etude

[Patrick Giagnocavo]

On Sep 10, 2007, at 2:07 PM, Jonathan C. Patschke wrote:

> On Mon, 10 Sep 2007, Francois Dion wrote:
>
>>>> On Mon, Sep 10, 2007 at 12:42:38PM -0500, Jonathan C. Patschke  
>>>> wrote:
>>>>> However, since the system ID is cached in (true) kernel memory,  
>>>>> it's
>>>>> shared across zones.  In fact, nothing you can do in a zone is
>>>>> supposed to give you write access to it.
>>>>
>>>> You can't run the hostid hack within a zone?
>>>
>>> Nope, because it's cached in true kernel memory, which is not  
>>> writable
>>> from any but the global zone.
>>
>> One word: Dtrace
>
> That works for programs that call sysinfo, not programs that sift
> through kmem.
>
Would LDoms (T1000 can have up to 32 LDoms per system) fix this I  
wonder?

Cordially

Patrick Giagnocavo
patrick at zill.net