Date: Tue, 18 Nov 2014 16:01:54 +0000 From: Arthur Chance <freebsd@qeng-ho.org> To: "bsd@todoo.biz" <bsd@todoo.biz>, Liste FreeBSD <freebsd-questions@freebsd.org> Subject: Re: Hardware RAID or software for ZFS Message-ID: <546B6D72.3060105@qeng-ho.org> In-Reply-To: <7F1B1DC4-46CA-4B96-836B-2D2D494F60E8@todoo.biz> References: <7F1B1DC4-46CA-4B96-836B-2D2D494F60E8@todoo.biz>
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On 18/11/2014 15:28, bsd@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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