Hello Jakob,
this is the wrong forum because it's about Sun Hardware and only user-to-user.
I would suggest that
you use your service-plan and contact Sun
or
join the Solarisx86 group on Yahoo, browse the previous posts and then re-post on this maillist.
Please check the Links page before posting:
http://groups.yahoo.com/group/solarisx86/links
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Btw. even the RAID functionality of the integrated RAID controller of Sun x64 systems isn't supported under Solaris 10 (only RHEL) ...
Michael