How to Replace a RAID Controller Without Losing Data

Making a RAID array has multiple drives connected into a single drive and controlled by a RAID controller. With built-in redundancy, losing a drive will not lead to data loss in most RAID configurations. The loss of a RAID controller, however, leaves the drives inaccessible until you are able to install a replacement controller. Different controllers use different installation instructions for RAID arrays, which means the replacement controller must be the same make and model as the old controller or a newer model that supports it. Once a suitable replacement card is found, you’ll be able to replace the old one quickly. After successful replacement, you can access your RAID array without any data loss, continuing with its normal use. things you need

Masking tape
RAID slot controller card with CD
Show setup More instructions
1
Turn off your computer and disconnect your spinal power.
two

Open the box by removing the box lid. Remove the screws holding the cover in place and then slide the back cover from the front case panel and lift it up. Locate the RAID controller card in the expansion slots on the back of the motherboard.
3

Disconnect the RAID disks from the controller board. Remove the data cables from the controller card and attach a piece of tape to each data cable, marking each one according to the data port on which it was located.
4

Remove the screw holding the controller board in place. Pull the card out of the motherboard. Align the notch on the bottom of the replacement board with the notch on the expansion slot. Push the card into the slot and secure it with the case with the screw removed from the old card.
5

Connect drive cables to the RAID card in the same order removed, matching the number of each cable drive with the drive slot marked. Remove any adhesive tape.
6

Replace the case cover, securing it with the case screws. Reconnect the power cord to the power source.
7

Turn on the computer and let it load the operating system. If the replacement card is the same make and model, the RAID drive should boot up. If the card differs but is compatible with the older RAID card, run the installation software for the card, located on the CD-ROM that came with the card to configure the new card to use the existing RAID drive.

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