I'm new to this group, so hello everyone! I am having some issues with my 
Nexenta system I set up about two months ago as a zfs/zraid server. I have two 
new Maxtor 500GB Sata drives and an Adaptec controller which I believe has a 
Silicon Image chipset. Also I have a Seasonic 80+ power supply, so the power 
should be as clean as you can get. I had an issue with Nexenta where I had to 
reinstall, and since then everytime I reboot I have to type

zpool export amber
zpool import amber

to get my zfs volume mounted. A week ago I noticed a couple of CKSUM errors 
when I did a zpool status, so I did a zpool scrub. This is the output after:

# zpool status
  pool: amber
 state: ONLINE
status: One or more devices has experienced an unrecoverable error.  An
        attempt was made to correct the error.  Applications are unaffected.
action: Determine if the device needs to be replaced, and clear the errors
        using 'zpool clear' or replace the device with 'zpool replace'.
   see: http://www.sun.com/msg/ZFS-8000-9P
 scrub: scrub completed with 0 errors on Mon Nov 13 04:49:35 2006
config:

        NAME        STATE     READ WRITE CKSUM
        amber       ONLINE       0     0     0
          raidz1    ONLINE       0     0     0
            c4d0    ONLINE       0     0    51
            c5d0    ONLINE       0     0    41

errors: No known data errors


I have md5sums on a lot of the files and it looks like maybe 5% of my files are 
corrupted. Does anyone have any ideas? I was under the impression that zfs was 
pretty reliable but I guess with any software it needs time to get the bugs 
ironed out.

Michael
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