In storage show fault -v output, we can see the following error for DIMM on the NSM100 1 [NSM100 A] : OK 01,00,00,00 2 [NSM100 A] : OK 01,00,00,00 3 [NSM100 A] : OK 01,00,00,00 4 [NSM100 A] : UNKNOWN ...In storage show fault -v output, we can see the following error for DIMM on the NSM100 1 [NSM100 A] : OK 01,00,00,00 2 [NSM100 A] : OK 01,00,00,00 3 [NSM100 A] : OK 01,00,00,00 4 [NSM100 A] : UNKNOWN 06,00,00,00 Although both storage ports to this module are UP, the disks are not seen behind either path/node to this module: Serial Number: MT12345657890 <<<< Missing disks behind adapters Both connections misisng disks are to this module, which can be see in the device-discovery ASUP output: