I think I already sent out this link that documents FreeBSD R5 performance:

I recently saw an article documenting similar benchmarks using geom and vinum in a Japanese FreeBSD magazine and the handbook section around vinum does warn about write performance of Raid 5. For lot's of applications though the Raid 5 low write performance is not an issue. (it's not an issue for me)

Were you able to get gvinum raid 5 working? Could you share that experience?

I'd really like to use gvinum or raid 5 with a 3 SATA drive, + 2IDE drive setup but so far I have not been able to get it to work. :-(


On May 12, 2006, at 6:35 AM, Robert Fitzpatrick wrote:

I have looked into and tried FreeBSD 6.0 Vinum and GEOM RAID in our PIII SCSI 80-pin server with the help of several here on the list. I'm pretty
much going to use GEOM RAID-1 for the system disks using Ralf's doc. I
have room for 3 more disks. Would you recommend using Vinum RAID-5 on
three 73GB drives or using GEOM RAID-1 again on 2 147GB drives?

If there is no big reason to use either over the other, we've decided to
go for the most space and RAID-5. But the amount of space we would be
gaining is probably less than 50GB, correct?

Or do you have another solution on our $700 budget. It is a debate here
and would like to get experienced insight.

Thanks in advance for your time!

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