[Freeipa-devel] DESIGN: Recover DNA Ranges

[Rob Crittenden]

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.

rob