Introduction
Overview
This guide demonstrates how to replace a fan control board in an Open Vault storage system. == Acronyms and Terms == * HDD - Hard Disk Drive * Mini-SAS - Mini Serial Attached SCSI * SCSI - Small Computer System Interface === Additional Notes === It is not absolutely necessary to remove trays from the Open Vault chassis to replace the Powerblade cable. This section of the replacement guide may be treated as a preference.
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The server can be powered off remotely or on the hardware itself.
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Remote Power Down: Login to the server to power it off.
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shutdown -h now;exit
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Hardware Power Down: Press and hold the power switch for at least three seconds, as annotated.
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Disconnect the Mini-SAS cable from the storage tray.
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Use the pull-tab to disconnect the cable, as shown.
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Locate the two tray release levers.
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These release levers secure the tray to the storage chassis.
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Press both tray release levers upwards.
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Pushing the tray release handles inwards may assist in actuating the tray release levers.
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Pull the two release handles that snap outward.
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Slide the tray forward until fifteen hard disk drives can be seen.
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Press the two Powerblade cable retention tabs.
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Pull the cable towards the rear until it unseats from its connector.
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Open fifteen hard disk drive cages.
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Press the green retention tab on the hard disk drive cage.
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Rotate the cage to access the hard disk drive.
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Push each hard disk drive away from the pivot point of each gate.
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This will unseat the drives from their SATA and power connectors.
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Remove each hard disk drive.
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Place the hard disk drives on a work bench or cart.
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It may be beneficial to rest the hard disk drives on an static-free mat to minimize risk of damaging the drives.
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Because the drives will be reinstalled in the tray, it is beneficial to place them in a logical order to hasten their reinstall.
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Press down two storage tray locking tabs.
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The storage tray locking tabs are located towards the left-rear and right-rear of the tray.
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Pull the tray away from the Open Rack.
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If depressing the tray locking tabs do not release the tray, push the tray into the chassis about 10cm. Extend the tray again until its about 5cm from its full extension. Press the locking tabs downwards and pull the tray.
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Remove the six chassis fans.
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Unscrew the thumbscrew on each of the fans.
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Grasp the fan handle and slide it to the rear. Lift the fan upwards.
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Unscrew one Phillips #2 screw securing the bus lead management clip to the fan controller board.
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Unscrew four Phillips #2 screws that secure the bus bar leads to the fan controller board.
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Pinch the two retention tabs on the Powerblade cable, as shown.
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Disconnect the Powerblade cable.
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Align the chassis fan socket headers into the six chassis cutouts.
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Place the new fan control board on the Open Vault chassis standoffs. Push the board to the rear.
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Align the chassis standoffs with the fan control board screw holes.
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Insert a new bar clip into the chassis.
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It is important to ensure that positive and negative lead polarity is oriented as indicated by the markings on the chassis, as annotated. Power polarity is indicated as follows:
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PWR: (+)
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GND: (-)
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