minimal install [was Re: systemd requires HTTP server and serves QR codes]

[Przemek Klosowski]

On 10/16/2012 01:39 PM, Peter Robinson wrote:
>>>> one may say "disk storage is nothing these days"
>>>> iw ould say: mulitply it with 20, 50, 100 virtual machines
>>>> on really expensive SAN-storage where "disk space is cheap"
>>>> is not true
>>>
>>> And I would say : get an entreprisey deduping san
>>
>> for production under load not really a good decision
>> even if, save ressources is always a good idea over
>> the long
>
> That depends. The process of actually de-duping is some what intensive
> depending on the process but if you clone off a template it's not and
> you get other advantages like improved use of cache and less I/O on
> the disk array so it's very dependent. I generally see more
> improvement than loss.

Moreover, I was under the impression that BTRFS is going to do de-duping 
internally and transparently, because it keeps block checksums anyway so 
detecting duplicate data comes cheap.