Sun T1000 server RAID error

Hello All,

We have a Sun T1000 server with hardware RAID1 with
2 X 146 SAS disks. It was working without any issues
till yesterday. And now it is giving the following error
every few mins, when the server seems unresponsive/stuck.

Dec 21 00:23:14 MYHOST scsi: [ID 107833 kern.warning] WARNING:
/pci@7c0/pci@0/pci@8/scsi@2 (mpt0):
Dec 21 00:23:14 MYHOST Disconnected command timeout for Target 0

Interestingly, the following commands work fine every now
and then, so looks like the RAID disks and the controller
is fine.

# raidctl -l
Controller: 0
Volume:c0t0d0
Disk: 0.0.0
Disk: 0.1.0
# raidctl -S
0 "LSI_1064E"
c0t0d0 2 0.0.0 0.1.0 1 OPTIMAL
0.0.0 GOOD
0.1.0 GOOD

This is our e-mail server, so it is a critical/busy machine,
so cannot really reboot to try out things.

Any ideas? Thanks a lot in advance.

anu
Department of Astronomy Office: (626) 395-4006
California Institute of Technology vam@xxxxxxxxxxxxxxxxx
Pasadena, CA 91125
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