Re: New setup: partitions or raw devices

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Hi Gandalf,

On 11/29/2017 11:44 AM, Reindl Harald wrote:

> Am 29.11.2017 um 17:22 schrieb Gandalf Corvotempesta:
>> Hi to all
>> I have to setup some new servers, which is the best practise, currently?
>> Should I use raw devices or partitions ? (one huge partition for
>> mdadm, and then
>> LVM on top of it)
>>
>> Any advantage/drawbacks for both configurations?
> 
> i would make partitions for 2 reasons:
> 
> * leave some space free in case a replacement disk has
>   a slighty different usebale size - some SSD's do
>   this instead overprovisioning for wear leveling
> 
> * whenever you decide you replace it against SSD's
>   free space will enhance the overall lifetime

These are good reasons.  I have also seen reports of NAS devices/distros
unconditionally partitioning devices that don't have one.  Although I
have in the past used raw devices with mdadm, I don't plan to do so with
any future systems.

Phil
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