Robert,
I think I already sent out this link that documents FreeBSD R5
performance:
http://www25.big.or.jp/~jam/filesystem/
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. :-(
IJ
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!
--
Robert
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