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Xserve is the name of Apple's 1U rackmount line of server computers. When the Xserve was introduced in May 2002, it was Apple's first designated rack-mounted piece of server hardware.

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Why does the RAID reinitialize after restart?

I have a RAID 5 setup with 3, 1TB SATA hard drives on an XServe. Every time i restart the system, whether for updates or anything, it always detects "disorderly shutdown without battery backup" and reinitializes the RAID. The server still functions during this process, but i cant imagine its a good thing. Anyone have any ideas??

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I would suspect that the RAID battery (similar to CMOS battery only usually larger) which allows the configuration to be stored has died. I would look for the battery (sometimes they are primary lithium coin cells and sometimes rechargeable NiCd/NiMH) and determine if it needs replaced. Remove the battery and check it with a voltmeter. Anything under 3V for lithium and under 1.15V for NiCd/NiMH (per cell) is probably dead.

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