Thanks a lot for the information, i also work for a IT support compagny, and the error is also for one of our customer , we already change all the hardware (Power Vault, SCSI card, cable, terminator), because with that customer we have another issue on the same server, the power vault drive go offline randomely since 1 years an half, we open a case at Dell but they can't fixed our problem, so if you have some information, i would realy appreciate.
Thanks and have a nice day!
Stef