Le 13 janv. 09 à 21:49, Orvar Korvar a écrit : > Oh, thanx for your very informative answer. Ive added a link to your > information in this thread: > > But... Sorry, but I wrote wrong. I meant "I will not recommend > against HW raid + ZFS anymore" instead of "... recommend against HW > raid". > > The windows people's question is: > which is better? > 1. HW raid + ZFS > 2. ZFS >
It's not so much the HW raid which is helpful but the low latency writes to NVRAM that comes with it. And that is only helpful inasmuch as you don't compare to a solution with a separate intent log over SSD or an NVRAM based lun. > Ive told them that ZFS prefers to NOT have HW raid. But they ask me > why they shouldnt use ZFS + HW raid and why they should only use ZFS. > > They are using ZFS no matter what. The question is, is ZFS that > good, that HW raid can be omitted? Does HW raid + ZFS give any > gains, compared to only ZFS? > I think they will have to compare the pluses and minuses of the 2 architectures and decide for themselves where they rather want to be. -r > It seems that I have to recommend them to keep their HW raid when > they try out ZFS? Ive gotten them interested in ZFS, enough to try > it out. It was a lengthy discussion that took much time and patience. > -- > This message posted from opensolaris.org > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
