[Freeipa-users] Disk layout - requirements

[Sigbjorn Lie]

On 05/06/2011 04:12 PM, Rob Crittenden wrote:
> Steven Jones wrote:
>>
>> Hi,
>>
>> Digging through docs / googling I cant see any disk partition 
>> suggestions and size thereof requirements...
>>
>> Suggestions please?  sizing for 500 servers, 2000 desktops, 5000+ 
>> users...
>>
>> Especially around having different sections of the IPA master of 
>> different raid groups if that's needed...
>
> It depends in part how you use IPA. A bare-bones user entry is about 
> 1k, a host that has a certificate is about the same. There is some 
> amount of overhead in the DIT and you'll need to consider the space 
> for groups, how many kerberos services you'll deploy (also about 1k in 
> size) and what other features of IPA you'll use. We have quite a few 
> indexes into the data, that will take some room too.
>
> I think additional RAM will be better than terabytes of disk. 389-ds 
> is going to try to cache much of this data, and with this number of 
> entries it can probably keep most if not all of the database in memory.
>
> We haven't done any analysis on different FS performance.
>
> Does that help?
>
> rob 

Would you consider these documents describing sizing and performance 
tuning of the RH DS to be comparable/transferable to IPA?


http://docs.redhat.com/docs/en-US/Red_Hat_Directory_Server/8.2/html/Installation_Guide/Installation_Guide-Platform_Support.html#Installation_Guide-Platform_Support-Hardware_Requirements

http://docs.redhat.com/docs/en-US/Red_Hat_Directory_Server/8.2/html/Performance_Tuning_Guide/system-tuning.html


Rgds,
Siggi