Sincerest apologies! I thought i was putting sufficient output information 
without spamming my entire putty screens ;)

Well something else strange happened. Rewinding to the beginning, after i had 
things working fine and 180GB (~112k files) of data copied over, for fun (a few 
hours before all these errors started occurring, perhaps a catalyst?) i 
switched the cable-ordering in the back to test if things would work as 
advertised (this is just a test box before we put all our data on it so data 
isn't critical...yet). Upon boot-up i did a scrub which returned a perfectly 
normal, healthy status.

Original cable layout: c3d0, c3d1, c4d0, c4d1.
After cable switcheroo: c3d0, c4d0, c4d1, c3d1

I was about to pop out the drive, but lest i pull the wrong one, figured i 
would switch the order back to normal first, but check this out:

# zpool status -v
  pool: jade
 state: DEGRADED
status: One or more devices are faulted in response to persistent errors.
        Sufficient replicas exist for the pool to continue functioning in a
        degraded state.
action: Replace the faulted device, or use 'zpool clear' to mark the device
        repaired.
 scrub: resilver completed after 0h0m with 0 errors on Thu Mar 27 14:04:54 2008
config:

        NAME        STATE     READ WRITE CKSUM
        jade        DEGRADED     0     0     0
          raidz1    DEGRADED     0     0     0
            c3d0    ONLINE       0     0     0
            c4d0    ONLINE       0     0     0
            c4d0    FAULTED      0     0     0  too many errors
            c4d1    ONLINE       0     0     0

errors: No known data errors


So i have [i]TWO[/i] c4d0 drives?? Is this possible? Something is confused. I 
think i'm going to destroy this array completely and start from scratch. I've 
apparently fudged too many things and lost track of what is going on. I can try 
and re-create the error scenario and document my progress if it will help 
somebody (perhaps i've found a bug?). I still have all the files on the Windows 
box that caused all this weirdness in the first place.

btw if anyone wants to look at this in detail, i can provide putty access :)
 
 
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