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How do I set up a JBOD device on Ubuntu using a SAS card

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I am running Ubuntu 20.04 LTS server. I have installed a SAS PCI card I purchased from Amazon.

The card is active and detected (lspci shows the device). I have installed the appropriate drivers from the manufacturer
I have a scsi cable connected from the card to my JBOD

I don't see any new devices showing up when I do lsblk or fdisk -l.
The JBOD has power and all the disks appear to be running. I've tried reading the user guide for the JBOD and the SAS card, and neither actually says what to do next. Based on the information I can find, I expected to see the new disks listed somewhere, but I see nothing.

Any suggestions or guidance would be greatly appreciated.

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