[Freeipa-devel] DESIGN: Recover DNA Ranges

[Rich Megginson]

On 02/25/2013 09:23 AM, Rob Crittenden wrote:
> Rich Megginson wrote:
>> On 02/25/2013 06:09 AM, Martin Kosek wrote:
>>> On 02/25/2013 01:44 PM, Petr Viktorin wrote:
>>>> On 02/22/2013 09:19 PM, Rob Crittenden wrote:
>>>>> Design to allow one to recover DNA ranges when deleting a replica or
>>>>> just for normal range management.
>>>>>
>>>>> http://freeipa.org/page/V3/Recover_DNA_Ranges
>>>>>
>>>>> Supporting ticket https://fedorahosted.org/freeipa/ticket/3321
>>>>>
>>>>> rob
>>>> I wonder if it would be possible to have more on-deck ranges. Could
>>>> dnaNextRange be multi-valued, and when the low-water mark is hit the
>>>> plugin
>>>> would pick one of them?
>>>>
>>> Not at the moment, this is a single valued attribute type:
>>>
>>> attributetypes: ( 2.16.840.1.113730.3.1.2129 NAME 'dnaNextRange' DESC
>>> 'DNA ran
>>>   ge of values to get from replica' SYNTAX
>>> 1.3.6.1.4.1.1466.115.121.1.15 SINGLE
>>>   -VALUE X-ORIGIN '389 Directory Server' )
>>>
>>> But it is a good question for 389-ds guys, it would be a good
>>> extension to the
>>> DNA plugin and would prevent us from not-loosing the range when there
>>> is no
>>> master with empty dnaNextRange. But maybe there is a strong reason why
>>> this was
>>> made single value...
>>
>> If you make it multi-valued, then you probably want to have some sort of
>> ordering to the values . . .
>
> I don't know. We don't have a whole lot of control of ordering when 
> DNA gets a range, so I think that holes in the range happen now, so I 
> wouldn't have a problem with lack of control.

Ok.  Please file an RFE ticket.  There are some code changes that we 
will need to make to DNA to make next range take multiple values.

>
> rob
>