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A server I support startet beeping. One of the RAID-1 disks had an error. I replaced the disk and rebuilt the array, but the server won't stop beeping and one of the drive enclosures is blinking. I tried to reboot and swaped the drive enclosures.

The RAID is working fine and I don't see any errors in the 3dm2 web interface or somewhere else.

Does anyone know how to stop that beeping and blinking?

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up vote 0 down vote accepted

I found the solution. It wasn't a problem with the RAID controller. The hard drive enclosure has an integrated fan and if the fan fails, it signals with beeping.

After changing the enclosure everything was fine.

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