I have a DELL PowerEdge R520. On boot, just after loading the RAID Controller, I get a weird message: "Upgrade Key Missing! An upgrade key was present on a previous power cycle, but it is not connected. This can result in inaccessible data unless it is addressed. Please re-attach the upgrade key and reboot."
Of course, I don't know anything about any "upgrade key", or even what it is.
A google search has thrown three documents: one from IBM and two from Hitachi, all of them in japanese: http://itdoc.hitachi.co.jp/manuals/bds/5030019/bs2000_users_guide25.pdf http://itdoc.hitachi.co.jp/manuals/ha8000/hard/xm/2_operation/r44bm01200/r44bm01200-1.pdf http://www-06.ibm.com/jp/servers/eserver/xseries/manual/2012/1205/49Y9855.pdf
They seem to be about some raid controller, but that's all I could discover.
Does anyone have any clue about what is the problem, and how to fix it, or can translate the entries in the document?
Edit: The RAID controller is a "PERC-H310 Mini", manufactured by LSI (I think).