ESXi 4.0 U1 and DS3500 (SAS), doesn't show multipathing

Had this at a customer site. Basicaly creating a claimrule for the ds3500. Basic summary:
esxcli nmp satp addrule -s VMW_SATP_LSI -V IBM -M "^1746*" -e "IBM DS3500"

You need to reboot to use the claim rules or just force it on a disk via
esxcli corestorage claiming reclaim -d

Full article at
http://www-01.ibm.com/support/docview.wss?uid=isg3T1012434