Software RAID

Stephen Fisher StephenTFisher at
Thu Apr 8 06:57:39 PDT 2004

On Thu, Apr 01, 2004 at 11:48:09AM -0700, Brandon Shiers wrote:

> Just got FreeBSD running on both my E250 and also my SunfireV120. I'm
> loving it. Much better than that Solaris stuff :)
> Quick question for folks on the mailing list:
> Are any of you running software RAID? I'd like to setup some RAID-1
> with hotspare drives on both my boxes. Is ccd or vinum better for
> this? For the folks using one or the other, what significant, if any
> system overhead/problems has using either of these pieces of software
> caused? TYIA!

I'm running Vinum (a replacement for the less functional CCD) on a Sun
Netra T1 105 to mirror my /usr and /var partitions between the two
drives w/ FreeBSD 5.2.1-REL.  It is working perfectly so far!  The only
problem I have run into is that the trick to boot off of a vinum root
partition on i386 does not work the same way with the sun disk label.  
So right now I have a normal root partition on each drive (using the
ssync program to mirror them every 5 minutes) and /var and /usr are 
Vinum mirrored.

Stephen Fisher
San Jose, CA USA
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