Hardware RAID or software for ZFS
Arthur Chance
freebsd at qeng-ho.org
Tue Nov 18 16:02:05 UTC 2014
On 18/11/2014 15:28, bsd at todoo.biz wrote:
> Hi,
>
>
> I would need your help in order to figure out which will be the best
> in order to setup a server which will be used as a Poudriere server.
>
> My question is related to the usage of hardware RAID controller (JBOD)
> or software based controller (graid)
>
> Server we are targeting is a SuperMicro 1018R-WC0R - 1U
>
> I used to build my server using an HBA such as LSI SAS 9207-8i or LSI
> SAS 9201-16i Then I’ll configure the HBA as JBOD so that disks can be
> presented correctly to the system so that we can build our ZFS FS on
> top of that.
>
>
> My sysadmin suggested me to get rid of the HBA and use direct
> connectivity and Graid.
>
>
> I would like to have some feedback on various aspects :
>
> 1. performance
> 2. usability
> 3. problem one might have encountered
If you're intending to use ZFS don't use JBOD or graid, just tell zpool
to create a pool out of individual disks using raidz (or raidz[23] if
you have enough disks).
As for your hardware choice, I'll let others with more experience than
me answer.
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