It would be much more useful if you had pasted the whole zpool status update...
I'm guessing a disk is starting to fail, so you would have to replace it.
Removing stale files from /var/preserve:
Cleaning out old system announcements:
Backup passwd and group files:
Verifying group file syntax:
/etc/group is fine
Disk status:
Filesystem Size Used Avail Capacity Mounted on
/dev/ufs/FreeNASs2a 927M 331M 521M 39% /
devfs 1.0K 1.0K 0B 100% /dev
/dev/md0 4.6M 1.8M 2.4M 43% /etc
/dev/md1 824K 2.0K 756K 0% /mnt
/dev/md2 149M 7.9M 129M 6% /var
/dev/ufs/FreeNASs4 20M 746K 17M 4% /data
Hello 4.3T 56M 4.3T 0% /mnt/Hello
Hello/Bernard 5.0T 743G 4.3T 14% /mnt/Hello/Bernard
Hello/Chris 4.6T 320G 4.3T 7% /mnt/Hello/Chris
Hello/Frank 4.3T 149K 4.3T 0% /mnt/Hello/Frank
Hello/Guest 4.3T 149K 4.3T 0% /mnt/Hello/Guest
Hello/Jennifer 4.3T 155K 4.3T 0% /mnt/Hello/Jennifer
Last dump(s) done (Dump '>' file systems):
Checking status of zfs pools:
pool: Hello
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: none requested
config:
NAME STATE READ WRITE CKSUM
Hello ONLINE 0 0 0
raidz1 ONLINE 0 0 0
ada0p2 ONLINE 0 0 0
ada1p2 ONLINE 0 0 0
ada2p2 ONLINE 0 113K 2
errors: No known data errors
Checking status of ATA raid partitions:
Checking status of gmirror(8) devices:
Checking status of graid3(8) devices:
Checking status of gstripe(8) devices:
Network interface status:
Name Mtu Network Address Ipkts Ierrs Idrop Opkts Oerrs Coll
re0 1500 <Link#1> c8:60:00:e4:2c:d7 7750722 0 0 5935201 0 0
re0 1500 192.168.1.0 192.168.1.150 7679400 - - 5934751 - -
lo0 16384 <Link#2> 923 0 0 923 0 0
lo0 16384 fe80:2::1 fe80:2::1 0 - - 0 - -
lo0 16384 localhost ::1 0 - - 0 - -
lo0 16384 your-net localhost 895 - - 923 - -
Security check:
(output mailed separately)
Checking status of 3ware RAID controllers:
Alarms (most recent first):
No new alarms.
-- End of daily output --
Does this help? I hope not because the drives have not been in use for more than a month
